WALTER INDUSTRIES INC /NEW/
POS AM, 1998-01-16
GENERAL BLDG CONTRACTORS - RESIDENTIAL BLDGS
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<PAGE>
   
    AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JANUARY 16, 1998
    
 
                                                       REGISTRATION NO. 33-59013
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                            ------------------------
 
   
                       POST-EFFECTIVE AMENDMENT NO. 7 TO
                              FORM S-1 ON FORM S-3
                             REGISTRATION STATEMENT
                                     UNDER
                           THE SECURITIES ACT OF 1933
    
                            ------------------------
 
                            WALTER INDUSTRIES, INC.
               (Exact name of registrant as specified in charter)
 
                                    DELAWARE
                        (State or other jurisdiction of
                         incorporation or organization)
 
                                      6711
                          (Primary Standard Industrial
                          Classification Code Number)
 
                                   13-3429953
                                 (IRS Employer
                             Identification Number)
 
                         ------------------------------
 
                         1500 NORTH DALE MABRY HIGHWAY
                                TAMPA, FL 33607
                                 (813) 871-4811
  (Address, including zip code, and telephone number, including area code, of
                   registrant's principal executive offices)
                         ------------------------------
 
                             EDWARD A. PORTER, ESQ.
                 VICE PRESIDENT, GENERAL COUNSEL AND SECRETARY
                            WALTER INDUSTRIES, INC.
                         1500 NORTH DALE MABRY HIGHWAY
                                TAMPA, FL 33607
                                 (813) 871-4811
 (Name, address, including zip code, and telephone number, including area code,
                             of agent for service)
                         ------------------------------
 
         COPY OF ALL COMMUNICATIONS, INCLUDING SERVICE OF PROCESS, TO:
 
         PETER J. GORDON, ESQ.                   MARK S. BERGMAN, ESQ.
       SIMPSON THACHER & BARTLETT       PAUL, WEISS, RIFKIND, WHARTON & GARRISON
          425 LEXINGTON AVENUE                1285 AVENUE OF THE AMERICAS
        NEW YORK, NY 10017-3909                 NEW YORK, NY 10019-6064
 
                            ------------------------
 
        APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC:
   From time to time after the effective date of this Registration Statement.
 
    If the only securities being registered on this Form are being offered
pursuant to dividend or interest reinvestment plans, please check the following
box. / /
 
    If any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, other than securities offered only in connection with dividend or interest
reinvestment plans, please check the following box. /X/
 
    If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list the Securities Act registration statement number of the earlier
effective registration statement for the same offering. / / ____________________
 
    If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering. / / ____________________
 
    If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box. / /
 
                         ------------------------------
 
    THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS REGISTRATION
STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(A) OF
THE SECURITIES ACT OF 1933 OR UNTIL THE REGISTRATION STATEMENT SHALL BECOME
EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO SAID SECTION 8(A),
MAY DETERMINE.
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>
                                EXPLANATORY NOTE
 
    This Registration Statement contains a Prospectus relating to the offering
from time to time of 29,270,227 shares of Common Stock and a Prospectus
Supplement relating to the offering of 12,000,000 of such shares (plus an
additional 1,800,000 shares to cover over-allotments). The Prospectus Supplement
includes alternate front and back cover pages for use in domestic and
international offerings.
<PAGE>
   
INFORMATION CONTAINED IN THIS PROSPECTUS SUPPLEMENT AND THE ACCOMPANYING
PROSPECTUS IS SUBJECT TO COMPLETION OR AMENDMENT. A REGISTRATION STATEMENT
RELATING TO THESE SECURITIES HAS BEEN FILED WITH THE SECURITIES AND EXCHANGE
COMMISSION PURSUANT TO RULE 415 UNDER THE SECURITIES ACT OF 1933. A FINAL
PROSPECTUS SUPPLEMENT AND PROSPECTUS WILL BE DELIVERED TO PURCHASERS OF THESE
SECURITIES. THIS PROSPECTUS SUPPLEMENT AND THE PROSPECTUS SHALL NOT CONSTITUTE
AN OFFER TO SELL OR THE SOLICITATION OF AN OFFER TO BUY NOR SHALL THERE BE ANY
SALE OF THESE SECURITIES IN ANY STATE IN WHICH SUCH OFFER, SOLICITATION OR SALE
WOULD BE UNLAWFUL PRIOR TO REGISTRATION OR QUALIFICATION UNDER THE SECURITIES
LAWS OF ANY SUCH STATE.
    
<PAGE>
   
                 SUBJECT TO COMPLETION, DATED JANUARY 16, 1998
    
 
PROSPECTUS SUPPLEMENT
(TO PROSPECTUS DATED                , 1998)
 
                               12,000,000 SHARES
 
                                     [LOGO]
                                  COMMON STOCK
                                ----------------
 
    This Prospectus Supplement relates to up to 12,000,000 shares (13,800,000
shares if the over-allotment option described below is exercised in full) (the
"Shares") of common stock, par value $.01 per share (the "Common Stock"), of
Walter Industries, Inc. (the "Company" or "Walter Industries"), a Delaware
corporation formerly named Hillsborough Holdings Corporation, beneficially owned
by the Asbestos Settlement Trust (the "Settlement Trust") and Lehman Brothers
Holdings Inc., an affiliate of Lehman Brothers Inc., one of the underwriters
listed below ("Lehman Brothers Holdings" and, together with the Settlement
Trust, the "Selling Stockholders"). The Company will not receive any of the
proceeds from the sale of the shares offered hereby.
 
    Of the 12,000,000 shares being offered hereby, 10,000,000 shares are being
offered in the United States and Canada (the "U.S. Offering") by the U.S.
Underwriters (as defined herein) and 2,000,000 shares are being offered
concurrently outside the United States and Canada (the "International Offering"
and, together with the U.S. Offering, the "Offering") by the International
Managers (as defined herein and, together with the U.S. Underwriters, the
"Underwriters"). The offering price and underwriting discounts and commissions
per share in the U.S. Offering and the International Offering are identical. See
"Underwriting."
                            ------------------------
 
    SEE "CERTAIN RISK FACTORS" COMMENCING ON PAGE 8 OF THE ACCOMPANYING
PROSPECTUS FOR INFORMATION CONCERNING CERTAIN RISKS ASSOCIATED WITH AN
INVESTMENT IN ANY OF THE SHARES.
 
   
    The Company's Common Stock is listed on the The New York Stock Exchange,
Inc. (the "NYSE") under the symbol "WLT." The Company's Common Stock was
previously quoted on the Nasdaq National Market under the symbol "WLTR." On
January 14, 1998, the last reported sale price of the Common Stock on the NYSE
was $20 1/8 per share.
    
                            ------------------------
 
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
   EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
     SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION
        PASSED UPON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS
           SUPPLEMENT OR THE PROSPECTUS. ANY REPRESENTATION TO THE
                              CONTRARY IS A CRIMINAL OFFENSE.
 
<TABLE>
<CAPTION>
                                                                                  UNDERWRITING        PROCEEDS TO
                                                                PRICE TO         DISCOUNTS AND          SELLING
                                                                 PUBLIC          COMMISSIONS(1)     STOCKHOLDERS(2)
<S>                                                        <C>                 <C>                 <C>
Per Share................................................          $                   $                   $
Total(3).................................................  $                   $                   $
</TABLE>
 
(1) The Selling Stockholders and the Company have agreed to indemnify the U.S.
    Underwriters and the International Managers against certain liabilities,
    including liabilities under the Securities Act of 1933, as amended.
(2) The Company will pay all fees and expenses related to the Offering,
    estimated at $     .
(3) The Settlement Trust has granted the U.S. Underwriters and the International
    Managers a 30-day option to purchase up to an additional 1,800,000 shares of
    Common Stock on the same terms and conditions as set forth above solely to
    cover over-allotments, if any. If the option is exercised in full, the total
    Price to Public, Underwriting Discounts and Commissions and Proceeds to the
    Selling Stockholders, will be $        , $        and $        ,
    respectively. See "Underwriting."
                         ------------------------------
 
    The Shares offered by this Prospectus Supplement are offered by the U.S.
Underwriters subject to prior sale, to withdrawal, cancellation or modification
of the offer without notice, to delivery to and to acceptance by the U.S.
Underwriters and to certain further conditions. It is expected that delivery of
certificates for the Shares will be made at the offices of Lehman Brothers Inc.
in New York, New York, on or about            , 1998.
                            ------------------------
 
                               JOINT BOOKRUNNERS
 
LEHMAN BROTHERS                                     DONALDSON, LUFKIN & JENRETTE
                                                                     SECURITIES
CORPORATION
 
         MERRILL LYNCH& CO.
                          SALOMON SMITH BARNEY
                                ARNHOLD AND S. BLEICHROEDER, INC.
 
           , 1998
<PAGE>
   [Inside Front and Inside Back Cover Artwork: Photographs of the Company's
                            facilities and products]
 
    NO PERSON IS AUTHORIZED IN CONNECTION WITH ANY OFFERING MADE HEREBY TO GIVE
ANY INFORMATION OR TO MAKE ANY REPRESENTATION OTHER THAN AS CONTAINED IN THIS
PROSPECTUS SUPPLEMENT AND THE ACCOMPANYING PROSPECTUS AND, IF GIVEN OR MADE,
SUCH INFORMATION OR REPRESENTATION MUST NOT BE RELIED UPON AS HAVING BEEN
AUTHORIZED BY THE COMPANY OR BY ANY UNDERWRITER. THIS PROSPECTUS SUPPLEMENT AND
THE ACCOMPANYING PROSPECTUS DO NOT CONSTITUTE AN OFFER TO SELL OR A SOLICITATION
OF AN OFFER TO BUY ANY SECURITY OTHER THAN THE SHARES OFFERED HEREBY, NOR DO
THEY CONSTITUTE AN OFFER TO SELL, OR A SOLICITATION OF AN OFFER TO BUY, ANY OF
THE SECURITIES OFFERED HEREBY TO ANY PERSON IN ANY JURISDICTION IN WHICH IT IS
UNLAWFUL TO MAKE SUCH AN OFFER OR SOLICITATION TO SUCH PERSON.
 
    CERTAIN PERSONS PARTICIPATING IN THIS OFFERING MAY ENGAGE IN TRANSACTIONS
THAT STABILIZE, MAINTAIN, OR OTHERWISE AFFECT THE PRICE OF THE COMMON STOCK.
SUCH TRANSACTIONS MAY INCLUDE THE PURCHASE OF SHARES OF COMMON STOCK PRIOR TO
THE PRICING OF THE OFFERING FOR THE PURPOSE OF MAINTAINING THE PRICE OF THE
COMMON STOCK AND THE PURCHASE OF COMMON STOCK FOLLOWING THE PRICING OF THE
OFFERING TO COVER A SYNDICATE SHORT POSITION IN THE COMMON STOCK FOR THE PURPOSE
OF MAINTAINING THE PRICE OF THE COMMON STOCK. FOR A DESCRIPTION OF THESE
ACTIVITIES, SEE "UNDERWRITING."
 
                                      S-2
<PAGE>
                                    SUMMARY
 
    THE FOLLOWING SUMMARY IS QUALIFIED IN ITS ENTIRETY BY, AND SHOULD BE READ IN
CONJUNCTION WITH, THE MORE DETAILED INFORMATION (INCLUDING FINANCIAL
INFORMATION) INCLUDED ELSEWHERE IN THIS PROSPECTUS SUPPLEMENT, IN THE
ACCOMPANYING PROSPECTUS, OR INCORPORATED BY REFERENCE THEREIN. UNLESS OTHERWISE
SPECIFIED OR THE CONTEXT OTHERWISE REQUIRES, REFERENCES TO THE "COMPANY" OR
"WALTER INDUSTRIES" MEAN WALTER INDUSTRIES, INC. AND ITS SUBSIDIARIES. THE
COMPANY'S FISCAL YEAR ENDS ON MAY 31 OF EACH CALENDAR YEAR. REFERENCES TO
"FISCAL 1996," "FISCAL 1997" AND "FISCAL 1998" RELATE TO THE FISCAL YEAR ENDING
MAY 31, 1996, MAY 31, 1997 AND MAY 31, 1998, RESPECTIVELY. REFERENCES TO PRO
FORMA FINANCIAL INFORMATION GIVE PRO FORMA EFFECT TO THE COMPANY'S ACQUISITION
OF APPLIED INDUSTRIAL MATERIALS CORPORATION ON OCTOBER 15, 1997 AS IF SUCH
ACQUISITION OCCURRED AT THE BEGINNING OF THE PERIOD DISCUSSED (IN THE CASE OF
STATEMENT OF OPERATIONS DATA) OR AS OF THE DATE DISCUSSED (IN THE CASE OF
BALANCE SHEET DATA).
 
                                  THE COMPANY
 
    Walter Industries is a diversified holding company with five operating
groups: Homebuilding and Financing, Energy Services, Water Transmission
Products, Natural Resources and Industrial Products. The Company's strategy is
to focus on businesses that have strong competitive positions based on highly
specialized operations and which provide a balanced, complementary mix of
revenues and profits. The Company's operating groups are outlined in the
following table and further described below.
 
<TABLE>
<CAPTION>
                                                                                                    PERCENT OF FISCAL
                                                                                                     1997 PRO FORMA
GROUP                                PRINCIPAL SUBSIDIARIES                 DESCRIPTION                  REVENUE
- -------------------------------  -------------------------------  -------------------------------  -------------------
<S>                              <C>                              <C>                              <C>
Homebuilding and Financing       Jim Walter Homes, Inc.           Residential homebuilding                     23%
                                 Mid-State Homes, Inc.            Mortgage servicing
 
Energy Services                  Applied Industrial Materials     Industrial carbon products,                  23%
                                   Corporation                    related services and metals
 
Water Transmission Products      United States Pipe and Foundry   Ductile iron pressure pipe and               21%
                                   Company, Inc.                  industrial castings
 
Natural Resources                Jim Walter Resources, Inc.       Coal mining and degasification               18%
 
Industrial Products              JW Aluminum Company              Aluminum foil and sheet                      15%
 
                                 Sloss Industries Corporation     Furnace and foundry coke, slag
                                                                  wool and specialty chemicals
</TABLE>
 
HOMEBUILDING AND FINANCING
 
    BUSINESS.  The Homebuilding and Financing Group, which accounted for 23% of
the Company's fiscal 1997 pro forma revenues and 49% of its fiscal 1997 pro
forma group operating income, is engaged primarily in homebuilding and related
financing activities. Jim Walter Homes, Inc. ("Jim Walter Homes") markets and
supervises the construction of detached, single-family residential homes and
(together with its predecessor) has completed over 325,000 homes since its
inception in 1946. Jim Walter Homes targets customers seeking to build low to
moderately priced homes, offering an affordable, conventionally built home on
the customer's own lot, with fixed rate financing and no closing costs.
Currently, 96% of homebuilding customers take advantage of Jim Walter Homes'
mortgage financing.
 
    All of the mortgages originated by Jim Walter Homes are sold to Mid-State
Homes, Inc. ("Mid-State Homes"), which was established in 1958 to purchase
mortgage instalment notes on homes constructed and sold by Jim Walter Homes and
to service such mortgages. After seasoning, substantially all such mortgages are
securitized through collateralized mortgage obligations. Homes purchased with
credit arranged by Jim Walter Homes must be constructed on land owned free and
clear by the purchaser and are secured through a first mortgage or deed of trust
with a lien on both the land and the home to be built. The land value must equal
at least 10% of the home's purchase price. Mid-State Homes currently services
approximately 71,000 mortgages with a gross value of $4.27 billion. The
aggregate amount of instalment notes receivable having
 
                                      S-3
<PAGE>
at least one payment 90 days or more delinquent was only 2.94% as of November
30, 1997. This captive financing portfolio provides the Company with a steady
revenue stream.
 
    COMPETITIVE STRENGTHS.  For the year ended December 31, 1996, Jim Walter
Homes was the nation's leading builder of "on-your-lot" detached single-family
homes, and the eleventh largest builder of single-family detached housing. Jim
Walter Homes' strategy is to compete in a specific segment of the housing market
by offering customers quality traditionally-built homes at affordable prices
with favorable financing and no closing costs. Jim Walter Homes builds homes in
24 states and concentrates its activities in the southern United States where
weather permits year-round construction. Jim Walter Homes currently operates 114
branch offices, substantially all of which include model home display parks, and
plans to open several new model home parks in new markets in 1998. Jim Walter
Homes does not engage in any speculative building or land development, hold
inventories of unsold homes, or undertake construction without a firm contract.
 
    GROWTH OPPORTUNITIES.  Jim Walter Homes intends to achieve growth through
internally driven geographic expansion (in states such as Nevada, Colorado,
Kansas and Pennsylvania) and strategic acquisitions of other homebuilders that
enable the Company to (i) penetrate new geographic markets, (ii) further develop
existing markets and (iii) broaden its product line. In June 1997, the Company
increased its operations in Texas through the acquisition of Neatherlin Homes,
Inc. This acquisition also expanded the Company's product line to include larger
homes with more amenities.
 
ENERGY SERVICES
 
    BUSINESS.  Applied Industrial Materials Corporation ("AIMCOR") is a leading
international provider of products and outsourcing services to both the
petroleum industry and to the steel, foundry and aluminum industries through its
Carbon Products Division, and is also a leading supplier of ferrosilicon in the
southeastern United States through its Metals Division. AIMCOR accounted for 23%
of the Company's fiscal 1997 pro forma revenues and 14% of its fiscal 1997 pro
forma group operating income.
 
    CARBON PRODUCTS DIVISION.
 
    The Carbon Products Division removes petroleum coke (or "petcoke"), a
by-product of the oil refining process, from refineries and provides value-added
services, such as cutting, stockpiling, handling, distribution, terminal
services and shipping for these materials. These bulk raw materials are handled,
blended, processed, manufactured, warehoused and delivered to industrial markets
throughout the world from a variety of global sources as discrete products and
services targeted to meet individual customer needs. Petcoke is used in
industrial furnaces, cement kilns, steel plants, foundries, paper mills,
cogeneration plants and home heating. Calcined coke is low sulfur petcoke which
has been further processed to remove gases and moisture, and is used as the
primary material (for which there is no economic substitute) in anodes for the
smelting of aluminum. The Carbon Products Division conducts its activities
through 14 offices, seven terminals and 12 major inventory sites worldwide.
 
    METALS DIVISION.
 
    The Metals Division is comprised of four distinct but related businesses
which manufacture and market ferrosilicon, ferrovanadium, ferromolybdenum,
metallurgical process materials, fluorspar and various other ferroalloys on both
an agency and trading basis.
 
    Historically, over 90% of domestic consumption in ferrosilicon has gone
directly to the production of steel and cast iron and, as a result, the industry
is largely affected by the relative strength of the domestic steel industry and
its end-markets. A number of fundamental structural changes have occurred in the
ferrosilicon market limiting available supply and the Company believes that
because of these changes the outlook for the ferrosilicon market is favorable.
 
                                      S-4
<PAGE>
    The production of raw steel typically accounts for approximately 85% of
global ferrovanadium consumption and, as such, the demand for ferrovanadium
follows closely the demand for tool steel and other high strength, low alloy
steel. Due to the favorable consumption and production outlook for these steels,
the Company believes the future for the ferrovanadium market is also positive.
 
    COMPETITIVE STRENGTHS.  The Company believes that AIMCOR controls more than
25% of the world's petcoke market, 60% of the United States West Coast low
sulfur petcoke supply and 36% of the total United States export petcoke market,
shipping approximately 7 million tons of petcoke annually. Barriers to entry in
the petcoke products and services industry are significant. AIMCOR's market
presence and significant long-term contracts provide a strong competitive
advantage.
 
    The Company's value-added approach has distinguished it as a leader in
businesses that many competitors treat in a commodity-like manner. AIMCOR has
marketed petcoke products for over thirty years. It maintains strong
relationships with all major United States oil refiners and has an in-depth
knowledge of the end-user markets.
 
    GROWTH OPPORTUNITIES.  AIMCOR intends to pursue growth through geographic
expansion of its terminals and services business, increased supply volumes from
new refinery installations and targeted acquisitions. The Company also expects
to grow through expansion of its products and services to include products such
as ammonium sulfite, fertilizers and other "white products." Increased sales of
calcined coke are expected to come from increasing the volume commitments of
current suppliers and an investment in Rain Calcining Ltd., a combination
petcoke calciner and power plant in India.
 
WATER TRANSMISSION PRODUCTS
 
    BUSINESS.  United States Pipe and Foundry Company, Inc. ("U.S. Pipe"), which
accounted for 21% of the Company's fiscal 1997 pro forma revenues and 8% of its
fiscal 1997 pro forma group operating income, is one of the largest domestic
manufacturers of ductile iron pressure pipe and fittings. U.S. Pipe manufactures
and sells a complete line of ductile iron pressure pipe (ranging from 4 inches
to 64 inches in diameter, at lengths up to 20 feet), pipe fittings, valves and
hydrants. U.S. Pipe operates six manufacturing plants and is organized in two
operating divisions, the Pressure Pipe Division and the Castings Division.
Approximately 70-75% of the ductile iron pressure pipe produced by U.S. Pipe is
used in the transmission and distribution of potable water and the remaining
25-30% is used in the transmission of waste water or for industrial
applications. U.S. Pipe has 36 regional sales offices in leased office space in
the United States.
 
    COMPETITIVE STRENGTHS.  U.S. Pipe offers the broadest range of ductile iron
pressure pipe and related products and is a leader in restrained joint
technology with numerous patents for its proprietary pipe fittings, valve and
hydrant products. U.S. Pipe sells its products to contractors, water works
distributors, municipalities and private utilities through 36 offices, offering
broad market coverage throughout the United States. In addition, U.S. Pipe's
plants are located close to important markets, which reduces freight costs and
makes U.S. Pipe's products more competitive.
 
    GROWTH OPPORTUNITIES.  New management initiatives and improvements in
manufacturing processes represent opportunities for internal growth. In
addition, the Company has experienced a strong level of demand in the
replacement market and believes that the growth of the replacement market will
accelerate as a result of anticipated major expenditures by governmental
entities, such as the New York, Boston, Washington, D.C., Atlanta and
Philadelphia municipalities, to rehabilitate aging water transmission systems.
Safe Drinking Water Act amendments, signed into law in 1996, mandate that
communities nationwide upgrade their water transmission systems over the next 20
years in order to comply with new federal water quality standards. A study by
the Environmental Protection Agency estimates that a minimum of $138 billion is
needed for these improvements, including $77 billion for the replacement of
 
                                      S-5
<PAGE>
deteriorating potable water transmission and distribution systems. The Company
believes that this represents a significant growth opportunity and that it is
well positioned to take advantage of this opportunity. More than half of U.S.
Pipe's products are geared toward the new residential markets and the Company
believes that continued strength in the single-family housing market, projected
to maintain a steady upward trend through the turn of the century, will provide
additional growth opportunities.
 
    The Company also expects to continue to expand internationally. In June
1997, the Ministry of Electricity and Water of Qatar awarded U.S. Pipe a
contract for the supply of approximately 35,000 tons of ductile iron pipe and
500 tons of fittings. Deliveries under the contract are scheduled over the next
twelve months.
 
NATURAL RESOURCES
 
    BUSINESS.  The Natural Resources Group, which accounted for 18% of the
Company's fiscal 1997 pro forma revenues and 16% of its fiscal 1997 pro forma
group operating income, conducts its operations primarily through the Mining
Division and the De-Gas Division of Jim Walter Resources, Inc. ("Jim Walter
Resources"). Jim Walter Resources mines and sells coal from its four deep-shaft
mines in Alabama, located between Birmingham and Tuscaloosa, which have an
annual rated capacity of approximately 9.7 million tons and 208 million tons of
recoverable reserves. The Mining Division's mines extract high quality coal from
the Blue Creek coal seam. Blue Creek coal can be sold either as metallurgical
coal, used to produce coke, or as compliance steam coal, used by electric
utilities. The De-Gas Division, through a joint venture which commenced
operations in 1981, extracts and sells methane gas from the coal seams owned or
leased by Jim Walter Resources, thereby increasing mine productivity and safety.
Extraction is accomplished by drilling wells in advance of and in conjunction
with the mining operations.
 
    Of the Mining Division's 9.7 million tons of annual rated capacity, 4.88
million to 5.10 million are sold under long-term contracts, including a
long-term contract with Alabama Power Company ("Alabama Power") which expires in
August 1999 to sell 4.0 million tons of compliance steam coal per year at prices
which are currently significantly above market prices for metallurgical coal as
well as compliance steam coal. The residual supply is sold under short term
contracts or on the spot market. The Company intends to take advantage of the
high quality of its coal by increasing its sales after August 1999 to the
metallurgical coal market, which the Company believes will offer the opportunity
to diversify its customer base. The Company has embarked on a cost cutting
program intended to reduce operating costs at the Mining Division by 20% from
fiscal 1997 levels over the next three years. See "Certain Risk Factors--Risk of
Business Downturn; Expiration of Long-Term Contract" in the accompanying
Prospectus and "Business-- Natural Resources--Mining Division" in this
Prospectus Supplement.
 
    COMPETITIVE STRENGTHS.  Recognized internationally for its quality and
consistency, Blue Creek coal offers high coking strength with low coking
pressure, low sulfur and low-to-medium ash content with high BTU values. Jim
Walter Resources' ability to export its products to overseas markets, such as
Argentina, Belgium, Brazil, France, Germany, Japan, Mexico, Turkey and the
United Kingdom, is facilitated by its proximity to the Port of Mobile, Alabama,
which has a terminal suited for coal transportation.
 
INDUSTRIAL PRODUCTS
 
    BUSINESS.  The Industrial Products Group, which accounted for 15% of the
Company's fiscal 1997 pro forma revenues and 13% of its fiscal 1997 pro forma
group operating income, consists primarily of JW Aluminum Company ("JW
Aluminum") and Sloss Industries Corporation ("Sloss Industries"). The Industrial
Products Group is also engaged in additional manufacturing operations through
several other smaller subsidiaries.
 
                                      S-6
<PAGE>
    JW ALUMINUM.
 
    JW Aluminum is a leading producer of custom-coated fin stock, used in
heating and air conditioning applications, and telecommunications cable wrap. JW
Aluminum's other foil and sheet products are used in a variety of applications
such as lithoplate for newspaper printing and as a facer on foam insulation
products. Aluminum sheet products are primarily used for general building
applications such as siding, gutters, downspouts, roofing, mobile home siding
and skirting, residential siding and window components.
 
    JW Aluminum sold 135.6 million pounds of aluminum products in fiscal 1997,
of which 27% was in the form of sheet products and 73% in the form of foil
products. JW Aluminum has focused on directing its product mix towards higher
value-added products such as fin stock, where quality and service are relied
upon more than price-driven commodity products.
 
    SLOSS INDUSTRIES.
 
    Sloss Industries is a diversified manufacturing operation with four major
product lines comprised of foundry coke, furnace coke, slag wool and specialty
chemicals.
 
    Foundry coke is marketed to plants and foundries that produce ductile iron
pipe and castings for the automotive and agricultural equipment industries,
including U.S. Pipe. Furnace coke is sold to the domestic steel industry for
producing steel in blast furnaces. Slag wool is utilized for acoustical ceiling
tile, with further processed fiber used in friction materials and thermoplastic
molding compounds. Specialty chemicals are manufactured in two Alabama plants
specializing in aromatic sulfonic acids, sulfonyl chlorides, and other specialty
chemicals used in the rubber and plastics industries.
 
    COMPETITIVE STRENGTHS.  JW Aluminum is an industry leader in markets such as
custom-coated fin stock, used in heating and air conditioning applications, and
cable wrap for the telecommunications industry. JW Aluminum is and will continue
to be strategically focused on value-added fabrications for niche markets. The
Company believes it is a low-cost producer because it utilizes a continuous-cast
method of production.
 
    GROWTH OPPORTUNITIES.  Driven by strong customer demand for its products, JW
Aluminum recently commenced a two-year $31 million expansion project that will
increase capacity by 60% by the end of fiscal 1999. Growth at Sloss Industries
will be driven primarily through selective acquisitions.
 
COMPANY HISTORY
 
    The Company was organized in 1987 by a group of investors led by Kohlberg
Kravis Roberts & Co., L.P. for the purpose of acquiring Jim Walter Corporation,
a Florida corporation ("Original Jim Walter"). The Company and its subsidiaries
and certain other persons were the subject of litigation involving persons
claiming asbestos-related damages against The Celotex Corporation ("Celotex"), a
former subsidiary of Original Jim Walter. The Company and Celotex were parties
to separate bankruptcy proceedings pursuant to which the respective bankruptcy
courts approved the settlement of the asbestos-related litigation and issued
injunctions barring future asbestos-related litigation related to Celotex
against the Company. SEE "The Company--Recent History" and "Certain Risk
Factors--Asbestos-Related Litigation Settlements" in the accompanying
Prospectus.
 
                                      S-7
<PAGE>
                                  THE OFFERING
 
   
<TABLE>
<S>                                 <C>
Shares to be sold in the            12,000,000(1)
 Offering.........................
 
Shares of Common Stock to be
 outstanding following the
 consummation of the Offering.....  53,695,790(2)
 
Use of Proceeds...................  The Shares offered hereby will be sold on behalf of the
                                    Selling Stockholders. The Company will not receive any
                                     of the proceeds from the Offering.
 
Dividend Policy...................  The Company has not paid cash dividends on its Common
                                     Stock and currently has no intention of paying any cash
                                     dividends on its Common Stock. See "Risk Factors--
                                     Dividend Policy" in the accompanying Prospectus.
 
NYSE Symbol.......................  "WLT"
</TABLE>
    
 
- ------------------------------
 
(1) Does not include 1,800,000 shares of Common Stock subject to the
    over-allotment options granted to the U.S. Underwriters and the
    International Managers by the Settlement Trust. See "Underwriting."
 
(2) As of December 31, 1997. Does not include 5,961,940 shares of Common Stock
    issuable upon the exercise of options granted or which can be granted in the
    future to employees pursuant to the Company's Amended 1995 Long-Term
    Incentive Stock Plan (the "Incentive Plan"). As of December 31, 1997,
    3,425,900 options were outstanding at exercise prices ranging from $12.31 to
    $19.78.
 
                         SUMMARY FINANCIAL INFORMATION
 
    The following statement of operations and additional financial data of the
Company for the fiscal years ended May 31, 1995, 1996 and 1997 have been derived
from and should be read in conjunction with the Company's audited financial
statements and the notes thereto. Such financial statements have been audited by
Price Waterhouse LLP, independent accountants, as stated in their report thereon
and are incorporated herein by reference to the Company's Annual Report on Form
10-K for the year ended May 31, 1997, as amended by Amendment No. 1 thereto on
Form 10-K/A. The following statement of operations data and additional financial
data of the Company for the six months ended November 30, 1996 and 1997 have
been derived from unaudited financial statements of the Company. In the opinion
of management, the unaudited financial statements of the Company have been
prepared on the same basis as the audited financial statements incorporated by
reference herein and include all adjustments necessary for the fair presentation
of financial position and results of operations at these dates and for these
periods, which adjustments are only of a normal recurring nature. The results of
operations for interim periods are not necessarily indicative of results that
may be expected for the full year.
 
    The pro forma statement of operations data and additional financial data are
derived from and should be read in conjunction with the Company's unaudited pro
forma financial information and the notes thereto which are incorporated herein
by reference to the Company's Current Report on Form 8-K/A filed with the
Securities and Exchange Commission on December 29, 1997. The pro forma statement
of operations data and additional financial data for the six months ended
November 30, 1997 and the fiscal year ended May 31, 1997 have been prepared as
if the acquisition of AIMCOR had been consummated at the beginning of the period
presented (in the case of income statement data) or at the period-end date (in
the case of balance sheet data). The pro forma data are not necessarily
indicative of the financial conditions or results of operations that would have
occurred or that will occur in the future.
 
                                      S-8
<PAGE>
   
<TABLE>
<CAPTION>
                                                                                                         SIX MONTHS ENDED
                                                             FISCAL YEARS ENDED MAY 31,                    NOVEMBER 30,
                                                 --------------------------------------------------  ------------------------
                                                                                         PRO FORMA
                                                    1995         1996         1997         1997         1996         1997
                                                 -----------  -----------  -----------  -----------  -----------  -----------
                                                    (DOLLARS IN THOUSANDS EXCEPT PER SHARE DATA AND AMOUNTS REFERENCED IN
                                                                                  FOOTNOTES)
<S>                                              <C>          <C>          <C>          <C>          <C>          <C>
 
STATEMENT OF OPERATIONS DATA:
 
Sales and revenues.............................  $ 1,442,322  $ 1,485,635  $ 1,507,061  $ 1,947,761  $   767,559  $   847,402
 
Cost of sales (exclusive of depreciation)......      951,381      987,354      980,235    1,348,006      499,372      564,887
 
Depreciation and depletion.....................       72,037       74,341       71,814       79,815       36,777       37,710
 
Amortization of goodwill.......................       40,027       39,096       34,870       43,482       17,832       18,186
 
Selling, general and administrative expenses...      135,101      140,207      148,043      176,436       70,668       74,957
 
Post retirement health benefits................       25,961       27,129       22,710       22,710       12,872       11,130
 
Interest and amortization of debt expense (1):
 
  Mortgage-backed/Asset-backed notes...........       96,432      156,318      152,094      152,094       77,017       78,185
 
  Other senior debt............................      208,116       52,372       27,197       47,309       15,250       14,726
 
Chapter 11 costs...............................      442,362      --           --           --           --           --
 
Long-lived asset impairment (2)................      --           143,265      --           --           --           --
 
Income before taxes (3)........................     (529,095)    (134,447)      70,098       77,909       37,771       47,621
 
Income tax expense (benefit)...................     (170,450)     (55,155)      32,981       35,715       20,026       20,915
 
Income (loss) before extraordinary item
  (2)(4)(5)....................................     (358,645)     (79,292)      37,117       42,194       17,745       26,706
 
Net income (loss)..............................     (358,645)     (84,696)      37,117       39,331       17,745       24,043
 
Net income (loss) per share:
 
Income (loss) before extraordinary item........        (7.10)       (1.56)         .67          .76          .32          .49
 
Extraordinary item (4)(5)......................           --         (.10)          --         (.05)          --         (.05)
                                                 -----------  -----------  -----------  -----------  -----------  -----------
 
Net income (loss)..............................        (7.10)       (1.66)         .67          .71          .32          .44
                                                 -----------  -----------  -----------  -----------  -----------  -----------
                                                 -----------  -----------  -----------  -----------  -----------  -----------
 
Number of shares used in calculation of income
  (loss) per share.............................   50,494,313   50,988,195   55,039,347   55,039,347   54,935,714   54,707,463
                                                 -----------  -----------  -----------  -----------  -----------  -----------
                                                 -----------  -----------  -----------  -----------  -----------  -----------
 
ADDITIONAL FINANCIAL DATA (6):
 
Gross capital expenditures.....................  $    91,317  $    83,523  $   101,755  $   105,552  $    49,674  $    44,221
 
Net property, plant and equipment..............      662,792      541,536      568,176      644,725      551,750      650,175
 
Total assets...................................    3,245,153    3,091,377    3,027,385    3,516,979    3,003,477    3,529,931
 
Long-term senior debt:
 
  Mortgage-backed/Asset-backed notes...........    1,726,370    1,791,946    1,752,125    1,820,464    1,762,343    1,817,123
 
  Other senior debt............................      494,000      419,350      313,450      692,271      357,750      685,420
 
Stockholders' equity...........................      360,774      276,694      319,412      309,302      294,434      322,369
 
<CAPTION>
 
                                                  PRO FORMA
                                                    1997
                                                 -----------
 
<S>                                              <C>
STATEMENT OF OPERATIONS DATA:
Sales and revenues.............................  $ 1,004,913
Cost of sales (exclusive of depreciation)......      691,677
Depreciation and depletion.....................       40,133
Amortization of goodwill.......................       21,057
Selling, general and administrative expenses...       84,998
Post retirement health benefits................       11,130
Interest and amortization of debt expense (1):
  Mortgage-backed/Asset-backed notes...........       78,185
  Other senior debt............................       23,693
Chapter 11 costs...............................      --
Long-lived asset impairment (2)................      --
Income before taxes (3)........................       54,040
Income tax expense (benefit)...................       23,161
Income (loss) before extraordinary item
  (2)(4)(5)....................................       30,879
Net income (loss)..............................       28,185
Net income (loss) per share:
Income (loss) before extraordinary item........          .57
Extraordinary item (4)(5)......................         (.05)
                                                 -----------
Net income (loss)..............................          .52
                                                 -----------
                                                 -----------
Number of shares used in calculation of income
  (loss) per share.............................   54,707,463
                                                 -----------
                                                 -----------
ADDITIONAL FINANCIAL DATA (6):
Gross capital expenditures.....................  $    45,591
Net property, plant and equipment..............      (7)
Total assets...................................      (7)
Long-term senior debt:
  Mortgage-backed/Asset-backed notes...........      (7)
  Other senior debt............................      (7)
Stockholders' equity...........................      (7)
</TABLE>
    
 
- ------------------------
(1) The Company recorded additional interest and amortization of debt discount
    and expense of $141.4 million related to the consummation of the Company's
    Amended Joint Plan of Reorganization (the "Consensual Plan") in fiscal 1995.
 
(2) The Company adopted Statement of Financial Accounting Standards No. 121
    "Accounting for the Impairment of Long-Lived Assets and Long-Lived Assets to
    Be Disposed Of" ("FASB 121") during fiscal 1996.
 
(3) Contributions to group operating income for fiscal 1997 and pro forma fiscal
    1997 (after giving effect to the AIMCOR acquisition) were $144.7 million and
    $168.9 million, respectively. For further details, see Note 15 of the
    audited financial statements in the Company's amended Annual Report for the
    fiscal year ended May 31, 1997 on Form 10-K/A.
 
(4) Extraordinary item consists of redemption premium and write-off of
    unamortized debt expense of $8.3 million ($5.4 million after tax) related to
    early repayment of the Company's 12.19% Series B Senior Notes Due 2000,
    which were issued pursuant to the Consensual Plan, and a $150 million bank
    credit facility during fiscal 1996.
 
(5) Extraordinary item consists of write-off of unamortized debt expense related
    to the refinancing of bank credit facilities in conjunction with the AIMCOR
    acquisition for the six months ended November 30, 1997 and pro forma fiscal
    1997.
 
(6) Pro forma fiscal 1997 balance sheet amounts are as of August 31, 1997, the
    most recent balance sheet available at the time of the AIMCOR acquisition.
 
(7) Pro forma November 30, 1997 balance sheet information is identical to the
    historical November 30, 1997 balance sheet information as the AIMCOR
    acquisition was consummated before that date.
 
                                      S-9
<PAGE>
                    PRIVATE SECURITIES LITIGATION REFORM ACT
                             SAFE HARBOR STATEMENT
 
    This Prospectus Supplement contains certain forward-looking statements (as
such term is defined in the Private Securities Litigation Reform Act of 1995)
and information relating to the Company that is based on the beliefs of the
management of the Company, as well as assumptions made by and information
currently available to the management of the Company. When used in this
Prospectus Supplement, the words "estimate," "project," "believe," "anticipate,"
"intend," "expect" and similar expressions are intended to identify
forward-looking statements. Such statements reflect the current views of the
Company with respect to future events and are subject to risks and uncertainties
that could cause actual results to differ materially from those contemplated in
such forward-looking statements. For a discussion of such risks, see "Certain
Risk Factors" in the accompanying Prospectus. Readers are cautioned not to place
undue reliance on those forward-looking statements, which speak only as of the
date hereof. The Company does not undertake any obligation to publicly release
any revisions to these forward-looking statements to reflect events or
circumstances after the date hereof or to reflect the occurrence of
unanticipated events.
 
                                      S-10
<PAGE>
                                    BUSINESS
 
GENERAL
 
    Walter Industries is a diversified holding company with five operating
groups: Homebuilding and Financing, Energy Services, Water Transmission
Products, Natural Resources and Industrial Products. The Company's strategy is
to focus on businesses that have strong competitive positions based on highly
specialized operations and which provide a balanced, complementary mix of
revenues and profits.
 
HOMEBUILDING AND FINANCING
 
    JIM WALTER HOMES
 
    Jim Walter Homes, headquartered in the Walter Industries building in Tampa,
Florida, markets and supervises the construction of detached, single-family
residential homes, primarily in the southern United States where the weather
permits year-round construction, and provides mortgage financing on such homes.
Jim Walter Homes has concentrated on the low to moderately priced segment of the
housing market. Over 325,000 homes have been completed by Jim Walter Homes and
its predecessor since 1946.
 
    Jim Walter Homes' products consist of more than 30 models of conventionally
built homes, built of wood on concrete foundations or wood pilings, and ranging
in size from approximately 640 to 1,900 square feet. Each home is completely
finished on the outside and is unfinished on the inside except for rough floors,
ceiling joists, partition studding and closet framing. The buyer may elect to
purchase optional interior components, including installation thereof, such as
plumbing and electrical materials, heating and air conditioning, wallboard,
interior doors, interior trim and floor finishing. A buyer selecting all options
receives a home considered to be "90% complete," excluding landscaping and
utility connections. Shell homes are those which are completely finished on the
outside with the inside containing only rough floors, ceiling joists, partition
studding and closet framing, but not interior wallboard, floor finishing,
plumbing, electrical wiring and fixtures, doors and cabinetry. The remaining
units are sold at varying "in-between" stages of interior finishing. Jim Walter
Homes builds all of its homes "on site" and only after a building contract has
been entered into and Jim Walter Homes is satisfied that the customer has clear
title to the land and the site is suitable for building. The following chart
shows the unit sales volume of Jim Walter Homes and the percent of homes sold in
the three stages of completion for fiscal years ended May 31, 1997, 1996 and
1995.
 
<TABLE>
<CAPTION>
                                                                           PERCENT OF UNIT SALES
                                                            ---------------------------------------------------
<S>                                          <C>            <C>          <C>                  <C>
FISCAL YEAR ENDED MAY 31,                     UNITS BUILT      SHELL       VARIOUS STAGES       90% COMPLETE
- -------------------------------------------  -------------     -----     -------------------  -----------------
  1997.....................................        3,900            10%               1%                 89%
  1996.....................................        3,760            18                4                  78
  1995.....................................        4,126            25                9                  66
</TABLE>
 
    During the fiscal years 1997, 1996 and 1995 the average net sales price of a
home was $47,500, $42,300 and $40,200, respectively.
 
    Jim Walter Homes' backlog as of May 31, 1997 was 1,972 units compared to
1,957 units at May 31, 1996. The average time to construct a home ranges from
four to twelve weeks.
 
    Jim Walter Homes' currently operates 114 branch offices located in 19 states
(Alabama, Arizona, Arkansas, Florida, Georgia, Indiana, Kentucky, Louisiana,
Mississippi, Missouri, New Mexico, North Carolina, Ohio, Oklahoma, South
Carolina, Tennessee, Texas, Virginia and West Virginia). In addition, Jim Walter
Homes serves five adjoining states (Delaware, Illinois, Kansas, Maryland and
Pennsylvania). Accordingly, these operations are not subject to significant
concentrations of credit risks. Of such branch offices, approximately 79% are
owned, with the balance on leased land. Substantially all of these branch
offices serve as "display parks" which are designed to allow customers to view
actual models completed to the various stages of interior finishing available.
Jim Walter Homes currently plans to open several new
 
                                      S-11
<PAGE>
model home parks in new markets in 1998. Jim Walter Homes intends to achieve
growth through internally driven geographic expansion (in states such as Nevada,
Colorado, Kansas and Pennsylvania) and strategic acquisitions of other
homebuilders that enable the Company to (i) penetrate new geographic markets,
(ii) further develop existing markets and (iii) broaden its product line. In
June 1997, the Company increased its operations in Texas through the acquisition
of Neatherlin Homes, Inc. This acquisition also expanded the Company's product
line to include larger homes with more amenities.
 
    Jim Walter Homes does not own or acquire land for purposes of its operations
and is not a land developer. The actual construction of all homes sold by Jim
Walter Homes is done by local building contractors with their own crews,
pursuant to subcontracts executed in connection with each home, and inspected by
Jim Walter Homes' supervisory personnel. Jim Walter Homes maintains 32 regional
warehouses near each of its district offices from which a portion of the
necessary building materials may be obtained; the balance of building materials
is purchased locally.
 
    Approximately 96% of the homes Jim Walter Homes sells are purchased with
financing it arranges. Jim Walter Homes offers qualified customers a fixed
interest rate mortgage without requiring a down payment and does not charge
add-ons such as closing costs, points, credit service fees or private mortgage
insurance.
 
    Jim Walter Homes offers credit terms for up to a maximum of 30 years,
usually for 100% of the purchase price of the home and currently carry an 8.5%
"annual percentage rate." In December 1995, Jim Walter Homes reduced its
financing rate from 10% to 8.5% for its "90% complete" homes on a trial basis
and in March 1996 began formally advertising the lower rate. Jim Walter Homes
extended the 8.5% financing rate to the remainder of its product line ("shell"
and homes sold at various "in between" stages of interior finishing) in the
fourth quarter of fiscal 1997. The 10% "annual percentage rate" had been in
effect since 1979.
 
    To qualify for financing, a potential customer must provide information
concerning his or her monthly income and employment history as well as a legal
description of and evidence that the customer owns the land on which the home is
to be built. A customer's income and employment usually are verified through
telephone conversations with the customer's employer and by examining his or her
pay stubs, W-2 forms or, if the customer is self-employed, income tax returns.
An applicant must have a minimum of one year's continuous employment or, if
there has been a change in employment, the new job must be in the same field of
work. Only a small percentage of secondary income (second jobs or part-time
work) is utilized in qualifying applicants. Ownership of the land is verified by
examining the title record. In addition, Jim Walter Homes' credit department
obtains a credit report. Particular attention is paid to the credit information
for the most recent three to five years. Attention is also given to the
customer's total indebtedness and total other monthly payments on a judgmental
basis by the credit department. The customer's credit standing is considered
favorable if the employment history, income and credit report meet the
aforementioned criteria. If a favorable report is obtained and the required
monthly payment does not exceed 25% of the customer's monthly gross income, the
application usually is approved and a building or instalment sale contract is
executed, a title report is ordered and frequently a survey of the property is
made. Surveys are performed by independent registered surveyors when, in the
opinion of Jim Walter Homes, additional information beyond examination of the
title record is needed. Such additional information is primarily concerned with
verification of legal description, ownership of land and existence of any
encroachments. Jim Walter Homes does not obtain appraisals or title insurance.
Although consideration is given to the ratio of the amount financed to the
estimated value of the home and the land securing such amount, there is no
explicit appraisal-based loan-to-value test. However, there is a requirement
that the value of the lot on which the home is to be built, as estimated solely
on the basis of Jim Walter Homes' mortgage servicing division employees'
experience and knowledge, be at least equal to 10% of the cash selling price of
the home.
 
                                      S-12
<PAGE>
    The building and instalment sale contract is subject to (i) except in the
State of Texas, executing a promissory note which is secured by a first lien on
the land and the home to be built, (ii) executing a mortgage, deed of trust,
mechanic's lien contract or other security instrument, (iii) receiving a
satisfactory title report, (iv) inspecting the land to determine that it is
suitable for building and (v) obtaining required permits. Although the
mortgages, deeds of trust and similar security instruments constitute a first
lien on the land and the home to be built, such security instruments are not
insured by the Federal Housing Administration or guaranteed by the Department of
Veterans Affairs or otherwise insured or guaranteed.
 
    Prior to occupancy of the new home, the buyer must complete the utility
hook-ups and any of the other components not purchased from Jim Walter Homes,
arrange for the final building inspection and, if required, obtain a certificate
of occupancy. The costs to complete a new home depends on the stage of
completion of the home purchased and whether public water and sewer systems are
available or wells and septic tanks must be installed. Such costs could range
from $2,000-$3,000 to $30,000-$40,000.
 
    Upon completion of construction of a new home to the agreed-upon percentage
of completion, Jim Walter Homes sells the building and instalment sale contract,
the note and the related mortgage, deed of trust or other security instrument to
Mid-State Homes in the ordinary course of business pursuant to an Agreement of
Purchase and Sale of Instalment Obligations and Servicing of Delinquent
Accounts. Pursuant to this agreement, Jim Walter Homes provides field servicing
on all delinquent payments, including collection of delinquent payments,
recommendations of foreclosure, foreclosure and resale of foreclosed properties.
 
    The favorable financing offered by Jim Walter Homes normally has tended to
increase unit volume in times of high interest rates and limited availability of
mortgage financing funds. As a result, Jim Walter Homes' volume of home sales
has tended to be counter-cyclical to national home construction activity. Also,
in times of low interest rates and high availability of mortgage funds,
additional competition is able to enter the market.
 
    The single-family residential housing industry is highly competitive. Jim
Walter Homes competes in each of its market areas on the basis of price, design,
finishing options and accessibility to financing with numerous home builders
ranging from regional and national firms to small local companies. Jim Walter
Homes also competes with manufactured housing. Jim Walter Homes' strategy is to
compete in a specific segment of the housing market by offering customers
quality traditionally-built homes at affordable prices with favorable financing
and no closing costs. For the calendar year 1996, Jim Walter Homes was the
eleventh largest builder of detached single-family homes in the United States.
However, because there are so many firms engaged in the single-family
homebuilding industry, Jim Walter Homes accounted for less than 1% of all new
detached for sale homes built in 1996.
 
    MID-STATE HOMES
 
    Mid-State Homes, headquartered in the Walter Industries building in Tampa,
Florida, was established in 1958 to purchase mortgage instalment notes from Jim
Walter Homes on homes constructed and sold by Jim Walter Homes and to service
such mortgage instalment notes. Mid-State Trust II ("Trust II"), Mid-State Trust
III ("Trust III"), Mid-State Trust IV ("Trust IV"), Mid-State Trust V ("Trust
V") and Mid-State Trust VI ("Trust VI") are Delaware business trusts organized
by Mid-State Homes, which owns all of the beneficial interest in Trust III,
Trust IV, Trust V and Trust VI. Trust IV owns all of the beneficial interest in
Trust II.
 
    In April 1988, Mid-State Homes sold to Trust II instalment notes and
mortgages which it had acquired from Jim Walter Homes through February 29, 1988
having a gross amount of approximately $3.376 billion and an aggregate
outstanding economic balance of approximately $1.750 billion pursuant to a
purchase and sales agreement, in exchange for a purchase price of $1.327
billion, representing the net cash proceeds from the public offering of $1.450
billion aggregate face amount of mortgage-backed notes ("Trust II
Mortgage-Backed Notes") of Trust II after paying the expenses associated with
the sale of such Trust II
 
                                      S-13
<PAGE>
Mortgage-Backed Notes. The outstanding balance of such Trust II Mortgage-Backed
Notes at November 30, 1997 was $366.5 million. At November 30, 1997, such Trust
II instalment notes and mortgages had a gross book value of $874.3 million and
an economic balance of $555.2 million.
 
    Under the Trust II indenture for the Trust II Mortgage-Backed Notes, if
certain criteria as to performance of the pledged instalment notes are met,
Trust II is allowed to make quarterly distributions of cash to Trust IV, its
sole beneficial owner, to the extent that cash collections on such instalment
notes exceed Trust II's cash expenditures for its operating expenses, interest
expense and mandatory debt payments on its mortgage-backed notes. In addition to
the performance-based distributions, the indenture permits distribution of
additional excess funds, if any, provided such distributions are consented to by
Financial Security Assurance Inc., a monoline property and casualty insurance
company and the guarantor of the Trust II Mortgage-Backed Notes. The guarantor
has not approved any additional distributions since the January 1, 1995
distribution and such excess funds ($94.2 million at November 30, 1997) remain
on deposit with Trust II.
 
    On July 1, 1992, mortgage instalment notes having a gross amount of $638.1
million and an economic balance of $296.2 million were sold by Mid-State Homes
to Trust III in exchange for the net proceeds from the public issuance by Trust
III of $249.9 million of asset backed notes ("Trust III Asset Backed Notes").
Net proceeds were used to repay in full all outstanding indebtedness due under a
revolving credit facility, with the excess cash used to fund the ongoing
operations of the Company and its subsidiaries. The outstanding balance at
November 30, 1997 of such Trust III Asset Backed Notes was $102.0 million. At
November 30, 1997, such Trust III instalment notes and mortgages had a gross
book value of $339.5 million and an economic balance of $184.4 million.
 
    On March 16, 1995, mortgage instalment notes having a gross amount of $2.020
billion and an economic balance of $826.7 million were sold by Mid-State Homes
to Trust IV. In addition, on such date, Mid-State Homes sold its beneficial
interest in Trust II to Trust IV. Trust II had a total collateral value of
$910.5 million with $605.7 million of Trust II Mortgage-Backed Notes
outstanding. These sales were in exchange for the net proceeds from the public
issuance by Trust IV of $959.4 million of asset backed notes ("Trust IV Asset
Backed Notes"). The outstanding balance at November 30, 1997 of such Trust IV
Asset Backed Notes was $809.1 million. At November 30, 1997, such Trust IV
instalment notes and mortgages had a gross book value of $1.522 billion and an
economic balance of $673.3 million.
 
    On February 27, 1995, Mid-State Homes established Trust V, a business trust
in which Mid-State Homes owns all of the beneficial interest, to provide
temporary financing to Mid-State Homes for its current purchases of instalment
notes and mortgages from Jim Walter Homes. On March 3, 1995, Trust V entered
into the Mid-State Trust V Variable Funding Loan Agreement (the "Trust Variable
Funding Loan Agreement") with Enterprise Funding Corporation, an affiliate of
NationsBank NA, as lender, and NationsBank NA (Carolinas), as Administrative
Agent. The agreement provides for a three-year, $500.0 million credit facility
(subsequently reduced to $400.0 million on July 31, 1997) (the "Trust V Variable
Funding Loan") secured by the instalment notes and mortgages Trust V purchases
from Mid-State Homes. The facility is an evergreen three-year facility with
periodic paydowns from the proceeds of permanent financings similar to those
done by Trusts II, III, IV and VI. The facility currently matures on March 3,
2000. The outstanding Trust V Variable Funding Loan balance at November 30, 1997
was $115.0 million. At November 30, 1997, the Trust V instalment notes and
mortgages had a gross book value of $418.6 million and an economic balance of
$162.6 million.
 
    On June 11, 1997, Mid-State Homes purchased mortgage instalment notes from
Trust V having a gross amount of $1.196 billion and an economic balance of
$462.3 million. Mid-State Homes subsequently sold such mortgage instalment notes
to Trust VI, a business trust organized by Mid-State Homes which owns all of the
beneficial interest in Trust VI. These sales were in exchange for the net
proceeds from the public issuance of $439.2 million of asset backed notes
("Trust VI Asset Backed Notes"). The Trust VI Asset Backed Notes were issued in
four classes, bear interest at rates ranging from 7.34% to 7.79%, and
 
                                      S-14
<PAGE>
have a final maturity of July 1, 2035. Payments will be made quarterly on
January 1, April 1, July 1, and October 1 based on collections on the underlying
collateral, less amounts paid for interest on the notes and Trust VI expenses.
Net proceeds from the public offering were used primarily to pay down Trust V
indebtedness of $384.0 million. The outstanding balance at November 30, 1997 of
such Trust VI Asset Backed Notes was $424.5 million. At November 30, 1997, such
Trust VI instalment notes and mortgages had a gross book value of $1.116 billion
and an economic value of $439.8 million.
 
    The instalment notes sold by Mid-State Homes to Trusts II, III, IV, V and VI
are serviced by Mid-State Homes pursuant to servicing agreements entered into
with each trust. Mid-State Homes, in connection with such servicing agreements,
has entered into sub-servicing agreements with Jim Walter Homes to provide field
servicing such as collections, repossessions and resales.
 
    The assets of Mid-State Trusts II, III, IV, and VI are not available to
satisfy claims of general creditors of Mid-State Homes or the Company and its
other subsidiaries. The liabilities of Mid-State Trusts II, III, IV and VI for
their publicly issued debt are to be satisfied solely from proceeds of the
underlying instalment notes and are non-recourse to Mid-State Homes and the
Company and its other subsidiaries.
 
    The revenues of Mid-State Trusts II, III, IV, V and VI are required by
generally accepted accounting principles to be consolidated as part of Mid-State
Homes' revenues for financial statement purposes.
 
    CARDEM INSURANCE
 
    Cardem Insurance is a Hamilton, Bermuda based offshore reinsurance company.
The predominant portion of its business is reinsuring 75% of the risk on fire
and extended coverage insurance policies issued by Westchester Insurance
Company, an unrelated insurance company. Such insurance policies are with
individual owners of homes constructed by Jim Walter Homes.
 
ENERGY SERVICES
 
    AIMCOR is a leading international provider of products and outsourcing
services to both the petroleum industry and to the steel, foundry and aluminum
industries through its Carbon Products Division, and is also a leading supplier
of ferrosilicon in the southeastern United States through its Metals Division.
Carbon Products is international in scope, while Metals is primarily domestic.
 
    CARBON PRODUCTS
 
    AIMCOR markets and distributes a variety of grades of petroleum coke and
also applies value-added services to large volumes of petroleum coke and other
relatively low-cost bulk raw materials, such as ores, slags and other materials.
These bulk raw materials are delivered to industrial markets throughout the
world from a variety of global sources as discrete products and services
targeted to meet individual customer needs.
 
    The Carbon Products unit purchases petcoke primarily from oil refiners.
Petcoke is a coal-like, high carbon fuel source which is a by-product that is
produced when heavy fuel oil is refined into gasoline. The average refinery
produces 3,000 to 4,000 tons of petcoke per day. By combining and processing the
petcoke produced by several refineries, the Company is able to market larger
quantities of consistent quality petcoke, thereby creating a more marketable
product than an individual refiner could produce on its own. Petcoke is used in
industrial furnaces, cement kilns, steel plants, foundries, paper mills,
cogeneration plants and home heating. Calcined coke is low sulfur petcoke which
has been further processed to remove gases and moisture, and is used as the
primary ingredient (for which there is no economic substitute) in anodes for the
smelting of aluminum. The Company believes that AIMCOR controls more than 25% of
the world's petcoke market, 60% of the United States West Coast low sulfur
supply and 36% of the total United States export market, shipping approximately
7 million metric tons of petcoke annually. When AIMCOR establishes a marketing
relationship with a refinery, it is then in a position to provide these
 
                                      S-15
<PAGE>
value added services. Conversely, when AIMCOR is hired to provide such services,
it is in a position to obtain commitments for long-term supply of petcoke.
 
    AIMCOR has marketed petcoke products for over thirty years. It maintains
strong relationships with all major United States oil refiners and has an
in-depth knowledge of the end-user markets. AIMCOR's petcoke supply comes
primarily from oil refiners on the Gulf Coast (59%) and the West Coast (41%) of
the United States. AIMCOR's terminal and services operating group has entered
into long-term contracts with leading refiners including Mobil, Shell and Citgo.
The top nine suppliers represent 85% of volume for the twelve months ended
September 30, 1997. The typical refinery has no means for the handling or
storage of this continuously produced by-product and its primary objective is
that the Company take possession of the petcoke. Refiners typically sign one or
two year take-or-pay contracts with their petcoke handlers and marketers. Under
take-or-pay contracts with oil refineries, the Company is contractually
obligated to take delivery of all or a certain portion of a refiner's petcoke
output. Price reset provisions in the Company's supply contracts typically allow
for monthly, bi-monthly, quarterly, or annual price adjustments, based on
petcoke's world commodity price. Contractual hardship provisions protect the
Company in most cases from precipitous price fluctuations by allowing repricing
even more rapidly than contractual reset provisions. In some cases, "net back"
provisions require the refiner to pay the Company for the removal of petcoke
under certain circumstances.
 
    The Company limits the duration of forward sales agreements to manage its
exposure to adverse price movements. Forward sales at a fixed price generally
range from two to four months. The Company may agree to sell petcoke to a
customer at a fixed price for as long as a twelve month period, but it typically
does so only after a refiner has agreed to supply to the Company a matching
quantity of petcoke for the same period. In light of its ability to periodically
reset the price per ton paid to petcoke suppliers, the Company's exposure to
price fluctuations is largely limited to petcoke held in inventory, and its
margin on petcoke sales has remained relatively stable over time.
 
    AIMCOR markets its products through three operating groups: carbon
specialties, carbon fuels and calcined services. The carbon specialties
operating group is responsible for the marketing and sale of petcoke primarily
for steel/foundry, chemical, special cement, other metallurgical or special fuel
applications. The products marketed by this group usually require processing,
storage, screening, blending and customized delivery. The petcoke sold for these
applications typically has a general specification for sulfur of less than 3%.
The carbon fuels operating group is responsible for the marketing and sale of
petcoke for use as a fuel in the cement industry and for utilities in the
worldwide market. The petcoke sold for these markets typically has a sulfur
content above 3%.
 
    The calcined specialties operating group markets and distributes raw petcoke
for calcination and manages the products which either go into or are supplied
from calciners. The Company is the largest non-producer distributor of calcined
petcoke. In addition, the Company is an equity partner in Rain Calcining, Ltd.,
a combination petcoke calciner and independent power project in Visakhapatnam,
India expected to commence operations in April 1998. The Company will derive
revenues from its 5% interest in the joint venture as well as from a marketing
arrangement with the joint venture. Calcined petcoke is used as the main carbon
source for anodes in aluminum smelting, and is also used in the titanium, steel
and foundry industries. Calcined petcoke is reprocessed and, therefore, commands
a higher price on the open market, roughly three to four times higher than the
regular raw material.
 
    AIMCOR markets petcoke through a combination of its internal sales force and
its strategically located shipping terminals throughout the world. AIMCOR's
principal shipping locations are located in Long Beach, California; Texas City,
Texas; Rotterdam, Netherlands; Ghent, Belgium; and Red Car, United Kingdom. The
Company's sales offices comprise an international network of 14 offices located
in ten countries, including Luxembourg, the Netherlands, Germany, England,
Japan, Mexico, Brazil, Belgium, Australia, and the United States. Rather than
marketing through intermediaries or brokers, AIMCOR maintains direct
relationships with most end users through its 56-person sales force (17
domestic, 39
 
                                      S-16
<PAGE>
international). This approach allows the Company to develop the optimum petcoke
quality that meets the customer's specifications. However, in some markets
international trading companies serve as financial intermediaries. The top ten
customers for the Carbon Product group represented 42% of total Carbon Product
group's total sales in the twelve months ended September 30, 1997, with no
single customer accounting for more than 10%.
 
    The Company also continuously works to convert non-petcoke users to petcoke
and to develop new, specialized applications for petcoke products. For example,
AIMCOR developed petcoke-based briquettes for home heating. These products are
contract manufactured and sold in Western Europe as
Pureheat-Registered Trademark- and Ecocalor-Registered Trademark- briquettes.
They represent clean-burning, low-ash home heating fuels, replacing traditional,
dirtier home fuels such as coal, oil, wood and peat.
 
    Of the Company's approximately 7 million metric tons of total volume of
petcoke for 1997, approximately 95% was exported, primarily to Western Europe,
Japan and Asia. AIMCOR has established relationships with overseas industries
and identified new users for petcoke, particularly low quality (I.E., high
sulfur) grades. For example, AIMCOR has successfully developed a Western
European market for the particularly high sulfur (6.5% to 7.0%) petcoke produced
by two leading domestic refiners. Cement manufacturers (27%), steel producers
(31%), and aluminum producers (calcined coke) (26%) represent the majority (in
revenue terms) of the end-users of petcoke products.
 
    The Carbon Products unit also performs (on a service contract basis)
value-added services such as the cutting, blending, inventory management, stock
piling and removal of petcoke in the refinery, as well as the handling,
warehousing and distribution and shipping of petcoke from the refinery to the
terminal and ultimately to the end user. The Company's value-added approach has
distinguished it as a leader in business that many competitors treat in a
commodity-like manner.
 
    Like coal and oil, the international petcoke market is dollar-denominated,
which serves to limit AIMCOR's exposure to exchange rate fluctuations. Since the
United States petcoke supply dominates the international petcoke market, the
Company's exchange rate exposure is limited to those few markets where AIMCOR
must compete against local sources or in foreign retail markets, such as
household fuels. There is also limited currency exposure in countries where
AIMCOR maintains its own staff, but this exposure is minimized by sales in
domestic currencies and through hedging activities.
 
    METALS
 
    The Metals unit is a leading manufacturer and marketer of a variety of
ferroalloys, metals, minerals and specialty materials that are used primarily as
alloying agents, fluxing agents and/or performance improvement additives in the
steelmaking and metal casting production processes in the North American foundry
and steel industries. A ferroalloy is a refined combination of iron and one key
element.
 
    The Metals group is comprised of five distinct but related businesses,
including two joint ventures, which manufacture and market ferrosilicon,
ferrovanadium and ferromolybdenum, metallurgical process materials, fluorspar
and various other ferroalloys on both an agency and trading basis.
 
    As a manufacturer for and supplier to its markets for over 25 years, the
Metals unit enjoys strong, long-standing relationships with most of the
principal steelmakers in the United States and foundries in the southeast. The
top ten customers for the Metals unit represented 51% of total Metals unit sales
in the twelve months ended September 30, 1997, with no single customer
accounting for more than 12% of total Metals unit sales.
 
    FERROSILICON.  The Company's ferrosilicon business is conducted through
Tennessee Alloys Company (the "Joint Venture"), a joint venture between the
Company (75%) and Allegheny/Teledyne, a major speciality steel producer (25%),
that was established in 1975 to build and operate a 40 megawatt, self-baking
electrode furnace located in Bridgeport, Alabama. This facility operates at a
current capacity of 33,000 tons of 50% ferrosilicon or 29,000 tons of 75%
ferrosilicon. Under the terms of the Joint Venture
 
                                      S-17
<PAGE>
agreement, the Company and its joint venture partner are obligated to purchase
their pro rata share of the output of the facility through the year 2005. The
Company resells its share of the output through its sales organization to third
party steel producers and foundry operators. As the managing partner, the
Company controls the day-to-day operations of the Joint Venture.
 
    Historically, over 90% of domestic consumption of ferrosilicon has gone
directly to the production of steel and cast iron and, as a result, the industry
is largely affected by the relative strength of the domestic steel industry and
its end-markets. A number of fundamental structural changes have occurred in the
ferrosilicon market limiting available supply, and the Company believes that
because of these changes the outlook for the ferrosilicon market is favorable.
 
    FERROVANADIUM.  The Company's ferrovanadium business is conducted through
Masterloy Products Limited ("Masterloy") located in Ottawa, Canada.
Ferrovanadium is an alloying agent used to impart strengthening properties in
steel and iron. Masterloy is the only producer of ferrovanadium in Canada and
one of only two North American producers engaged in the conversion of vanadium
pentoxide (V(2) O(5)) into 80% ferrovanadium. Masterloy also converts molybdenum
oxide to ferromolybdenum and markets AIMCOR's United States based products to
the Canadian steel industry. Masterloy's ability to produce a high-quality
product and a strong preference by Canadian manufacturers to "buy Canadian" have
enabled the Company to secure a leading position in the Canadian ferrovanadium
market. Masterloy currently serves over 30 accounts in Canada and the United
States.
 
    The production of raw steel typically accounts for approximately 85% of
global ferrovanadium consumption and, as such, the demand for ferrovanadium
follows closely the demand for tool steel and other high strength, low alloy
steel. Due to the favorable consumption and production outlook for these steels,
the Company believes the future for the ferrovanadium market is also positive.
 
    METALLURGICAL PROCESS MATERIALS.  The Company's metallurgical process
materials operating group produces blends of materials used for the
desulfurization of steel and slag conditioning by North American steel
producers. The Company focuses its efforts on the production of more complex and
customized materials which typically require at least three raw material
components (E.G., lime, aluminum and fluorspar) blended in specific ratios to
meet customer requirements and sold either as bulk product or bagged in a
variety of sizes. The Company also processes and sells acid-grade fluorspar as a
finished product. Since its formation in 1990, the Company's metallurgical
process materials operating group has experienced significant growth and is
currently the second largest domestic producer of metallurgical process
materials with a 14% share of the market.
 
    AIMCOR has dedicated considerable resources to developing its metallurgical
process materials production facility, located in Aurora, Indiana, which AIMCOR
believes possesses the most sophisticated production and testing capabilities in
the industry. AIMCOR seeks to take advantage of its production and testing
capabilities to create technically sophisticated, low-cost alternatives to
higher cost raw materials and to improve profitability and grow its market share
as domestic steel producers search for cost-effective solutions to purify steel
and enhance their production processes.
 
    AGENCY AND TRADING.  AIMCOR's sales organization serves as the principal
United States sales force for AIMCOR's ferrosilicon, ferrovanadium and
metallurgical process materials businesses and as agents for foreign suppliers
of metals and alloys seeking distribution channels in North America. In
addition, product managers occasionally take advantage of opportunities where a
clear purchase and resale arbitrage exists.
 
    AIMCOR's agency and trading business complements its ferrosilicon,
ferrovanadium and metallurgical process materials production with a broad range
of foreign-supplied metals and alloys. In addition, management believes that the
sales organization's contact and familiarity with foreign suppliers, coupled
with the Carbon Products group's extensive customer relationships, provide an
excellent opportunity to expand its market presence.
 
                                      S-18
<PAGE>
    FLUORSPAR.  Fluorita de Mexico ("FDM"), a producer of high quality acid
grade fluorspar, is a partnership between Corporation Alfil and AIMCOR, which
own 51% and 49% of the partnership, respectively. High quality acid-grade
fluorspar is used in the production of fluorine acids and aluminum fluoride. FDM
is the second-largest producer of fluorspar in Mexico, and most of its
production is sold locally. AIMCOR handles all of FDM's sales to the United
States.
 
    FDM's mine is located in Coahuila in the northwest portion of Mexico, and is
situated on substantial fluorspar reserves. Proven reserves have been identified
for at least six years with probable reserves projected for more than 100 years.
Additionally, FDM has a processing facility in Muizquiz, Mexico, approximately
100 miles from the mine with production capacity estimated at 150,000 metric
tons per year and recent production just below 100,000 metric tons per year.
 
    FDM is currently expanding mine development and AIMCOR expects that FDM will
gradually increase production to 125,000 metric tons per year by 1999. AIMCOR
believes that demand for fluorspar will grow in the coming years as replacement
products for chlorinated fluorocarbons and improved hydrochlorinated
fluorocarbons require heavier concentrations of fluorspar.
 
WATER TRANSMISSION PRODUCTS
 
    U.S. Pipe, headquartered in Birmingham, Alabama, conducts its business
through its Pressure Pipe Division and Castings Division. The Pressure Pipe
Division manufactures and sells a broad line of ductile iron pressure pipe, pipe
fittings, valves and hydrants. It is one of the nation's largest producers of
ductile iron pressure pipe. The Castings Division produces and sells a wide
variety of gray and ductile iron castings.
 
    PRESSURE PIPE DIVISION
 
    The Pressure Pipe Division manufactures and markets a complete line of
ductile iron pipe ranging from 4" to 64" in diameter as well as equivalent
metric sizes, at lengths up to 20 feet. In addition, this division produces and
sells a full line of fittings, valves and hydrants of various configurations to
meet municipal specifications. Approximately 70%-75% of the ductile iron
pressure pipe produced by this division is used in the transmission and
distribution of potable water and the remaining 25%-30% is used in the
transmission of waste water and industrial applications. The majority of ductile
iron pressure pipe and related fittings, valves and hydrants are for new
distribution systems. The market for rehabilitation, upgrading and replacement
of pipe systems accounts for approximately 30% of ductile iron pressure pipe
sales. Fittings, valves and hydrants produced by this division account for
approximately 20% of sales.
 
    Ductile iron pressure pipe is manufactured by the deLavaud centrifugal
casting process and is typically classified into three size categories: 1) Small
pipe, ranging from 4" to 12" in diameter (approximately 59% of the division's
pipe production), used primarily for potable water distribution systems and
small water system grids; 2) Medium pipe, ranging from 14" to 24" in diameter
(approximately 25% of the division's pipe production), used primarily in
reinforcing distribution systems, including looping grids and supply lines; and
3) Large pipe, 30" to 64" in diameter (which accounts for the remaining 16% of
pipe production), used for major water and waste water transmission and
collection systems.
 
    The ductile iron pressure pipe industry is highly competitive, with a small
number of manufacturers of ductile iron pressure pipe, fittings, valves and
hydrants. U.S. Pipe is one of the nation's largest producers of ductile iron
pressure pipe. Major ductile iron pipe competitors include McWane, Inc., Griffin
Ductile Iron Pipe Company and American Cast Iron Pipe Company. The division
competes with such other manufacturers of ductile iron pressure pipe on the
basis of price, customer service and product quality.
 
    Additional competition for ductile iron pressure pipe comes from pipe
composed of other materials, such as PVC, concrete, fiberglass, reinforced
plastic and steel. Although ductile iron pressure pipe is
 
                                      S-19
<PAGE>
typically more expensive than competing forms of pipe, customers choose ductile
iron for its quality, longevity, strength, ease of installation and lack of
maintenance problems.
 
    U.S. Pipe is also a manufacturer of ductile iron fittings. The Company
believes that McWane, Inc. has the largest market share in this market segment.
U.S. Pipe is not a major manufacturer of valves and hydrants.
 
    Products of the Pressure Pipe Division are sold primarily to contractors,
water works distributors, municipalities, private utilities and other
governmental agencies. Most ductile iron pressure pipe orders result from
contracts which are bid by contractors or directly issued by municipalities or
private utilities. An increasing portion of ductile iron pressure pipe sales are
made through independent water works distributors. The division maintains
numerous supply depots in leased space throughout the country which are used as
a source of pipe for start-up projects to support ongoing projects and to aid in
completing projects. The Pressure Pipe Division's sales are primarily domestic,
with foreign sales accounting for approximately 5% of dollar sales in 1997. In
June 1997, the Ministry of Electricity and Water of Qatar awarded U.S. Pipe a
contract for the supply of approximately 35,000 tons of ductile iron pipe and
500 tons of fitting. Deliveries under the contract are scheduled over the next
twelve months. U.S. Pipe has 36 regional sales offices in leased office space in
the United States.
 
    The order backlog of pressure pipe at May 31, 1997 was 108,341 tons, which
represents approximately three months' shipments, compared to 121,734 tons at
May 31, 1996.
 
    The Pressure Pipe Division manufactures ductile iron pressure pipe at four
owned plants located in (i) Bessemer, Alabama (581,000 square feet on 169 acres
of land); (ii) North Birmingham, Alabama (358,000 square feet on 61 acres of
land); (iii) Union City, California (121,000 square feet on 70 acres of land);
and (iv) Burlington, New Jersey (329,000 square feet on 109 acres of land).
These plants have annual rated capacities to produce 180,000 tons, 160,000 tons,
85,000 tons and 132,000 tons, respectively, of ductile iron pressure pipe based
on one shift per day. In addition, the division manufactures fittings, valves
and hydrants at its owned plant in Chattanooga, Tennessee (648,000 square feet
on 91 acres of land). The general offices located in Birmingham, Alabama contain
122,000 square feet of office space on 6 acres of owned land.
 
    While the pipe business is generally sensitive to recessions because of its
partial dependence on the level of new construction activity, certain aspects of
Pressure Pipe's operations have in the past helped to reduce the impact of a
downturn in new construction. First, Pressure Pipe's products have experienced a
strong level of demand in the replacement market. The Company believes that
growth of the replacement market will accelerate as a result of anticipated
major expenditures by governmental entities, such as the New York, Boston,
Washington, D.C., Atlanta and Philadelphia municipalities, to rehabilitate water
transmission systems. In addition, Safe Drinking Water Act amendments, signed
into law in 1996, mandate that communities nationwide upgrade their water
transmission systems over the next 20 years in order to comply with new federal
water quality standards. A study by the Environmental Protection Agency
estimates that a minimum of $138 billion is needed for these improvements,
including $77 billion for the replacement of deteriorating potable water
transmission and distribution systems. The Company believes that this represents
a significant growth opportunity and that it is well positioned to take
advantage of this opportunity. Second, Pressure Pipe's facilities are located in
regions of the country that have exhibited consistent economic strength. The
Burlington, New Jersey plant is adjacent to the northeastern market with its
significant replacement potential and the division's operations in the South are
located in areas of steady economic growth. The West Coast, served by the Union
City, California plant, has a critical shortage of water for many of the large
metropolitan areas which will require major transmission pipelines in the
future. Because freight costs for pipe are high, locations close to important
markets lower transportation costs, thereby making the Pressure Pipe Division's
products more competitive.
 
                                      S-20
<PAGE>
    CASTINGS DIVISION
 
    The Castings Division produces a wide variety of gray and ductile iron
castings for a diversified customer base, including special hardness castings
for the pollution control industry. In the year ended May 31, 1997,
approximately 55% of the Division's castings sales were directed to the Pressure
Pipe Division, with the balance of sales to various capital goods industries.
Manufacturing operations are located in Anniston, Alabama (240,000 square feet
on 21 acres of owned land).
 
NATURAL RESOURCES
 
    JIM WALTER RESOURCES
 
    The operations of Jim Walter Resources are conducted through its Mining
Division, which mines and sells coal from four deep shaft mines in Alabama, and
its De-Gas Division, which extracts and sells methane gas from the coal seams
owned or leased by Jim Walter Resources.
 
    MINING DIVISION.  The Mining Division, headquartered in Brookwood, Alabama,
has approximately 9.7 million tons of rated annual coal production capacity from
four deep shaft mines. These mines extract coal from Alabama's Blue Creek seam,
which contains high-quality metallurgical coal. This coal can be used as coking
coal as well as steam coal because it meets current environmental compliance
specifications. Blue Creek coal offers high coking strength with low coking
pressure, low sulfur and low-to-medium ash content with high BTU values and can
be sold either as metallurgical coal, used to produce coke, or as compliance
steam coal, used by electric utilities. The current market price of
metallurgical coal generally exceeds the market price of compliance steam coal.
The mines are located in west central Alabama between the cities of Birmingham
and Tuscaloosa.
 
    The majority of coal is mined using longwall extraction technology,
complemented by the more standard continuous mining method. By replacing more
traditional methods of underground mining with longwall technology, the Mining
Division has achieved greater production efficiency, improved safety, generated
superior coal recovery results and lowered production costs. There are
approximately 70 longwall mining systems in use in the United States, of which
the Mining Division currently operates seven. The Mining Division's normal
operating plan is a longwall/continuous miner ratio of about 75%/25%, which is
the sustainable long-term ratio.
 
    Recoverable reserves were estimated to be approximately 233 million tons as
of May 31, 1997, of which 208 million tons relate to the four Blue Creek Mines.
A summary of reserves is as follows:
 
           ESTIMATED RECOVERABLE(1) COAL RESERVES AS OF MAY 31, 1997
                             (IN THOUSANDS OF TONS)
<TABLE>
<CAPTION>
                                                                                   TYPE (4)
                                                                                   ---------      JIM WALTER
                                                                                   STEAM (S)      RESOURCES'
                                    RESERVES(2)              CLASSIFICATIONS(3)       OR           INTEREST
                           ------------------------------   --------------------   METALLUR-   -----------------
MINING PROPERTY             TOTAL   ASSIGNED   UNASSIGNED   MEASURED   INDICATED   GICAL(M)    OWNED   LEASED(5)
- -------------------------  -------  --------   ----------   --------   ---------   ---------   ------  ---------
<S>                        <C>      <C>        <C>          <C>        <C>         <C>         <C>     <C>
No. 3 Mine...............   57,877    57,877      --          42,192    15,685        S/M       1,440     56,437
No. 4 Mine...............   69,133    69,133      --          46,945    22,188        S/M       5,696     63,437
No. 5 Mine...............   24,056    24,056      --          20,111     3,945        S/M      22,081      1,975
No. 7 Mine...............   56,661    56,661      --          44,337    12,324        S/M      19,257     37,404
                           -------  --------   ----------   --------   ---------               ------  ---------
                           207,727   207,727      --         153,585    54,142                 48,474    159,253
Bessie (8)...............   24,919     --        24,919       14,880    10,039       --           658     24,261
                           -------  --------   ----------   --------   ---------               ------  ---------
TOTAL....................  232,646   207,727     24,919      168,465    64,181                 49,132    183,514
                           -------  --------   ----------   --------   ---------               ------  ---------
                           -------  --------   ----------   --------   ---------               ------  ---------
 
<CAPTION>
 
                                QUALITY(6)          PRODUCTION(7)
                           --------------------  -------------------
MINING PROPERTY            ASH   SULF.   BTU/LB  1995   1996   1997
- -------------------------  ----  -----   ------  -----  -----  -----
<S>                        <C>   <C>     <C>     <C>    <C>    <C>
No. 3 Mine...............   8.2   0.56   14,469  1,730  2,084  2,198
No. 4 Mine...............   9.4   0.69   14,240  2,448  2,542  2,129
No. 5 Mine...............   8.8   0.66   14,334    948    893    801
No. 7 Mine...............   8.0   0.65   14,499  2,501  2,347  2,513
                                                 -----  -----  -----
                                                 7,627  7,866  7,641
Bessie (8)...............  11.0   1.30   13,655   --     --     --
                                                 -----  -----  -----
TOTAL....................                        7,627  7,866  7,641
                                                 -----  -----  -----
                                                 -----  -----  -----
</TABLE>
 
- ------------------------
 
(1) "Recoverable" reserves are defined as tons of mineable coal in the Blue
    Creek and Mary Lee seams which can be extracted and marketed after deduction
    for coal to be left in pillars, etc. and adjusted for reasonable preparation
    and handling losses.
 
                                      S-21
<PAGE>
(2) "Assigned" reserves represent coal which has been committed by Jim Walter
    Resources to its operating mines and plant facilities. "Unassigned" reserves
    represent coal which is not committed to an operating mine and would require
    additional expenditures to recover. The division of reserves into these two
    categories is based upon current mining plans, projections and techniques.
 
(3) The recoverable reserves (demonstrated resources) are the sum of "Measured"
    and "Indicated" resources. Measured coal extends 1/4 mile from any point of
    observation or measurement. Indicated coal is projected to extend from 1/4
    mile to 3/4 mile from any point of observation or measurement. Inferred coal
    extends from 3/4 mile to 3 miles from any point of observation or
    measurement. Inferred reserves are not included in recoverable reserves.
 
(4) All of the coal in the Blue Creek and Mary Lee seams is suitable for
    metallurgical purposes although, for marketing reasons, some is sold as
    compliance steam coal.
 
(5) The leases are either renewable until the reserves are mined to exhaustion
    or are of sufficient duration to permit mining of all of the reserves before
    the expiration of the term.
 
(6) Values shown are weighted averages of all reserves and are calculated on a
    dry basis. Bessie Mine reserves are equivalent to preparation at a 1.60
    specific gravity, whereas the others are at a 1.40 specific gravity.
 
(7) Production for 1997, 1996 and 1995 is for the fiscal years ended May 31.
 
(8) The Bessie Mine was closed in August 1988.
 
    Environmental expenditures imposed by laws relating to deep shaft mining
have been insignificant to date and no substantial expenditures are expected in
the future. The Mining Division does not engage in any surface (strip) mining.
 
    The facilities of the Mining Division are summarized as follows:
 
<TABLE>
<CAPTION>
FACILITY                                            LOCATION         SQ. FOOTAGE
- ---------------------------------------------  ------------------  ----------------
<S>                                            <C>                 <C>
Administrative headquarters..................  Brookwood, AL                 41,500
Central shop, supply center and
  training center............................  Brookwood, AL                128,400
</TABLE>
 
<TABLE>
<CAPTION>
                                                                       CURRENT
OPERATING MINES                                     LOCATION        RATED CAPACITY
- ---------------------------------------------  ------------------  ----------------
<S>                                            <C>                 <C>
Blue Creek No. 3.............................  Adger, AL           2,600,000 tons
Blue Creek No. 4.............................  Brookwood, AL       2,700,000 tons
Blue Creek No. 5.............................  Brookwood, AL       1,800,000 tons
Blue Creek No. 7.............................  Brookwood, AL       2,600,000 tons
</TABLE>
 
    Of the Mining Division's approximately 9.7 million tons of current rated
annual production capacity, 4.88 to 5.10 million tons are sold under long-term
contracts, leaving 4.60 to 4.82 million tons to be sold under short-term
contracts or on the spot market.
 
    Jim Walter Resources' ability to export its products to overseas markets,
such as Argentina, Belgium, Brazil, France, Germany, Japan, Mexico, Turkey and
the United Kingdom, is facilitated by its proximity to the Port of Mobile,
Alabama, which has a terminal suited for coal transportation.
 
    Jim Walter Resources' supply contract with Alabama Power, which had been in
effect since January 1, 1979, as amended, was superseded by a new agreement
executed on May 10, 1994 (the "New Alabama Power Contract"). Under the New
Alabama Power Contract, Alabama Power purchases 4.0 million tons of compliance
steam coal per year from Jim Walter Resources through August 31, 1999 at prices
which are currently significantly above market prices for metallurgical coal as
well as compliance steam coal. The New Alabama Power Contract has a fixed price
subject to an escalation based on the Consumer Price Index and adjustments for
governmental impositions and quality. The New Alabama Power Contract includes
favorable modifications of specification, shipping deviations and changes in
transportation arrangements. See "Certain Risk Factors--Risk of Business
Downturn; Expiration of Long-Term Contract" in the accompanying Prospectus.
 
    Jim Walter Resources and Cockerill Sambre are parties to a long-term
contract which expires on December 31, 2000. The contract provides for the sale
of approximately 880,000 tons annually, with an
 
                                      S-22
<PAGE>
option on approximately 220,000 additional tons annually. The pricing mechanism
is market driven and reflects changes in prices of three specific coals or coal
indices.
 
    Blue Creek Mine No. 5 ("Mine No. 5") was shut down from November 17, 1993
through December 16, 1993 and from early April 1994 until May 16, 1994 as a
result of a fire due to spontaneous combustion heatings caused by pyritic sulfur
concentrations occurring in the mine's coal seam being exposed to air by the
mining process. Representatives of Jim Walter Resources, the Mine Safety and
Health Administration ("MSHA"), Alabama State Mine Inspectors and the United
Mine Workers of America ("UMWA") agreed that the longwall coal panel being mined
in Mine No. 5 at the time the fire recurred in April 1994 would be abandoned and
sealed off. Development mining for the two remaining longwall coal panels in
this section of the mine resumed on May 16, 1994 and mining on the first
longwall panel resumed on January 17, 1995. Production was adversely impacted
until such date. As a result of the fire, the Company and Jim Walter Resources
claimed compensable losses in the amount of $25 million under their business
interruption insurance coverage. When the insurers refused to pay their pro rata
part of the claim, the Company commenced litigation seeking to enforce such
insurance. The insurers issued policies insuring various percentages of the
risk. The Company has entered into settlements with all of the insurers who, in
the aggregate, have paid $24 million in full and final settlement of the
Company's and Jim Walter Resources' claim.
 
    In late November 1995, Mine No. 5 experienced another fire due to the
unexpected recurrence of spontaneous combustion heatings and the mine was shut
down. Efforts to contain and extinguish the fire were successful; however,
conditions dictated the mine be shut down for several weeks. The affected coal
panels on the western side of the mine were then permanently sealed off in an
effort to prevent further combustion fires in this mine. Mining operations were
redeployed approximately five miles to the eastern side of the mine where more
favorable geological conditions exist. Firefighting and idle plant costs of
approximately $16 million associated with the November 1995 fire were not
insured since spontaneous combustion heatings caused by pyritic sulfur
concentrations in Jim Walter Resources' Mine No. 4 and No. 5 are now excluded
from the Company's and Jim Walter Resources' insurance policies. The affected
coal panels on the western side of the mine were sealed off and from December
1995 through March 1997 development work was accelerated on the eastern side of
Mine No. 5. The mine returned to production status in the fourth quarter of
fiscal 1997. Longwall production resumed in the eastern part of the mine in June
1997. While in development, the mine's costs ($40.7 million) were capitalized.
Jim Walter Resources three other mines remained in full production.
 
    DE-GAS DIVISION.  The De-Gas Division, through a joint venture headquartered
in Brookwood, Alabama, extracts and sells methane gas from the coal seams owned
or leased by Jim Walter Resources.
 
    The original motivation for the joint venture was to increase safety in Jim
Walter Resources' Blue Creek mines by reducing methane gas concentrations with
wells drilled in conjunction with the mining operations. There were 390 wells
producing approximately 45 million cubic feet of gas per day, as of May 1997. As
many as 63 additional wells are planned for development in fiscal 1998. The
degasification operation, as had originally been expected, has improved mining
operations and safety by reducing methane gas levels in the mines, as well as
being a profitable operation.
 
    The gas is transported through a 12-mile pipeline (owned and operated by
Black Warrior Transmission Corp., a corporation the stock of which is owned on a
50-50 basis by Jim Walter Resources and Sonat Exploration Company, an affiliate
of Southern Natural Gas Company ("SNG")), directly to SNG's pipeline.
 
    The De-Gas Division began operations in 1981 with the formation of an equal
joint venture with Kaneb Services, Inc. ("Kaneb") to capture and market methane
gas from the Blue Creek seam. SNG is the joint venture's exclusive customer for
all output of methane gas, all of which was originally at a price tied to the
price of fuel oil in New York. Kaneb subsequently sold its 50% interest in the
degasification operation to an indirect wholly owned subsidiary of Sonat, Inc.
In connection with this sale, additional areas were
 
                                      S-23
<PAGE>
added to the gas sales contract. This gas was priced at a market price nominated
by SNG which was not to be lower than the published price for spot purchases for
SNG-South Louisiana for the applicable month. Effective January 1, 1994, the gas
sales contract was amended. The price to be paid for gas delivered to SNG is now
equal to the average of two published spot prices; provided, however, that the
price will not be less than $2.00 per MMBTU (approximately $1.96 per MCF) on a
weighted annual basis, calculated cumulatively each month. The contract also
calls for SNG to pay Jim Walter Resources a reservation fee of $675,000 per
month through December 31, 2001, provided certain minimum quantities of gas are
delivered. Black Warrior Methane Corp., a corporation the stock of which is
owned on a 50-50 basis by Jim Walter Resources and Sonat Exploration Company,
manages the operational activities of the joint venture.
 
    UNITED LAND
 
    United Land Corporation ("United Land") owns approximately 40,000 acres of
land, 141,000 acres of mineral rights and 1,300 acres of surface rights,
principally in Alabama.
 
    United Land receives royalties resulting from leases to strip coal miners,
gas producers and timber companies. When market conditions are favorable,
management expects from time to time to sell excess real estate from the
holdings of United Land not utilized by any of the other subsidiaries of the
Company.
 
INDUSTRIAL PRODUCTS
 
    JW ALUMINUM
 
    JW Aluminum, headquartered in Mt. Holly, South Carolina, is a leading
producer of custom-coated fin stock, used in heating and air conditioning
applications, and telecommunications cable wrap. JW Aluminum's other foil and
sheet products are used in a variety of applications such as lithoplate for
newspapers and as a facer on foam insulation products. Aluminum sheet products
are primarily used for general building applications such as siding, gutters,
downspouts, roofing, mobile home siding and skirting, residential siding and
window components.
 
    JW Aluminum sold 135.6 million pounds of aluminum products in fiscal 1997,
of which 27% was in the form of sheet products and 73% in the form of foil
products. JW Aluminum has focused on directing its product mix towards higher
value added products such as fin stock, where quality and service are relied
upon more than price-driven commodity products.
 
    JW Aluminum operates a single manufacturing 300,000 square foot facility in
Mt. Holly, South Carolina on 30 acres of owned land. JW Aluminum's current rated
capacity is 150 million pounds per year based on its present product mix. A
two-year, $31.0 million expansion project is currently underway which will add
65,000 square feet of production space and increase JW Aluminum's capacity 60%
to approximately 240 million pounds per year at completion.
 
    SLOSS INDUSTRIES
 
    Sloss Industries is a diversified manufacturing operation, headquartered in
Birmingham, Alabama, which has four major product lines: (1) foundry coke; (2)
furnace coke; (3) slag wool; and (4) specialty chemicals.
 
    Foundry coke is marketed to cast iron pipe plants and foundries producing
castings, such as for the automotive and agricultural equipment industries. It
is shipped primarily into four geographic markets: the East Coast; the
Southeast; Mexico and the West Coast. Competition comes primarily from three
merchant suppliers: ABC Coke, Koppers Company, Inc. and Empire Coke Company. In
the year ended May 31, 1997, approximately 61% of the foundry coke produced by
Sloss Industries was sold to U. S. Pipe.
 
    Furnace coke is sold primarily to the domestic steel industry for producing
steel in blast furnaces. Furnace coke sales have been at capacity over the past
years to satisfy a long-term contract with National
 
                                      S-24
<PAGE>
Steel Corporation. Sloss Industries has only an estimated 1% share of the
furnace coke market. Competition comes primarily from Koppers Company, Inc. in
the southern United States, Citizens Gas & Coke Utility and steel producers with
excess coking capacity in the Midwest.
 
    Slag wool is an insulating fiber utilized principally as a raw material by
acoustical ceiling manufacturers. It is also used in manufactured-home
insulation, plastics molding and asphalt paving systems where it is used as a
bonding agent. A related product, processed mineral fiber, is used in friction
materials and thermoplastic molding compounds, adhesives, paints and sealants.
The continued success of the slag wool business depends upon Sloss Industries'
ability to produce ceiling tile fiber of consistent high quality and react to
customer demands for specific "customized" fiber composition. Of the total slag
wool sales in the year ended May 31, 1997, approximately 72% was sold to
Armstrong World Industries and 20% to Celotex.
 
    Specialty chemical products are manufactured in plants located in Birmingham
and Ariton, Alabama. The Birmingham product line is composed primarily of
aromatic sulfonic acids and sulfonyl chlorides used in the pharmaceutical,
plasticizer, foundry and coatings industries, as well as a custom manufactured
specialty monomer for the plastics industry. The Ariton facility produces custom
manufactured specialty products for the rubber and plastics industries.
 
    Sloss Industries' manufacturing facilities are located in Birmingham,
Alabama and include: 120 coke ovens with an annual rated capacity of 410,000
tons and related buildings of 148,400 square feet, a slag wool plant with an
annual rated capacity of 102,000 tons in a building of 63,000 square feet and a
synthetic chemicals plant in a building of 63,300 square feet, all on 521 acres
of owned land. Sloss Industries also operates a specialty chemical facility in
Ariton, Alabama in a building of 6,880 square feet, on 53 acres of owned land.
 
    JW WINDOW COMPONENTS
 
    JW Window Components Inc. ("JW Window Components") produces a variety of
screens and screen components and a full line of window components, such as
extruded aluminum components, weatherstripping, sash balances and spiral
balances. The Company estimates that 60% of total sales are directed to the new
construction market, 30% to the renovation market and 10% to the commercial
sector.
 
    JW Window Components' products are sold through a network of independent
sales agents, covering the continental United States, the Caribbean and Central
America.
 
    JW Window Components' operates three plants located in Elizabethton,
Tennessee (190,000 square feet on 25 acres of owned land); Sioux Falls, South
Dakota (50,000 square feet on 3 acres of owned land); and Merrill, Wisconsin
(54,000 square feet of leased space). The administrative offices located in
Elizabethton, Tennessee contain 8,500 square feet of leased office space.
 
    SOUTHERN PRECISION
 
    Southern Precision Corporation ("Southern Precision") is the largest
producer of specialized industrial tooling products and resin coated sand in the
Southeast.
 
    Southern Precision's Irondale, Alabama manufacturing facility incorporates
the plant, warehouse and administrative functions in 78,000 square feet of
building space located on 6 acres of owned land. Products and services provided
at this location include: wood and metal pattern tooling; computerized,
numerically controlled machining for industries such as satellite and aircraft
communications, aerospace and glass machines; plastic injection, compression and
rubber molds; aluminum castings; and general machining of fabrications, castings
and plates.
 
    Southern Precision's Birmingham, Alabama manufacturing facility (27,500
square feet on 5 acres of owned land) produces a coated sand for production of
shell cores for the foundry industry.
 
                                      S-25
<PAGE>
    VESTAL MANUFACTURING
 
    Vestal Manufacturing Company ("Vestal") produces a diversified line of metal
and foundry products for residential, commercial and industrial use. Vestal
manufactures a line of energy saving fireplaces, fireplace inserts, accessories
and wood-burning stoves, as well as lightweight castings for municipal markets
and metal building products, including meter boxes and covers, valve boxes and
covers and manhole covers. Its products are sold through a network of
independent sales agents to hardware and building material distributors, home
centers and mass merchandisers throughout the United States and Canada.
 
    Vestal's performance to a large extent is tied to residential construction.
Foreign competition has also been a factor in recent years.
 
    Vestal, located in Sweetwater, Tennessee, operates a foundry with 103,000
square feet of building, a steel fabrication plant with 109,000 square feet and
an administrative office containing 7,000 square feet, all on 46 acres of owned
land.
 
EMPLOYEES
 
    As of May 31, 1997, the Company and its subsidiaries employed 7,584 people,
of whom 4,784 were hourly workers and 2,800 were salaried employees.
Approximately 4,200 employees were represented by unions under collective
bargaining agreements, of which approximately 1,730 were covered by one contract
with the UMWA, which expires on August 1, 1998. The Company considers its
relations with its employees to be satisfactory.
 
MANAGEMENT
 
    Set forth below is a list showing the names, ages (as of January 1, 1998)
and positions of the executive officers of the Company.
 
<TABLE>
<CAPTION>
NAME                                     AGE                                      OFFICE
- -----------------------------------      ---      -----------------------------------------------------------------------
<S>                                  <C>          <C>
Kenneth E. Hyatt...................          57   Chairman, President and Chief Executive Officer
Richard E. Almy....................          55   Director, Executive Vice President and Chief Operating Officer
Dean M. Fjelstul...................          55   Senior Vice President and Chief Financial Officer
Robert W. Michael..................          56   Senior Vice President and Group Executive
William N. Temple..................          65   Senior Vice President and Group Executive and Chairman of U.S. Pipe
Frank A. Hult......................          46   Vice President, Controller and Chief Accounting Officer
Edward A. Porter...................          51   Vice President--General Counsel and Secretary
David L. Townsend..................          43   Vice President--Administration
Ralph E. Fifield...................          52   President and Chief Operating Officer of U.S. Pipe
George R. Richmond.................          47   President and Chief Operating Officer of Jim Walter Resources
Peter Scott-Hansen.................          55   President and Chief Executive Officer of AIMCOR
</TABLE>
 
    Kenneth E. Hyatt has been Chairman of the Board and Chief Executive Officer
of the Company since June 1, 1996 and has been President of the Company since
September 1, 1995. Between September 1, 1995 and June 1, 1996, Mr. Hyatt also
served as Chief Operating Officer of the Company. Mr. Hyatt was elected a
director on September 12, 1995. Mr. Hyatt served as President and Chief
Executive Officer and a director of Celotex from 1990 until shortly prior to his
election, effective September 1, 1995, as President and Chief Operating Officer
of the Company. Mr. Hyatt held various management and executive positions with
various subsidiaries of Original Jim Walter from 1966 until 1984, at which time
he was named Vice President and Group Executive of Original Jim Walter. In 1986,
he was elected Executive Vice President and Chief Operating Officer of Original
Jim Walter. Following Original Jim Walter's leveraged buyout in
 
                                      S-26
<PAGE>
1988 by a group of investors led by Kohlberg Kravis Roberts & Co., L.P. ("KKR"),
Mr. Hyatt joined with an investor group in the acquisition of Celotex and
certain related entities. In October 1990 Celotex and one of its subsidiaries
filed voluntary petitions for reorganization under Chapter 11 of the United
States Bankruptcy Code in the Bankruptcy Court for the Middle District of
Florida, Tampa Division as a result of massive litigation involving
asbestos-related liabilities. The plan of reorganization for Celotex was
confirmed in December 1996 and became effective in May 1997. The trust
established pursuant to that plan of reorganization is a principal stockholder
of the Company.
 
    Richard E. Almy has been Executive Vice President and Chief Operating
Officer of the Company since June 1996. Previously, Mr. Almy was President and
Chief Operating Officer at JW Aluminum (1991-1996) and JW Window Components
(1995-1996).
 
    Dean M. Fjelstul has been Senior Vice President and Chief Financial Officer
of the Company since October 1996. Between June 1, 1996 and October 1, 1996, Mr.
Fjelstul served as Senior Vice President - Finance of the Company. Previously,
he was employed by Alliant Techsystems as Vice President and Chief Financial
Officer (1990-1996). Prior thereto he served in various financial management
capacities with Honeywell, Inc. during a 22 year tenure with that company.
 
    Robert W. Michael has been a Senior Vice President and Group Executive of
the Company since 1991 and President and Chief Operating Officer of Jim Walter
Homes since 1984. He also served as Vice President of Original Jim Walter from
1984 to 1988. Prior thereto, he was Vice President-Sales (1975-1984), a Regional
Manager (1973-1975), an Assistant Regional Manager (1970-1973), a Main Branch
Manager (1967-1970) and a Sub-Branch Manager (1966-1967) with Jim Walter Homes
and held various managerial positions with Mid-State Homes (1964-1966).
 
    William N. Temple has been a Senior Vice President and Group Executive of
the Company since 1991 and Chairman of U.S. Pipe since August 1997. Mr. Temple
has announced his intention to retire in January 1998. Prior to becoming
Chairman of U.S. Pipe, Mr. Temple was President and Chief Operating Officer of
U.S. Pipe since 1993; he was a Vice President of the Company from 1988 to 1991
and from 1974 was a Vice President of Original Jim Walter. Previously he served
as President of the former Fasteners and Special Products Division of U.S. Pipe
and Vice President of U.S. Pipe (1972-1974), President of the former
Southeastern Bolt and Screw division of U.S. Pipe (1971-1974) and Controller of
U.S. Pipe (1965-1971).
 
    Frank A. Hult has been a Vice President, Controller and the Chief Accounting
Officer of the Company since 1995. Previously, he was a Vice President (since
1994), the Controller (since 1991), Assistant Controller and Chief Accountant
(1989-1991) and Manager of Budgets (1988-1989) of the Company. Prior thereto he
was Manager of Budgets (1984-1988) and Financial Analyst (1978-1981) of Original
Jim Walter and Manager-Operations Administration (1981-1984), Plant Controller
and Cost Accountant (1974-1975) for Celotex.
 
    Edward A. Porter has been Vice President, General Counsel and Secretary of
the Company since January 1996. Previously, he was employed by National Gypsum
Company as Senior Vice President-Administration, General Counsel and Secretary
(1993-1995); Vice President-Administration, General Counsel and Secretary
(1988-1993); and held various legal positions (1980-1988).
 
    David L. Townsend has been a Vice President of the Company since 1988.
Previously, he served as a Vice President-Human Resources and Public Relations
(1994-1996) and Vice President-Public Relations (1988-1994) of the Company.
Prior thereto he served as a Vice President-Public Relations (since 1983),
Director of Public Relations (1982-1983) and Manager of Public Relations
(1980-1982) of Original Jim Walter, and in various staff positions (1978-1980)
with Original Jim Walter.
 
    Ralph E. Fifield has been President and Chief Operating Officer of U.S. Pipe
since August 1, 1997, succeeding William Temple as President and Chief Operating
Officer upon Mr. Temple's assuming the position of Chairman of U.S. Pipe at such
time in anticipation of his retirement effective January 31, 1998. Previously,
Mr. Fifield served since 1994 as President of United States Steel/Kobe Steel
Company, a joint
 
                                      S-27
<PAGE>
venture with annual revenues of approximately $770 million. Prior thereto he was
Corporate Vice President-Operations of United States Steel Corporation
(1991-1994), General Manager of its Fairfield, Alabama (1990-1991) and Fairless,
Pennsylvania plants (1988-1990), and Plant Manager of its South Works plant in
Chicago (1984-1988), and he served in a series of plant engineering positions at
its Gary, Indiana plant (1969-1984).
 
    George R. Richmond has been President and Chief Operating Officer of Jim
Walter Resources since June 1, 1997, succeeding William Carr as President and
Chief Operating Officer upon Mr. Carr's retirement on May 31, 1997. Previously
he served as Senior Vice President of Operations (since 1993) and Vice President
of Operations (1992). Prior thereto he was Deputy Mine Manager and No. 3 Mine
Manager, Longwall Manager, Master Mechanic and Longwall Mechanical Engineer.
 
    Peter Scott-Hansen has been President and Chief Executive Officer of AIMCOR
since it was acquired by Walter Industries in October 1997. Prior to that, he
was President of the Carbon Products division of AIMCOR since 1986. Previously,
he was president of the Carbon Products Group of International Minerals and
Chemical Corporation ("IMC"), a predecessor of AIMCOR, since 1980. Mr.
Scott-Hansen began his career with IMC in 1968, and has held various positions
in international marketing, transportation and operations.
 
    Executive officers serve at the pleasure of the Board of Directors. The
Company is not aware of any family relationships among any of the foregoing
executive officers.
 
                              SELLING STOCKHOLDERS
 
    The following table sets forth certain information with respect to the
beneficial ownership of the Company's Common Stock by each of the Selling
Stockholders as of January 1, 1998, and as adjusted to reflect the sale of the
Common Stock being offered hereby by each of the Selling Stockholders. Pursuant
to the Company's Amended Joint Plan of Reorganization and the Company's Restated
Certificate of Incorporation, two of the nine directors of the Company are
designated by Lehman Brothers Inc., an affiliate of Lehman Brothers Holdings.
Following the Offering, the number of directors that are so designated by Lehman
Brothers Inc. may be reduced to one and the number of directors designated by
Kohlberg Kravis Roberts & Co., L.P. may be increased by one. See "The
Company--Recent History," "Certain Risk Factors--Certain Corporate Governance
Matters; Antitakeover Legislation" and "Description of Capital
Stock--Stockholders' Agreement," "--Tag-Along and Voting Rights Agreement," and
"--Common Stock Registration Rights Agreements" in the accompanying Prospectus.
 
<TABLE>
<CAPTION>
                                                                                   NUMBER OF
                                                         BENEFICIAL OWNERSHIP      SHARES TO    BENEFICIAL OWNERSHIP
                                                         PRIOR TO THE OFFERING    BE SOLD IN    AFTER THE OFFERING(1)
                                                       -------------------------      THE      -----------------------
NAME                                                      NUMBER      PERCENT*     OFFERING      NUMBER     PERCENT*
- -----------------------------------------------------  ------------  -----------  -----------  ----------  -----------
<S>                                                    <C>           <C>          <C>          <C>         <C>
Asbestos Settlement Trust............................    10,941,326       20.4%    6,979,796    3,961,530        7.4%
Lehman Brothers Holdings Inc.........................     7,869,525       14.7%    5,020,204    2,849,321        5.3%
</TABLE>
 
- ------------------------
 
   
*   All percentages in the table are based on 53,695,790 shares of Common Stock
    being issued and outstanding.
    
 
(1) If the over-allotment options granted by the Settlement Trust to the U.S.
    Underwriters and the International Managers are exercised in full, the
    Settlement Trust will beneficially own 2,161,530 shares (4.0% of issued and
    outstanding Common Stock) after the Offering.
 
                                      S-28
<PAGE>
                                  UNDERWRITING
 
    The underwriters of the U.S. Offering named below (the "U.S. Underwriters")
have severally agreed, subject to the terms and conditions of the U.S.
Underwriting Agreement among the U.S. Underwriters, the Company and the Selling
Stockholders (the "U.S. Underwriting Agreement"), to purchase from the Selling
Stockholders, and the Selling Stockholders have severally agreed to sell to each
U.S. Underwriter, the aggregate number of Shares set forth opposite their
respective names below.
 
<TABLE>
<CAPTION>
                                                                                     NUMBER
             U.S. UNDERWRITERS                                                     OF SHARES
- --------------------------------------------------------------------------------  ------------
<S>                                                                               <C>
Lehman Brothers Inc.............................................................
Donaldson, Lufkin & Jenrette Securities Corporation.............................
Merrill Lynch, Pierce, Fenner & Smith
          Incorporated..........................................................
Smith Barney Inc................................................................
Arnhold and S. Bleichroeder, Inc................................................
 
                                                                                  ------------
        Total...................................................................    10,000,000
                                                                                  ------------
                                                                                  ------------
</TABLE>
 
    The managers of the International Offering named below (the "International
Managers") have severally agreed, subject to the terms and conditions of the
International Underwriting Agreement among the International Managers, the
Company and the Selling Stockholders (the "International Underwriting
Agreement"), to purchase from the Selling Stockholders, and the Selling
Stockholders have severally agreed to sell to each International Manager, the
aggregate number of Shares set forth opposite their respective names below.
 
<TABLE>
<CAPTION>
                                                                                     NUMBER
             INTERNATIONAL MANAGERS                                                OF SHARES
- ---------------------------------------------------------------------------------  ----------
<S>                                                                                <C>
Lehman Brothers International (Europe)...........................................
Donaldson, Lufkin & Jenrette International.......................................
Merrill Lynch International......................................................
Smith Barney Inc.................................................................
Arnhold and S. Bleichroeder, Inc.................................................
                                                                                   ----------
        Total....................................................................   2,000,000
                                                                                   ----------
                                                                                   ----------
</TABLE>
 
    The U.S. Underwriting Agreement and the International Underwriting Agreement
(collectively, the "Underwriting Agreements") provide that the obligations of
the U.S. Underwriters and the International Managers, respectively, to purchase
Shares are subject to the approval of certain legal matters by counsel and to
certain other conditions. Each Underwriting Agreement provides that, if any of
the Shares are purchased pursuant to such Underwriting Agreement, all the Shares
agreed to be purchased pursuant to such Underwriting Agreement must be so
purchased. The offering price and underwriting discounts and commissions for the
U.S. Offering and the International Offering are identical. The closing of the
International Offering is a condition to the closing of the U.S. Offering and
the closing of the U.S. Offering is a condition to the closing of the
International Offering.
 
    The Settlement Trust has granted to the U.S. Underwriters and the
International Managers options to purchase up to an additional 1,500,000 and
300,000 shares of Common Stock, respectively, at the public offering price, less
the aggregate underwriting discount, solely to cover over-allotments. Such
options may be exercised at any time within 30 days after the date of the
Underwriting Agreements. To the extent the U.S. Underwriters or the
International Managers exercise such options, each of the U.S. Underwriters or
the International Managers, as the case may be, will be committed, subject to
certain conditions, to
 
                                      S-29
<PAGE>
purchase a number of the additional shares of Common Stock proportionate to such
U.S. Underwriter's or International Manager's initial commitment as indicated in
the preceding tables.
 
    The Company and Selling Stockholders have agreed to indemnify the U.S.
Underwriters and the International Managers against certain liabilities,
including liabilities under the Securities Act, and to contribute to the
payments they may be required to make in respect thereto.
 
    The Company has been advised that the U.S. Underwriters and the
International Managers propose to offer Shares directly to the public initially
at the public offering price set forth on the cover page of this Prospectus
Supplement and to certain selected dealers (who may include the U.S.
Underwriters and the International Managers) at such public offering price less
a selling concession not to exceed $   per Share. The selected dealers may
reallow a concession not to exceed $   per Share to certain other dealers. After
the initial offering of the Shares, the concession to selected dealers and the
reallowance to other dealers may be changed.
 
    The U.S. Underwriters and the International Managers have entered into an
Agreement Among U.S. Underwriters and International Managers (the "Agreement
Among") pursuant to which each U.S. Underwriter has agreed that, as part of the
distribution of the Shares offered in the U.S. Offering, (a) it is not
purchasing any of such shares for the account of anyone other than a U.S. or
Canadian Person (as defined below) and (b) it has not offered or sold, and will
not offer, sell, resell or deliver, directly or indirectly, any of such shares
or distribute any prospectus relating to the U.S. Offering outside the United
States or Canada or to anyone other than a U.S. or Canadian Person. In addition,
pursuant to the Agreement Among, each International Manager has agreed that, as
part of the distribution of the Shares offered in the International Offering,
(a) it is not purchasing any of such shares for the account of any U.S. or
Canadian Person and (b) it has not offered or sold, and will not offer, sell,
resell or deliver, directly or indirectly, any of such shares or distribute any
prospectus relating to the International Offering within the United States or
Canada or to any U.S. or Canadian Person. The foregoing limitations do not apply
to stabilization transactions or to certain other transactions specified in the
Underwriting Agreements and the Agreement Among, including: (i) certain
purchases and sales between the U.S. Underwriters and the International
Managers; (ii) certain offers, sales, resales, deliveries or distributions to or
through investment advisors or other persons exercising investment discretion;
(iii) purchases, offers or sales by a U.S. Underwriter who is also acting as an
International Manager or by an International Manager who also is acting as a
U.S. Underwriter; and (iv) other transactions specifically approved by the U.S.
Underwriters and International Managers. As used herein, "U.S. or Canadian
Person" means any resident or citizen of the United States or Canada, any
corporation, pension, profit sharing or other trust or other entity organized
under or governed by the laws of the United States or Canada or any political
subdivision thereof (other than the foreign branch of the U.S. or Canadian
Person), any estate or trust the income of which is subject to United States or
Canadian federal income taxation regardless of the source of its income, and any
United States or Canadian branch of a person other than a U.S. or Canadian
Person. The term "United States" means the United States of America (including
the states thereof and the District of Columbia) and its territories, its
possessions and other areas subject to its jurisdiction. The term "Canada" means
the provinces of Canada, its territories, its possessions and other areas
subject to its jurisdiction.
 
    Pursuant to the Agreement Among, sales may be made among the U.S.
Underwriters and the International Managers of such number of Shares as may be
mutually agreed. The price of any Shares so sold shall be the public offering
price as then in effect for Common Stock being sold by the U.S. Underwriters and
International Managers, less an amount not greater than the selling concession
unless otherwise determined by mutual agreement. To the extent that there are
sales pursuant to the Agreement Among, the number of Shares initially available
for sale by the U.S. Underwriters and the International Managers may be more or
less than the amount specified on the cover page of this Prospectus Supplement.
 
    Each International Manager has represented and agreed that: (i) it has not
offered or sold and, prior to the date six months after the latest closing date
of the Offering, will not offer or sell any Shares to
 
                                      S-30
<PAGE>
persons in the United Kingdom except to persons whose ordinary activities
involve them in acquiring, holding, managing or disposing of investments (as
principal or agent) for the purposes of their businesses or otherwise in
circumstances which have not resulted and will not result in an offer to the
public in the United Kingdom within the meaning of the Public Offers of
Securities Regulations 1995; (ii) it has complied and will comply with all
applicable provisions of the Financial Services Act 1986 (the "1986 Act") with
respect to anything done by it in relation to the Common Stock in, from or
otherwise involving the United Kingdom; and (iii) it has only issued or passed
on, and will only issue or pass on, to any person in the United Kingdom, any
document received by it relating to the Shares if that person is of a kind
described in Article 11(3) of the 1986 Act (Investment Advertisements)
(Exemptions) Order 1995.
 
    No action has been taken or will be taken in any jurisdiction by the
Company, the Selling Stockholders, the U.S. Underwriters or the International
Managers that would permit a public offering of Shares in any jurisdiction where
action for that purpose is required, other than the United States. Persons into
whose possession this Prospectus comes are required by the Company, the Selling
Stockholders, the U.S. Underwriters and the International Managers to inform
themselves about, and to observe any restrictions as to, the offering of Shares
offered pursuant to the Offering and the distribution of this Prospectus
Supplement and the accompanying Prospectus.
 
    Purchasers of Shares offered hereby may be required to pay stamp taxes and
other charges in accordance with the laws and practices of the country of
purchase in addition to the offering price set forth on the cover page hereof.
 
    In connection with the Offering, the Company has agreed not to effect any
public offering or distribution of any shares of Common Stock or any securities
convertible into or exercisable or exchangeable for Common Stock for a period of
120 days after the date of this Prospectus Supplement, without the prior written
consent of Lehman and DLJ. In addition, certain directors, certain executive
officers and certain other stockholders of the Company have agreed not to effect
any sale or distribution of any shares of Common Stock or any securities
convertible into or exchangeable or exercisable for Common Stock for a period of
120 days after the date of this Prospectus Supplement without the prior written
consent of Lehman and DLJ or Lehman, as the case may be.
 
    Until the distribution of the Shares to be sold in the Offering is
completed, rules of the Securities and Exchange Commission may limit the ability
of the Underwriters and certain selling group members to bid for and purchase
shares of Common Stock. As an exception to these rules, the Representatives are
permitted to engage in certain transactions that stabilize the price of the
Common Stock. Such transactions may consist of bids or purchases for the purpose
of pegging, fixing or maintaining the price of the Common Stock.
 
    In addition, if the Underwriters over-allot (i.e., they sell more shares of
Common Stock than are set forth on the cover page of this Prospectus
Supplement), and thereby create a short position in the Common Stock in
connection with the Offering, the Representatives may reduce that short position
by purchasing Common Stock in the open market. The Representatives also may
elect to reduce any short position by exercising all or part of the
over-allotment options described herein.
 
    The Representatives may impose a penalty bid on certain Underwriters and
selling group members. This means that if the Representatives purchase Common
Stock in the open market to reduce the Underwriters' short position or to
stabilize the price of Common Stock, they may reclaim the amount of the selling
concession from the Underwriters and selling group members who initially resold
such shares as part of the Offering.
 
    In general, purchases of a security for the purpose of stabilization or to
reduce a short position could cause the price of the security to be higher than
it might otherwise be in the absence of such purchases. The imposition of a
penalty bid might also have an effect on the price of a security to the extent
that it were to discourage resales of the security.
 
                                      S-31
<PAGE>
    Neither the Company nor any Underwriter makes any representation or
prediction as to the direction or magnitude of any effect that any transaction
described above may have on the price of Common Stock. In addition, neither the
Company nor any Underwriter makes any representation that the U.S. Underwriters
will engage in such transactions or that such transactions, once commenced, will
not be discontinued without notice.
 
    Under Rule 2720 of the Conduct Rules of the National Association of
Securities Dealers ("Rule 2720"), the Company may be deemed an affiliate of
Lehman. The Offering is therefore being conducted in accordance with Rule 2720.
The U.S. Underwriters will not confirm any sales of Common Stock offered hereby
to discretionary accounts over which they exercise control without the prior
specific written approval of the customer.
 
    Lehman Brothers Inc. ("Lehman") is a wholly owned subsidiary of Lehman
Brothers Holdings, one of the Selling Stockholders.
 
    Lehman, Donaldson, Lufkin & Jenrette Securities Corporation, Merrill Lynch &
Co. and Salomon Brothers Inc each has acted as the Company's financial advisor
with respect to certain prior transactions and has received commercially
customary compensation in connection therewith. Any or all of the U.S.
Underwriters may serve as a financial advisor to the Company from time to time
in the future. Certain U.S. Underwriters or their affiliates may lend to or
participate on a regular basis in various general financing and banking
transactions with the Company.
 
                                 LEGAL MATTERS
 
    The validity of the Shares offered hereby has been passed upon for the
Company by Simpson Thacher & Bartlett (a partnership which includes professional
corporations), New York, New York. Certain legal matters will be passed upon for
the Underwriters by Paul, Weiss, Rifkind, Wharton & Garrison, New York, New
York.
 
                                    EXPERTS
 
    The financial statements incorporated in this Prospectus Supplement by
reference to the Annual Report on Form 10-K/A for the year ended May 31, 1997,
have been incorporated in reliance on the report of Price Waterhouse LLP,
independent accountants, given on the authority of said firm as experts in
auditing and accounting.
 
    The financial statements incorporated in this Prospectus Supplement by
reference to the audited historical financial statements of AIMCOR in the
Company's Current Report on Form 8-K/A filed with the Commission on December 29,
1997 have been incorporated in reliance on the report of Arthur Andersen LLP,
independent public accountants, given on the authority of said firm as experts
in auditing and accounting.
 
                                      S-32
<PAGE>
PROSPECTUS
 
                               29,270,227 SHARES
 
                            WALTER INDUSTRIES, INC.
 
                                  COMMON STOCK
 
    This Prospectus relates to the offering from time to time of up to
29,270,227 shares (the "Shares") of common stock, par value $.01 per share (the
"Common Stock"), that were issued by Walter Industries, Inc. (the "Company" or
"Walter Industries"), a Delaware corporation formerly named Hillsborough
Holdings Corporation, to certain former creditors and stockholders of the
Company and its subsidiaries pursuant to the Company's Amended Joint Plan of
Reorganization dated as of December 9, 1994, as modified on March 1, 1995 (as so
modified, the "Plan of Reorganization"), under Section 1123(a) of the United
States Bankruptcy Code (the "Bankruptcy Code") or, in the case of Channel One
Associates, L.P., were purchased in the open market. The Plan of Reorganization
became effective on March 17, 1995 (the "Effective Date of the Plan of
Reorganization"). Pursuant to the Plan of Reorganization, 50,494,313 shares of
Common Stock, including the Shares, were issued at that time.
 
    The Shares may be sold to the public from time to time by certain holders
thereof (the "Selling Security Holders") in the amount and in the manner
described herein or as may be set forth in a Prospectus Supplement accompanying
this Prospectus. The Company will receive no proceeds from the sale of any of
the Shares by any of the Selling Security Holders. See "Plan of Distribution."
 
                            ------------------------
 
    SEE "CERTAIN RISK FACTORS" FOR INFORMATION CONCERNING CERTAIN RISKS
ASSOCIATED WITH AN INVESTMENT IN ANY OF THE SHARES.
 
   
    The Company's Common Stock is listed on The New York Stock Exchange, Inc.
(the "NYSE") under the symbol "WLT". On January 14, 1998, the last reported sale
price of the Common Stock on the NYSE was $20 1/8 per share.
    
 
                            ------------------------
 
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
     EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
        SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES
             COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY OF
                THIS PROSPECTUS. ANY REPRESENTATION TO THE
                      CONTRARY IS A CRIMINAL OFFENSE.
 
                            ------------------------
 
                 The date of this Prospectus is January  , 1998
<PAGE>
                             AVAILABLE INFORMATION
 
    The Company is subject to the informational requirements of the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), and in accordance
therewith files reports and other information with the Commission. Such reports,
proxy solicitation materials and other information concerning the Company may be
inspected and copied at the public reference facilities maintained by the
Commission at Room 1024, 450 Fifth Street, N.W., Washington, D.C. 20549, and at
the regional offices of the Commission located at Suite 1400, 500 West Madison
Street, Chicago, Illinois 60661-2511 and at Suite 1300, 7 World Trade Center,
New York, New York 10048. Copies of such material can also be obtained from the
Public Reference Section of the Commission at 450 Fifth Street, N.W.,
Washington, D.C. 20549 upon payment of the fees prescribed by the Commission.
The Commission maintains a Web site (http://www.sec.gov) that contains reports,
proxy and information statements and other information regarding registrants
such as the Company that file electronically with the Commission. Such reports
and other information also can be inspected at the offices of the New York Stock
Exchange, 20 Broad Street, New York, New York 10005.
 
                             ADDITIONAL INFORMATION
 
    The Company has filed with the Commission a registration statement on Form
S-3 (herein, together with all amendments and exhibits, referred to as the
"Registration Statement") under the Securities Act of 1933, as amended (the
"Securities Act"), with respect to the Shares offered hereby. This Prospectus,
which forms a part of such Registration Statement, does not contain all the
information set forth in such Registration Statement, certain parts of which are
omitted in accordance with the rules and regulations of the Commission.
Statements made in this Prospectus as to the contents of any contract, agreement
or other document referred to are not necessarily complete; with respect to each
such contract, agreement or other document filed as an exhibit to such
Registration Statement, reference is made to the exhibit for a more complete
description of the matter involved, and each such statement shall be deemed
qualified in its entirety by such reference. Any interested parties may inspect
such Registration Statement, without charge, at the public reference facilities
maintained by the Commission at 450 Fifth Street, N.W., Washington, D.C. 20549,
and may obtain copies of all or any part of it from the Commission upon payment
of the fees prescribed by the Commission. Such Registration Statement also can
be inspected at the offices of the New York Stock Exchange, 20 Broad Street, New
York, New York 10005. Neither the delivery of this Prospectus or any Prospectus
Supplement nor any sales made hereunder or thereunder shall under any
circumstances create any implication that the information contained herein or
therein is correct as of any time subsequent to the date hereof or thereof or
that there has been no change in the affairs of the Company since the date
hereof or thereof.
 
         PRIVATE SECURITIES LITIGATION REFORM ACT SAFE HARBOR STATEMENT
 
    This Prospectus (including the documents incorporated by reference herein)
contains certain forward-looking statements (as such term is defined in the
Private Securities Litigation Reform Act of 1995) and information relating to
the Company that is based on the beliefs of the management of the Company, as
well as assumptions made by and information currently available to the
management of the Company. When used in this Prospectus, the words "estimate,"
"project," "believe," "anticipate," "intend," "expect" and similar expressions
are intended to identify forward-looking statements. Such statements reflect the
current views of the Company with respect to future events and are subject to
risks and uncertainties that could cause actual results to differ materially
from those contemplated in such forward-looking statements. For a discussion of
such risks, see "Certain Risk Factors." Readers are cautioned not to place undue
reliance on these forward-looking statements, which speak only as of the date
hereof. The Company does not undertake any obligation to publicly release any
revisions to these forward-looking statements to reflect events or circumstances
after the date hereof or to reflect the occurrence of unanticipated events.
 
                                       2
<PAGE>
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
    The Company's Annual Report on Form 10-K for the fiscal year ended May 31,
1997 (File No. 000-20537), as amended by Amendment No. 1 thereto on Form 10-K/A,
the Company's Quarterly Reports on Form 10-Q for the quarters ended August 31,
1997 and November 30, 1997, the Company's Current Report on Form 8-K filed with
the Commission on October 30, 1997 and Amendment No. 1 thereto on Form 8-K/A
filed with the Commission on December 29, 1997, each filed with the Commission
pursuant to the Exchange Act, are incorporated herein by reference.
 
    All documents and reports subsequently filed by the Company pursuant to
Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act after the date of this
Prospectus and prior to the termination of the offering made by this Prospectus
shall be deemed to be incorporated by reference herein. Any statement contained
herein or in a document incorporated or deemed to be incorporated by reference
herein shall be deemed to be modified or superseded for purposes of this
Prospectus to the extent that a statement contained herein or in any
subsequently filed document which is or is deemed to be incorporated by
reference herein modifies or supersedes such statement. Any such statement so
modified or superseded shall not be deemed, except as modified or superseded, to
constitute a part of this Prospectus.
 
    The Company will provide without charge to each person to whom a copy of
this Prospectus is delivered, upon the written or oral request of such person, a
copy of any or all of the documents that are incorporated herein by reference,
other than exhibits to such information (unless such exhibits are specifically
incorporated by reference into such documents). Requests should be directed to
Walter Industries, Inc., Attention: David L. Townsend, Vice
President--Administration, 1500 North Dale Mabry Highway, Tampa, FL 33607,
Telephone (813) 871-4811.
 
                                       3
<PAGE>
                                  THE COMPANY
 
GENERAL
 
    The Company is a diversified holding company with five operating groups:
Homebuilding and Financing, Energy Services, Water Transmission Products,
Natural Resources and Industrial Products. A brief description of the Company's
five major operating groups follows.
 
    The Homebuilding and Financing Group sells, constructs on the customer's
site, and finances detached, single-family, partially finished homes. Sales are
made in approximately 24 states, primarily in the southern part of the United
States. Substantially all of the sales are made on credit provided by the Group.
A credit purchaser must provide his own land and give a first mortgage or deed
of trust to secure payment of the purchase price of the home.
 
    The Energy Services Group is a leading international provider of products
and outsourcing services to both the petroleum industry and to the steel,
foundry and aluminum industries through its Carbon Products Division, and is
also a leading supplier of ferrosilicon in the southeastern United States
through its Metals Division. See "Recent Business Developments."
 
    The Water Transmission Products Group is one of the largest domestic
manufacturers of ductile iron pressure pipes and fittings. The Group also
manufactures valves, hydrants, fittings and castings.
 
    The Natural Resources Group engages in coal mining and a related
degasification program. The Group owns four coal mines in Alabama and has the
capacity to produce a total of 9.7 million tons of coal annually. The Group
produced 7.6 million tons of coal in fiscal 1997. A substantial portion of this
output is sold under long-term contracts and the balance is used internally to
produce furnace and foundry coke or sold to other customers on a short-term
contract or spot market basis. The Company does not consider itself to be a
significant factor in the domestic or international coal markets.
 
    The Industrial Products Group produces furnace and foundry grades of coke,
specialty chemicals, slag wool products, aluminum sheet, aluminum foil, window
components, fireplace products and accessories, municipal and original equipment
manufacturer castings, patterns, tooling and resin-coated sand.
 
    The Company's executive offices are located at 1500 North Dale Mabry
Highway, Tampa, Florida 33607. The Company's telephone number is (813) 871-4811.
 
RECENT HISTORY
 
    The Company was organized in August 1987 by a group of investors led by
Kohlberg Kravis Roberts & Co., L.P. ("KKR") for the purpose of acquiring Jim
Walter Corporation, a Florida corporation ("Original Jim Walter"), pursuant to a
leveraged buyout (the "LBO"). Following its organization, the Company organized
and acquired all of the outstanding shares of capital stock of a group of direct
and indirect wholly owned subsidiaries, including Hillsborough Acquisition
Corporation ("HAC"). On September 18, 1987, HAC acquired approximately 95% of
the outstanding shares of common stock of Original Jim Walter pursuant to a cash
tender offer (the "Tender Offer"). On January 7, 1988, (i) Original Jim Walter
merged (the "Merger") into HAC (which changed its name to Jim Walter
Corporation), (ii) HAC distributed substantially all of its assets (principally
excluding the stock of The Celotex Corporation ("Celotex") and several other
subsidiaries of Original Jim Walter) to a parent corporation of HAC (which was
merged into the Company on April 1, 1991) in redemption of all of the shares of
capital stock of HAC owned by such parent corporation, (iii) HAC merged into its
other stockholder, another indirect wholly owned subsidiary of the Company, and
(iv) the surviving corporation of such merger changed its name to Jim Walter
Corporation (and is hereinafter referred to as "J-II" or "Jim Walter
Corporation").
 
    Following the Merger and prior to the commencement of the Chapter 11 Cases
(as defined below), the Company undertook a program of corporate reorganizations
and asset dispositions, which were contemplated by all of the debt agreements
entered into in connection with the Tender Offer and the
 
                                       4
<PAGE>
Merger. Pursuant to this program the Company restructured and/or disposed of
certain of the businesses of Original Jim Walter, including the disposition in
April 1988 of all of the stock of the parent corporation of J-II.
 
    Also during this time, the Company and certain of its subsidiaries and
certain of their former and current directors and officers, stockholders and
other persons and entities which were parties to or beneficiaries of
indemnification agreements and other indemnification obligations of the Company
and its subsidiaries (the "Indemnitees") were named as co-defendants in lawsuits
(the "Veil Piercing Litigation") brought by or on behalf of thousands of persons
("Asbestos Claimants") claiming asbestos-related damages against Celotex
alleging, among other things, that (i) Original Jim Walter, its successors and
other entities, including the Company and certain of its subsidiaries, were
liable for all damages, including asbestos-related damages, caused by products
manufactured, sold and distributed by a predecessor of Celotex, by reason of
claims sounding in veil piercing, alter ego and related theories ("Veil Piercing
Claims"), and (ii) the aforementioned distribution by HAC of substantially all
of its assets pursuant to the LBO constituted a fraudulent conveyance.
 
    On December 27, 1989, the Company and 31 of its subsidiaries each filed a
voluntary petition for reorganization under Chapter 11 ("Chapter 11") of the
Bankruptcy Code with the Bankruptcy Court for the Middle District of Florida,
Tampa Division (the "Bankruptcy Court"); one additional subsidiary also filed a
voluntary petition for reorganization under Chapter 11 with the Bankruptcy Court
on December 3, 1990 (all such voluntary petitions for reorganization are
hereinafter referred to as the "Chapter 11 Cases"). Two other subsidiaries,
Cardem Insurance Co., Ltd. ("Cardem Insurance") and Jefferson Warrior Railroad
Company, Inc. ("J.W. Railroad"), did not file petitions for reorganization under
Chapter 11. The filing of the voluntary petitions resulted from a sequence of
events stemming primarily from an inability of the Company's interest reset
advisors to reset interest rates on approximately $624 million of outstanding
indebtedness, which indebtedness by its terms required that the interest rates
thereon be reset to the rate per annum such indebtedness should bear in order to
have a bid value of 101% of the principal amount thereof as of December 2, 1989.
The reset advisors' inability to reset the interest rates was primarily
attributable to two factors: (i) uncertainties arising from the then-pending
Veil Piercing Litigation, including the possibility either that such litigation
would lead to the prohibition of further asset sales and debt repayment or that
substantial new asbestos-related claims might become assertible against the
Company, which uncertainties materially hindered the ability of the Company and
its subsidiaries to pursue a refinancing or sell assets to reduce debt, and (ii)
general turmoil in the high yield bond markets at such time, both of which
depressed the bid value of such indebtedness.
 
    In January 1990, the Company and each of its subsidiaries which were party
to the Chapter 11 Cases filed a declaratory judgment action (the "Adversary
Proceeding") in the Bankruptcy Court against all known Asbestos Claimants who
had filed Veil Piercing Claims, along with Celotex and Jim Walter Corporation,
seeking a declaration, among other things, that (i) the corporate veil between
Celotex and Original Jim Walter could not be pierced, (ii) the Company could not
be held liable for the asbestos-related liabilities of either Celotex or Jim
Walter Corporation on any grounds and (iii) the LBO could not be deemed a
fraudulent conveyance.
 
    In October 1990, Celotex and one of its subsidiaries filed voluntary
petitions for reorganization under Chapter 11 with the Bankruptcy Court for the
Middle District of Florida, Tampa Division (the "Celotex Bankruptcy Court").
 
    In January 1994, the indenture trustees for certain pre-LBO debentures of
Original Jim Walter assumed by the Company brought an action (the "Fraudulent
Conveyance Lawsuit") for the benefit of the Company's estate and its creditors,
which alleged that the issuance of debt in connection with the LBO constituted a
fraudulent conveyance under New York and Florida law. The plaintiffs sought to
avoid the obligations incurred by the Company and its subsidiaries in the LBO.
 
                                       5
<PAGE>
    On the Effective Date of the Plan of Reorganization the Company and its
subsidiaries emerged from bankruptcy pursuant to the Plan of Reorganization. At
that time, pursuant to the Plan of Reorganization, 50,494,313 shares of Common
Stock were issued to certain former creditors and stockholders of the Company
and its subsidiaries and $490,000,000 aggregate principal amount of the
Company's 12.19% Series B Senior Notes Due 2000 (the "Senior Notes") were issued
to certain former creditors of the Company and its subsidiaries. The Senior
Notes were redeemed in full in January 1996. The plan of reorganization
originally proposed by certain creditors and committees (the "Creditors Plan")
provided that subordinated bondholders could elect to receive "Qualified
Securities" (cash and/or Senior Notes) in lieu of Common Stock of the Company.
The Plan of Reorganization confirmed by the Bankruptcy Court, which technically
constituted a modification of the Creditors Plan, kept in place the bondholders'
election. Certain subordinated bondholders, however, were unable to provide
documentation evidencing their right to receive Qualified Securities within the
two year time frame prescribed by the Plan of Reorganization. As a result,
approximately 212,000 additional shares of Common Stock were issued in lieu of
Qualified Securities.
 
    Also pursuant to the Plan of Reorganization, (i) the Veil Piercing Claims,
the Veil Piercing Litigation and the Adversary Proceeding, among other things,
were settled after a ruling by the Bankruptcy Court (which was affirmed on
appeal by the United States District Court for the Middle District of Florida)
finding in favor of the Company on every claim asserted in the Adversary
Proceeding and (ii) the Fraudulent Conveyance Lawsuit was settled. This
settlement of the Veil Piercing Litigation (the "Veil Piercing Settlement") was
entered into among the Company, certain of its creditors, Celotex, Jim Walter
Corporation and representatives of the Asbestos Claimants and provided for the
dismissal of all the Veil Piercing Claims and the release of the Company, KKR,
any and all of their present and former parents, subsidiaries, stockholders,
partners, officers, directors and employees and certain other parties
(collectively, the "Released Parties") from all liabilities relating to the LBO
or associated with asbestos-related liabilities of Celotex or Jim Walter
Corporation. The Veil Piercing Settlement is embodied in the Plan of
Reorganization. The Veil Piercing Settlement, among other things, required
Celotex and certain other parties to the Celotex bankruptcy proceedings to
propose and use their respective best efforts to obtain confirmation of a plan
of reorganization for Celotex that included an injunction pursuant to Section
524(g) of the Bankruptcy Code ("Section 524(g)") or other similar injunctive
relief providing the same protection as a Section 524(g) injunction acceptable
to each of the Released Parties.
 
    On October 7, 1996, Celotex and various other parties in the Celotex
bankruptcy announced to the Celotex Bankruptcy Court that an agreement had been
reached between the Asbestos Bodily Injury Claimants Committee and others (the
"Bodily Injury Plan") and the Asbestos Property Damage Claimants Committee (the
"Property Damage Plan") pursuant to which the Bodily Injury Plan proponents
agreed to file with the Celotex Bankruptcy Court a Modified Joint Plant of
Reorganization (the "Modified Plan") which would provide, among other things,
for revised treatment of asbestos property damage claims. In accordance with the
agreement, the Modified Plan was filed with the Celotex Bankruptcy Court on
October 8, 1996 and superseded and replaced the Bodily Injury Plan and the
Property Damage Plan. The Modified Plan provides for a Section 524(g) injunction
as to all asbestos claimants. Such injunctive relief provides the Company with
additional assurance that Veil Piercing Claims cannot be asserted in the future
against the Company. See "Certain Risk Factors-Asbestos-Related Litigation
Settlements."
 
    The Modified Plan was approved by a vote of the Celotex creditors and on
December 6, 1996 the Celotex Bankruptcy Court entered an order confirming the
Modified Plan. The Modified Plan became effective as of May 30, 1997.
 
    See "Certain Risk Factors" for information concerning certain risks
associated with an investment in the Shares.
 
                                       6
<PAGE>
RECENT BUSINESS DEVELOPMENTS
 
    On October 15, 1997 the Company completed the acquisition of Applied
Industrial Materials Corporation ("AIMCOR"), a leading international provider of
products and outsourcing services to both the petroleum industry and to the
steel, foundry and aluminum industries through its Carbon Products Division, and
also a leading supplier of ferrosilicon in the southeastern United States
through its Metals Division. The purchase price was approximately $410 million,
subject to adjustments and certain indemnity obligations of the parties as
required by the Stock Purchase Agreement. Also, on October 15, 1997, the Company
completed a financing with NationsBank, N.A. ("NationsBank") whereby NationsBank
provided credit facilities consisting of a $350 million revolving credit
facility and a $450 million term loan facility (collectively, the "$800 Million
Credit Agreement"). The $800 Million Credit Agreement was used to (a) finance
the acquisition of AIMCOR, (b) replace an existing credit facility, (c) pay
transaction costs and (d) provide ongoing working capital. The $350 million
revolving credit facility includes a sub-facility for trade and other standby
letters of credit in an amount up to $75 million at any time outstanding and a
sub-facility for swingline advances in an amount not in excess of $25 million at
any time outstanding. See "Description of Certain Indebtedness."
 
    In October 1997, the Company and its subsidiary, Jim Walter Resources, Inc.
("JWR"), agreed to settle the lawsuit filed in the Circuit Court for Tuscaloosa
County, Alabama, against certain insurance carriers seeking payment of insurance
pertaining to losses associated with a fire in November 1993 at JWR's Mine No.
5. The Company has entered into settlements with all of such insurers who, in
the aggregate, have paid $24 million in full and final settlement of the
Company's and JWR's claim.
 
                                       7
<PAGE>
                              CERTAIN RISK FACTORS
 
    Set forth below are certain significant risks involved in investing in the
Shares offered by this Prospectus. Certain of the matters described below as
well as other factors affecting the Company's businesses generally are described
in the Company's Annual Report on Form 10-K for the year ended May 31, 1997, as
amended by the Company's Amendment No. 1 thereto on Form 10-K/A, which is
incorporated herein by reference, under the captions "Business and Properties"
and "Management's Discussion and Analysis of Results of Operations and Financial
Condition" and in certain Notes to the Consolidated Financial Statements: Note 1
(Recent History), Note 8 (Debt), Note 9 (Income Taxes) and Note 12 (Litigation)
and the Company's Quarterly Report on Form 10-Q for the quarter ended August 31,
1997, which is incorporated herein by reference, under the caption "Management's
Discussion and Analysis of Results of Operations and Financial Condition" and in
certain Notes to the Consolidated Financial Statements: Note 3 (Instalment Notes
Receivable and Mortgage-Backed/Asset-Backed Notes) and Note 6 (Subsequent
Events).
 
LEVERAGE
 
    At November 30, 1997 the Company had total consolidated debt of
approximately $2,502,543,000 and a ratio of total consolidated debt to
stockholders' equity of approximately 7.8 to 1. Excluding the debt of the
business trusts described below, which debt is secured by and satisfied only
from the instalment notes held by the business trusts, the Company's leverage
ratio was 2.1 to 1 at November 30, 1997. The ability of the Company to meet its
debt service obligations will be dependent upon the future performance of the
Company, which, in turn, will be subject to general economic conditions and to
financial, competitive, business and other factors, including factors beyond the
Company's control. The level of the Company's indebtedness could restrict its
flexibility in responding to changing business and economic conditions. Mid-
State Homes, Inc., an indirect wholly owned subsidiary of the Company
("Mid-State Homes"), purchases instalment notes from Jim Walter Homes, Inc.,
another indirect wholly owned subsidiary of the Company ("Jim Walter Homes"), on
homes constructed and sold by Jim Walter Homes and services such instalment
mortgage notes. Mid-State Trust II ("Trust II"), Mid-State Trust III ("Trust
III"), Mid-State Trust IV ("Trust IV") and Mid-State Trust VI ("Trust VI") are
business trusts organized by Mid-State Homes, which owns all the beneficial
interest in Trust III, Trust IV and Trust VI. Trust IV owns all of the
beneficial interest in Trust II. The assets of Trust II, Trust III, Trust IV and
Trust VI are not available to satisfy claims of general creditors of Mid-State
Homes or the Company and its other subsidiaries. The liabilities of Trust II,
Trust III, Trust IV and Trust VI for their publicly issued debt are to be
satisfied solely from proceeds of the underlying instalment notes and are
non-recourse to Mid-State Homes and the Company and its other subsidiaries. On
February 27, 1995, Mid-State Homes established Mid-State Trust V ("Trust V"), a
business trust in which Mid-State Homes owns all the beneficial interest, to
provide temporary financing to Mid-State Homes for its current purchases of
instalment notes and mortgages from Jim Walter Homes. On March 3, 1995, Trust V
entered into a Variable Funding Loan Agreement (the "Mid-State Trust V Variable
Funding Loan Agreement") with Enterprise Funding Corporation, an affiliate of
NationsBank N.A., as lender, and NationsBank N.A. (Carolinas), as Administrative
Agent. The agreement provides for a three-year $500,000,000 credit facility
(subsequently reduced to $400,000,000 on July 31, 1997) (the "Mid-State Trust V
Variable Funding Loan") secured by the instalment notes and mortgages Trust V
purchases from Mid-State Homes. The Company believes that the Mid-State Trust V
Variable Funding Loan Agreement will provide Mid-State Homes with the funds
needed to purchase the instalment notes and mortgages generated by Jim Walter
Homes. The Company also believes that, under present operating conditions,
sufficient operating cash flow will be generated to make all required interest
and principal payments and planned capital expenditures and meet substantially
all operating needs. It is further expected that amounts available under the
$800 Million Credit Agreement (as defined in "Description of Certain
Indebtedness--Credit Facilities") will be sufficient to meet peak operating
needs of the Company.
 
                                       8
<PAGE>
    The degree to which the Company is leveraged and the terms governing the
Company's debt instruments, including restrictive covenants and events of
default, could have important consequences to holders of the Shares, including
the following: (i) the Company's ability to obtain additional financing in the
future for working capital, capital expenditures, acquisitions, general
corporate purposes or other purposes may be impaired; (ii) a substantial portion
of the Company's cash flow from operations must be dedicated to service its
indebtedness; (iii) terms of the Company's debt instruments restrict the
Company's ability to pay dividends and impose other operating and financial
restrictions; (iv) the Company may be more leveraged than other providers of
similar products and services, which may place the Company at a competitive
disadvantage; and (v) the Company's significant degree of leverage could make it
more vulnerable to changes in general economic conditions. Unexpected declines
in the Company's future business, increases in interest rates or the inability
to borrow additional funds for its operations if and when required could impair
the Company's ability to meet its debt service obligations and, therefore, have
a material adverse effect on the Company's business and future prospects. No
assurance can be given that additional debt or equity funds will be available
when needed or, if available, on terms which are favorable to the Company.
Moreover, the terms of the Company's indebtedness contain change in control
provisions which may have the effect of discouraging a potential takeover of the
Company.
 
    Borrowings under the Company's $800 Million Credit Agreement bear interest
at rates that fluctuate. As of November 30, 1997, borrowings under this facility
totaled $692.1 million. In addition, there were $32.1 million face amount of
letters of credit outstanding thereunder. See "Description of Certain
Indebtedness--Credit Facilities."
 
DIVIDEND POLICY; RESTRICTIONS ON PAYMENT OF DIVIDENDS
 
    The Company has not paid cash dividends on its Common Stock and currently
has no intention of paying any cash dividends on the Common Stock. In addition,
the covenants in certain debt instruments to which the Company is a party
restrict the ability of the Company to pay cash dividends. Under the $800
Million Credit Agreement, the Company may pay dividends in an amount not to
exceed: $10,000,000 plus 50% of Consolidated Net Income (as defined in the $800
Million Credit Agreement) less the amount of any other Restricted Payments (as
defined in the $800 Million Credit Agreement) in any fiscal year provided that
no default under the $800 Million Credit Agreement has occurred or would result
from the payment of such dividends. See "Description of Certain
Indebtedness--Credit Facilities."
 
HOLDING COMPANY STRUCTURE
 
    The Company has no business operations other than (i) holding the capital
stock of its operating subsidiaries and intermediate holding companies, (ii)
holding cash, cash equivalents and marketable securities and (iii) advancing
funds to, and receiving funds from, its subsidiaries. In repaying its
indebtedness the Company relies primarily on cash flows from its subsidiaries,
including debt service and dividends. The ability of the Company's subsidiaries
to make payments with respect to advances from the Company will be affected by
the obligations of such subsidiaries to their creditors. The ability of such
subsidiaries to pay dividends will be subject to applicable law. The $800
Million Credit Agreement is secured by guarantees and pledges of the capital
stock of all domestic subsidiaries of the Company other than Mid-State Holdings
Corporation and its subsidiary (collectively, "Mid-State Holdings").
 
RESTRICTIVE COVENANTS
 
    The $800 Million Credit Agreement contains a number of significant covenants
that, among other things, restrict the ability of the Company and its
subsidiaries to dispose of assets, incur additional indebtedness, make capital
expenditures, pay dividends, create liens on assets, enter into leases,
investments or acquisitions, engage in mergers or consolidations, or engage in
certain transactions with subsidiaries and affiliates and that otherwise
restrict corporate activities (including change of control and asset sale
transactions). In addition, under the $800 Million Credit Agreement, the Company
is required to
 
                                       9
<PAGE>
maintain specified financial ratios and comply with certain financial tests,
including fixed charge coverage and maximum leverage ratios, some of which
become more restrictive over time. The $800 Million Credit Agreement is secured
by guarantees and pledges of the capital stock of all domestic subsidiaries of
the Company other than Mid-State Holdings. The Trust V Variable Funding Loan
Agreement's covenants, among other things, restrict the ability of Trust V to
dispose of assets, create liens and engage in mergers and consolidations.
 
    The Company currently is in compliance with the covenants and restrictions
contained in its existing debt instruments. However, its ability to continue to
so comply may be affected by events beyond its control. The breach of any of
these covenants or restrictions could result in a default under those debt
instruments, which would permit the lenders or other creditors thereunder to
declare all amounts borrowed thereunder to be due and payable together with
accrued and unpaid interest, would result in the termination of the commitments
of the lenders under the $800 Million Credit Agreement to make further loans and
issue letters of credit and could permit such lenders and other creditors to
proceed against the collateral securing the obligations owing to them. Any such
default could have a significant adverse effect on the market value and the
marketability of the Shares. See "Description of Certain Indebtedness-- Credit
Facilities."
 
RISKS OF BUSINESS DOWNTURN; EXPIRATION OF LONG-TERM CONTRACT
 
    Certain of the Company's businesses are affected by general economic or
other factors outside their control. The sales of United States Pipe and Foundry
Company, Inc. ("U.S. Pipe") are dependent to some extent upon the rate of
residential and non-residential building construction and other forms of
construction activity, and are thus subject to certain economic factors such as
general economic conditions, the underlying need for construction projects,
interest rates and governmental incentives provided to building projects. The
cyclical nature of U.S. Pipe's business is offset to some extent by U.S. Pipe's
sales to the replacement market. The replacement market generally fluctuates
less than the rate of new construction and therefore tends to have a stabilizing
influence during a period of depressed construction activity. Jim Walter Homes
is also sensitive to certain general economic and other factors. Its business
has tended to be countercyclical to national home construction activity. In
times of high interest rates or lack of availability of mortgage funds, and thus
limited new home construction, Jim Walter Homes' volume of home sales tends to
increase due to the terms of the financing it offers. However, in times of low
interest rates and increased availability of mortgage funds, Jim Walter Homes'
volume of home sales tends to decrease. Also, in times of low interest rates and
high availability of mortgage funds, additional competition is able to enter the
market.
    A significant portion of the sales of JWR are made pursuant to long-term
contracts, which tend to stabilize the results of its operations. The most
significant of these contracts is JWR's contract to sell Alabama Power Company
("Alabama Power") 4.0 million tons of compliance steam coal per year through
August 31, 1999 at prices which are currently significantly above market prices.
There can be no assurance as to whether or on what terms this contract will be
renewed. If the contract with Alabama Power is not renewed, the Company
currently intends that JWR will sell the coal currently being sold to Alabama
Power to other customers as metallurgical coal, the current market price of
which generally exceeds the market price of compliance steam coal. If the
contract with Alabama Power is not renewed, there can be no assurance as to
whether or on what terms JWR would be able to sell all of the coal currently
being sold to Alabama Power. Based on the current market prices of metallurgical
and compliance steam coal, the expiration of the contract with Alabama Power
could, in management's estimation, result in a decrease in JWR's annual revenue
of up to $50 million. In 1996, JWR embarked on a cost cutting program intended
to reduce operating costs at its Mining Division by 20% from fiscal 1997 levels
over the next three years. If those cost cutting reductions are fully achieved,
the Company currently believes that a decrease in annual revenue of the
magnitude referred to above in fiscal 2000 will not have a material adverse
effect on the results of operations of the Company as compared to fiscal 1997.
However, there can be no assurances as
 
                                       10
<PAGE>
to the extent to which such cost reductions will be achieved or what the market
prices of metallurgical and compliance steam coal will be in the future.
 
ASBESTOS-RELATED LITIGATION SETTLEMENTS
 
    As discussed more fully under "The Company--Recent History," the Company and
the Indemnitees were defendants in the Veil Piercing Litigation and are
beneficiaries of the Veil Piercing Settlement.
 
    In order for a holder of a Veil Piercing Claim or any claim related to the
LBO which is held by any person who has asserted or may in the future assert
Veil Piercing Claims (such claims and Veil Piercing Claims, whether asserted in
the past or in the future, collectively, the "Settlement Claims") to assert that
Settlement Claim against the Company or any of the Indemnitees, such holder
would have to attack (i) the Plan of Reorganization, (ii) the approval of a
class consisting of all present and future holders of Settlement Claims other
than Celotex, including Asbestos Claimants, (iii) the approval of the Veil
Piercing Settlement and (iv) all of the actions taken under the Veil Piercing
Settlement. Because there were no objections to the Plan of Reorganization or
the Veil Piercing Settlement (apart from an objection of the United States
Environmental Protection Agency (the "EPA") concerning the scope of certain
releases affecting government environmental claims, which appeal has been
dismissed), such an attack would have to be based upon an alleged failure to
provide due process under the United States Constitution. The Company believes,
and the Bankruptcy Court has found, that due process requirements have been met.
Should such an attack be sustained, however, the Company, the Indemnitees and
the other Released Parties could be exposed to additional liabilities in the
future of an indeterminate, but possibly substantial, amount.
 
    Future holders of Settlement Claims may also attack injunctions issued in
connection with the Veil Piercing Settlement against legal actions against the
Released Parties in respect of Settlement Claims. Such attacks might be on the
grounds that the Bankruptcy Court did not have jurisdiction over such future
claims. The Company believes that the Bankruptcy Court and the Celotex
Bankruptcy Court have jurisdiction to issue "channeling" injunctions barring
such future claims, if any. In addition, the provisions of Section 524(g)
explicitly authorize an injunction barring claims by future claimants asserting
asbestos-related diseases. The Celotex Bankruptcy Court confirmed a plan of
reorganization containing such an injunction, as contemplated by the Veil
Piercing Settlement. That plan of reorganization has been consummated. Section
524(g) is thus an additional basis for preventing future Settlement Claims from
being asserted against the Company, the Indemnitees and the other Released
Parties. However, a future holder of a Settlement Claim may try to attack
Section 524(g) as unconstitutional or try to preclude its application. Should
that happen, the Company, the Indemnitees and the other Released Parties could
be exposed to additional liabilities in the future of an indeterminate, but
possibly substantial, amount.
 
    It is also possible that some constituencies might seek to have the terms of
the Veil Piercing Settlement altered. In the National Gypsum reorganization, the
trust established to settle asbestos claims has sought an order requiring the
reorganized debtor in that case to make additional payments to the trust. The
Company believes that should not happen in its case because the settlement
amount was paid into a separate trust with allocation of such funds to be
decided in the Celotex bankruptcy proceeding pursuant to final court orders in
both cases. Any such request would have to be made to the Bankruptcy Court,
which has previously approved the settlement payment as fair, and/or the Celotex
Bankruptcy Court, which also has previously approved the settlement payment as
fair. However, should such a request be made and granted, the Company, the
Indemnitees and the other Released Parties could be exposed to additional
liabilities in the future of an indeterminate, but possibly substantial, amount.
 
EFFECT OF FUTURE SALES OF COMMON STOCK
 
    No prediction can be made as to the effect, if any, that future sales of
Shares, or the availability of Common Stock for future sale, will have on the
market price of the Common Stock prevailing from time to
 
                                       11
<PAGE>
time. Sales of substantial amounts of Common Stock, or the perception that such
sales could occur, could adversely affect prevailing market prices for the
Common Stock. Pursuant to the Plan of Reorganization, an aggregate of 50,494,313
shares of Common Stock were issued on the Effective Date of the Plan of
Reorganization. On September 13, 1995 (180 days after the Effective Date of the
Plan of Reorganization), 494,313 additional shares of Common Stock were issued
to certain current and former stockholders of the Company and 3,880,140
additional shares were issued to an escrow account and may be distributed to
such stockholders to the extent that certain contingencies regarding Federal
Income Tax Claims (as defined in "Description of Capital Stock-Additional Stock
Issuances") of the Company are resolved satisfactorily. On July 12, 1997, 9,690
shares of Common Stock were released from escrow and cancelled because certain
former stockholders did not tender their shares of Walter Industries common
stock subject to Chapter 11 proceedings within the two-year time frame
prescribed by the Plan of Reorganization and thus are ineligible to receive the
escrowed shares. Approximately 212,000 shares have been issued to certain
subordinated bondholders who were unable to provide documentation evidencing
their right to receive Qualified Securities within the two-year time frame
prescribed by the Plan of Reorganization. See "Description of Capital
Stock-Additional Stock Issuances." Pursuant to Section 1145 of the Bankruptcy
Code, all of the issued and outstanding shares of Common Stock are freely
tradeable without registration under the Securities Act, except for shares
issued to an "underwriter" (as defined in Section 1145(b) of the Bankruptcy
Code) or subsequently acquired by an "affiliate" of the Company. Except in
limited circumstances, none of the holders of such shares has agreed to restrict
or otherwise limit in any way such holder's ability to dispose of such shares of
Common Stock. See "Description of Capital Stock-Common Stock Registration Rights
Agreements." No assurance can be given that sales of substantial amounts of
Common Stock will not occur in the foreseeable future or as to the effect that
any such sales, or the perception that such sales may occur, will have on the
market or the market price of the Common Stock.
 
TAX CONSIDERATIONS
 
    A substantial controversy exists with regard to federal income taxes
allegedly owed by the Company. Proofs of claim have been filed by the Internal
Revenue Service (the "IRS") for taxes, interest and penalties in the amounts of
$110,560,883 with respect to fiscal years ended August 31, 1980 and August 31,
1983 through August 31, 1987, $31,468,189 with respect to fiscal years ended May
31, 1988 (nine months) and May 31, 1989 and $44,837,693 with respect to fiscal
years ended May 31, 1990 and May 31, 1991. These proofs of claim represent total
adjustments to taxable income of approximately $360 million for all tax periods
at issue. Included in the proofs of claim is an adjustment to taxable income
disallowing a deduction of approximately $51 million for hedging losses incurred
during fiscal year 1988. This issue was conceded by the IRS pursuant to a joint
stipulation of parties approved by the Bankruptcy Court by an order dated
January 3, 1997. In December 1997, the IRS advised the Company that the IRS has
agreed to concede an issue involving adjustments to taxable income of
approximately $127 million for amortization deductions for tax years 1988
through 1991 related to certain debt issuance costs. The concession is subject
to Bankruptcy Court approval, which the Company expects to obtain prior to the
end of fiscal 1998. Objections to the proofs of claim have been filed by the
Company and the various issues are being litigated in the Bankruptcy Court. The
Company believes that the balance of such proofs of claim are substantially
without merit and intends to defend vigorously such claims, but there can be no
assurance as to the ultimate outcome.
 
    Set forth under "Certain Federal Income Tax Consequences" is a description
of certain United States federal income tax consequences to prospective
purchasers expected to result from the purchase, ownership and sale or other
disposition of the Shares under currently applicable law.
 
CERTAIN CORPORATE GOVERNANCE MATTERS; ANTITAKEOVER LEGISLATION
 
    The Restated Certificate of Incorporation of the Company (the "Charter") and
the Plan of Reorganization provide that until March 17, 1998 the Board of
Directors of the Company shall have nine members,
 
                                       12
<PAGE>
two of whom must be Independent Directors (as defined in the Charter), three of
whom (currently Kenneth E. Hyatt, Richard E. Almy and James W. Walter (a
non-employee director as of October 6, 1995)) are to be selected by the
remaining directors from the senior officers of the Company, two of whom must be
designated by KKR, an affiliate of certain principal stockholders of the
Company, and two of whom must be designated by Lehman Brothers Inc. ("Lehman"),
whose affiliate Lehman Brothers Holdings Inc. ("Lehman Holdings") is another
principal stockholder of the Company (except that (i) in certain circumstances
KKR will have the right to compel the resignation of one of Lehman's designees
and designate the successor, (ii) in certain circumstances Lehman will have the
right to compel the resignation of one of KKR's designees and designate the
successor and (iii) Lehman's or KKR's designees must resign if Lehman or KKR, as
the case may be, cease to beneficially own a specified equity interest in the
Company). As a result of the foregoing provision, stockholders of the Company
other than Lehman and KKR will not have the ability to elect any of the
Company's directors prior to March 17, 1998.
 
    In addition, the Charter and the Company's By-laws provide that until March
17, 1998 each committee of the Board of Directors (other than the Tax Oversight
Committee) must include a number of directors designated by KKR and Lehman,
respectively, so that each of KKR and Lehman has representation on the committee
proportionate to its representation on the Board of Directors. The Charter
provides that the foregoing provision and certain other provisions of the
By-laws cannot be amended by the Board of Directors prior to March 17, 1998,
unless 67% of the whole Board of Directors votes in favor of the amendment.
 
    The foregoing provisions would, among other things, impede the ability of a
third party to acquire control of the Company by seeking election of its
nominees to the Board of Directors.
 
    In addition, Section 203 ("Section 203") of the Delaware General Corporation
Law (the "DGCL") provides that, subject to certain exceptions specified therein,
an "interested stockholder" of a Delaware corporation shall not engage in any
business combination, including mergers or consolidations or acquisitions of
additional shares of the corporation, with the corporation for a three-year
period following the date on which such stockholder becomes an "interested
stockholder" unless (i) prior to such date, the board of directors of the
corporation approved either the business combination or the transaction which
resulted in the stockholder becoming an "interested stockholder," (ii) upon
consummation of the transaction which resulted in the stockholder becoming an
"interested stockholder," the interested stockholder owned at least 85% of the
voting stock of the corporation outstanding at the time the transaction
commenced (excluding certain shares), or (iii) on or subsequent to such date,
the business combination is approved by the board of directors of the
corporation and authorized at an annual or special meeting of stockholders by
the affirmative vote of at least 66-2/3% of the outstanding voting stock which
is not owned by the "interested stockholder." Except as otherwise specified in
Section 203, an "interested stockholder" is defined to include (x) any person
that is the owner of 15% or more of the outstanding voting stock of the
corporation, or is an affiliate or associate of the corporation and was the
owner of 15% or more of the outstanding voting stock of the corporation at any
time within three years immediately prior to the relevant date and (y) the
affiliates and associates of any such person.
 
    Under certain circumstances, Section 203 makes it more difficult for a
person who would be an "interested stockholder" to effect various business
combinations with a corporation for a three-year period, although the
stockholders may elect to exclude a corporation from the restrictions imposed
thereunder. The Charter does not exclude the Company from the restrictions
imposed under Section 203. The provisions of Section 203 may encourage companies
interested in acquiring the Company to negotiate in advance with the Board of
Directors because the stockholder approval requirement would be avoided if a
majority of the directors then in office approve either the business combination
or the transaction which results in the stockholder becoming an interested
stockholder. Such provisions also may have the effect of preventing changes in
the management of the Company. It is possible that such provisions could make it
more difficult to accomplish transactions which stockholders may otherwise deem
to be in their best interests.
 
                                       13
<PAGE>
    For purposes of Section 203, the Board of Directors has approved the
transaction (the consummation of the Plan of Reorganization) which resulted in
Lehman and the Celotex Settlement Fund Recipient becoming "interested
stockholders" and, accordingly, the Company believes that neither of them will
be subject to the restrictions of Section 203 unless it ceases to be the owner
of 15% or more of the outstanding voting stock of the Company and seeks to
reattain such level of ownership. The Board of Directors also approved the
purchase of Common Stock by Channel One Associates, L.P., a limited partnership,
the general partner of which is KKR Associates, L.P. ("Channel One"), and its
affiliates and associates of 15% or more of the outstanding voting stock of the
Company through open market purchases or otherwise. Accordingly, the Company
believes that none of Channel One and its affiliates and associates (including
JWC Associates, L.P., JWC Associates II, L.P. and KKR Partners II, L.P. (the
"KKR Investors")) will be subject to the restrictions of Section 203. In
connection with the above-described approval of the Board of Directors, Channel
One and the KKR Investors agreed with the Company that they will not, and will
not permit any of their affiliates to, vote any shares of Common Stock of the
Company or otherwise take any other action to modify the composition of the
Board of Directors of the Company prior to April 6, 1998 other than as expressly
provided for in the Company's Charter and the Plan of Reorganization and that
during such period they will not participate in the solicitation of proxies to
vote, or seek to advise or influence any person with respect to voting
securities of the Company to modify the composition of the Board of Directors,
or propose, assist in or encourage any person in connection with any of the
foregoing.
 
ENVIRONMENTAL MATTERS
 
    The Company and its subsidiaries are subject to a wide variety of laws and
regulations concerning the protection of the environment, both with respect to
the construction and operation of many of its plants, mines and other
facilities, and with respect to remediating environmental conditions that may
exist at its own and other properties. The Company believes that it and its
subsidiaries are in substantial compliance with federal, state and local
environmental laws and regulations. Expenditures for compliance of ongoing
operations and for remediation of environmental conditions arising from past
operations in the fiscal year ended May 31, 1997 and May 31, 1996 were
approximately $6.8 million and $5.1 million, respectively. Because environmental
laws and regulations on the federal, state and local levels continue to evolve,
and because conditions giving rise to obligations and liabilities under
environmental laws are in some circumstances not readily identifiable, it is
difficult to forecast the amount of such future environmental expenditures or
the effects of changing standards on future business operations. Consequently,
the Company can give no assurance that such expenditures will not be material in
the future. Capital expenditures for environmental requirements are anticipated
to average approximately $6.0 million per year in the next five years.
 
    U.S. Pipe, a wholly owned subsidiary of the Company, has implemented an
Administrative Consent Order ("ACO") for its Burlington, New Jersey plant that
was required under the New Jersey Environmental Cleanup Responsibility Act (now
known as the Industrial Site Recovery Act) in connection with the completion of
the LBO. The ACO required soil and ground water cleanup. U.S. Pipe has
completed, pending final approval, the soil cleanup required by the ACO. U.S.
Pipe also has completed, pending final approval, ground water treatment as
ordered in the ACO. Ground water monitoring as required by the ACO continues. It
is not known how long ground water monitoring will be required. Management does
not believe any further cleanup costs will have a material adverse effect on the
financial condition or results of operations of the Company and its
subsidiaries.
 
    The Federal Comprehensive Environmental Response, Compensation and Liability
Act ("CERCLA"), generally imposes liability, which may be joint and several and
is without regard to fault or the legality of waste generation or disposal, on
certain classes of persons, including owners and operators of sites at which
hazardous substances are released into the environment (or pose a threat of such
release), persons that disposed or arranged for the disposal of hazardous
substances at such sites, and persons who owned or operated such sites at the
time of such disposal. CERCLA authorizes the United States
 
                                       14
<PAGE>
Environmental Protection Agency (the "EPA"), the states and, in some
circumstances, private entities to take actions in response to public health or
environmental threats and to seek to recover the costs they incur from the same
classes of persons. Certain governmental authorities can also seek recovery for
damages to natural resources. Currently, U.S. Pipe has been identified as a
potentially responsible party ("PRP") by the EPA under CERCLA with respect to
cleanup of hazardous substances at two sites to which its wastes allegedly were
transported. U.S. Pipe is one of many PRP's at such sites and is in the process
of preliminary investigation of its relationship to these sites, if any, to
determine the nature of its potential liability and amount of remedial costs to
clean up such sites. Although no assurances can be given that U.S. Pipe will not
be required in the future to make material expenditures relating to these sites,
management does not believe at this time that the cleanup costs it will be
called on to bear, if any, associated with these sites will have a material
adverse effect on the financial condition or results of operations of the
Company and its subsidiaries. Management believes the extent of U.S. Pipe's
involvement, if any, to be minor in relation to that of other named PRP's, a
significant number of which are substantial companies.
 
                                       15
<PAGE>
                      DESCRIPTION OF CERTAIN INDEBTEDNESS
 
CREDIT FACILITIES
 
    In conjunction with the closing of the AIMCOR acquisition, on October 15,
1997 the Company completed an $800 million financing with NationsBank, National
Association. The financing consisted of a $350 million revolving credit facility
("Revolving Credit Facility") and a $450 million six-year term loan (the "Term
Loan"). Proceeds from the financing were used to (a) finance the acquisition of
AIMCOR, (b) pay transaction costs, (c) provide ongoing working capital and (d)
replace an existing bank credit facility. The $800 Million Credit Agreement is
secured by guarantees and pledges of the capital stock of all domestic
subsidiaries of the Company other than Mid-State Holdings. Net cash proceeds
from (a) asset sales where the aggregate consideration received exceeds
$20,000,000 and the cumulative amount of such proceeds from such sales since the
most recent preceding prepayment equals or exceeds $5,000,000, (b) each
Permitted Receivables Securitization (as defined in the $800 Million Credit
Agreement) or (c) the issuance of Consolidated Indebtedness (as defined in the
$800 Million Credit Agreement) permitted thereunder must be applied to
permanently reduce the $800 Million Credit Agreement. There have been no such
proceeds to date. The Revolving Credit Facility has a term of six years and the
Term Loan amortizes over a six-year period. Scheduled principal payments to be
made on the Term Loan in each of the six years commencing October 15, 1998 are
$25,000,000, $50,000,000, $75,000,000, $75,000,000, $100,000,000 and
$125,000,000, respectively.
 
    The $800 Million Credit Agreement contains a number of covenants, including
restrictions on liens, indebtedness, leases, mergers, sales or dispositions of
assets, investments, dividends, repurchases of shares of capital stock,
prepayment of indebtedness and capital expenditures, as well as financial
covenants with respect to leverage ratios, and fixed charge coverage ratios. The
borrowers are required to maintain a leverage ratio (the ratio of indebtedness
to consolidated EBITDA) of not more than 3.90 to 1 for the measurement period
ending May 30, 1998, 3.75 to 1 for the measurement period commencing May 31,
1998 and ending May 30, 1999 and 3.25 to 1 thereafter. The borrowers' fixed
charge coverage ratio (the ratio of (a) EBITDA minus capital expenditures to (b)
the sum of all required principal payments on outstanding indebtedness, interest
expense and dividends paid) is required to be at least 1.25 to 1 at the end of
each Four Quarter Period (as defined in the $800 Million Credit Agreement) for
the duration of the $800 Million Credit Agreement. Compliance by the borrowers
with the above-referenced measures is required under the $800 Million Credit
Agreement beginning with the period ending February 28, 1998.
 
    Borrowings under the Company's $800 Million Credit Agreement bear interest
at rates that fluctuate. As of November 30, 1997, borrowing under the $800
Million Credit Agreement totaled $692.1 million. In addition, there were $32.1
million face amount letters of credit outstanding thereunder.
 
                                       16
<PAGE>
                          DESCRIPTION OF CAPITAL STOCK
 
AUTHORIZED CAPITAL STOCK
 
    The Company's authorized capital stock consists of 200,000,000 shares of
Common Stock, par value $.01 per share. On June 24, 1997, the Company
repurchased 1,387,092 shares of outstanding Common Stock and such shares are
being held as treasury stock. At November 30, 1997, there were 53,695,115 shares
of Common Stock issued and outstanding. See "Additional Stock Issuances" below.
Harris Trust and Savings Bank is the transfer agent and registrar for the Common
Stock.
 
COMMON STOCK
 
    The holders of the Common Stock are entitled to one vote for each share held
of record on all matters as to which stockholders are entitled to vote. There
are no cumulative voting rights in the election of directors. The quorum
required at any stockholders' meeting for consideration of any matter is a
majority of the issued and outstanding shares of Common Stock, represented in
person or by proxy.
 
    Holders of the Common Stock are entitled to receive dividends when, as and
if declared by the Board of Directors out of funds legally available for
dividends. See "Certain Risk Factors--Dividend Policy; Restrictions on Payment
of Dividends". In the event of any liquidation, dissolution or winding up of the
Company, the holders of the Common Stock are entitled to receive pro rata any
assets distributable to stockholders in respect of shares held by them, after
payment of all obligations of the Company.
 
    The outstanding shares of the Common Stock (including the Shares offered
hereby) are duly authorized, validly issued, fully paid and nonassessable.
 
ADDITIONAL STOCK ISSUANCES
 
    Pursuant to the Plan of Reorganization, the Company was or may be required
to issue additional Common Stock to the holders of common stock of the Company
immediately prior to the Effective Date of the Plan of Reorganization ("Original
Stockholders") on the dates and in the amounts described below, in each case on
a pro rata basis. Solely for the purpose of calculating the number of shares to
be issued in these issuances, such additional Common Stock will be valued at a
price per share of $22.86 (the "Common Stock Value Per Share"). Original
Stockholders have received and will be entitled to receive shares of Common
Stock as follows:
 
        (A)  On the date on which a final, non-appealable order is entered
    resolving the total amount of claims of the IRS against the Company or any
    of its subsidiaries (other than Cardem Insurance and J.W. Railroad) arising
    prior to the Effective Date of the Plan of Reorganization and entitled to
    priority under Section 507(a)(7) of the Bankruptcy Code ("Federal Income Tax
    Claims"), the Original Stockholders will receive Common Stock with an
    aggregate Common Stock Value Per Share equal to the amount by which the
    total amount of the Federal Income Tax Claims is reduced below $27 million
    (the "Federal Income Tax Claims Differential"). Such Common Stock shall be,
    first, issued by the Company directly to the Original Stockholders up to a
    number of shares having an aggregate Common Stock Value Per Share equal to
    the excess, if any, of (A) $88.7 million over (B) the aggregate Common Stock
    Value Per Share of all shares of Common Stock theretofore issued into escrow
    as described in the next paragraph, and second, be satisfied by the release
    from such escrow of any remaining shares of Common Stock issuable to
    Original Stockholders pursuant to such provisions.
 
        (B)  The Plan of Reorganization provides that if, on or prior to August
    24, 1995 (the 160th day following the Effective Date of the Plan of
    Reorganization), (i) one or more Veil Piercing Settlement Tax Savings Events
    (as defined below) had not occurred in respect of (and the Tax Oversight
    Committee had not determined) the maximum Veil Piercing Settlement Tax
    Savings Amount (as defined below) that could result from a good faith claim
    by the Company's consolidated tax group of both (a) a refund with respect to
    tax years prior to the tax year in which the Effective Date of the Plan
 
                                       17
<PAGE>
    of Reorganization occurred, and (b) a deduction with respect to the tax year
    in which the Effective Date of the Plan of Reorganization occurs
    (collectively, the "Initial Claim"), or (ii) the Company had not issued and
    delivered into escrow with an escrow agent selected by the Company, Lehman
    and AIF II, L.P., certain of its affiliates and certain accounts controlled
    or managed by such affiliates (AIF II, L.P., such affiliates and accounts,
    collectively, "Apollo") certificates representing shares of Common Stock
    having an aggregate Common Stock Value Per Share equal to the full amount of
    such maximum Veil Piercing Settlement Tax Savings Amount, then not later
    than September 13, 1995 (the 180th day after the Effective Date of the Plan
    of Reorganization) the Company was to issue and deliver into escrow
    certificates representing Common Stock having an aggregate Common Stock
    Value Per Share equal to the sum of (i) that part of the Veil Piercing
    Settlement Tax Savings Amount arising from the Initial Claim in respect of
    which shares of Common Stock had not theretofore been issued into escrow, as
    such Veil Piercing Settlement Tax Savings Amount (whether or not a Veil
    Piercing Settlement Tax Savings Event shall previously have occurred) was
    estimated in good faith by the Chief Financial Officer of the Company and
    set forth in a certificate delivered to the Tax Oversight Committee (and
    such amount shall be the Veil Piercing Settlement Tax Savings Amount for
    purposes of provisions described in this sentence) and (ii) an additional
    amount equal to the lesser of (a) $13 million and (b) an amount that would
    cause the total number of shares of Common Stock to be issued into escrow to
    have an aggregate Common Stock Value Per Share equal to $88.7 million. A
    "Veil Piercing Settlement Tax Savings Event" is any filing by the Company's
    consolidated tax group or any member thereof of a tax return for a tax year
    ending on or after May 31, 1995 or a claim for refund or deduction for a tax
    year ending prior to May 31, 1995 on which a Veil Piercing Settlement Tax
    Savings Amount was claimed. A "Veil Piercing Settlement Tax Savings Amount"
    is the difference between (i) the aggregate amount of federal, state and
    local tax payable by members of the Company's consolidated group as reported
    on such members' relevant tax returns and (ii) the aggregate amount of
    federal, state and local income tax that would have been reported on such
    returns if the distribution under the Veil Piercing Settlement Agreement had
    not been made, as determined by the Tax Oversight Committee. The Company
    believes that it may properly deduct in full the payment made under the Plan
    of Reorganization to Celotex, in its capacity as the Celotex Settlement Fund
    Recipient, but there can be no assurance that the IRS will not challenge the
    deduction and, if it does so, whether such challenge will succeed. On August
    23, 1995, the Chief Financial Officer of the Company delivered the
    aforementioned certificate to the Tax Oversight Committee, and on September
    13, 1995 the Company delivered 3,880,140 shares of Common Stock into escrow.
    The number of shares delivered in escrow was derived by dividing the
    requisite amount of aggregate Common Stock Value Per Share ($88.7 million),
    calculated as described above, by a negotiated per share valuation of $22.86
    which was based upon a valuation of the Company (the "Net Enterprise Value")
    negotiated by the various parties to the Plan of Reorganization. The Net
    Enterprise Value, after certain adjustments, was divided by 50 million
    shares anticipated to be issued pursuant to the Plan of Reorganization to
    the creditors and Original Stockholders to derive the Common Stock Value Per
    Share.
 
        The Original Stockholders, on a pro rata basis, are entitled to exercise
    all voting rights of, and receive all dividends and other distributions on,
    Common Stock held in escrow. The amount of such dividends and other
    distributions must be returned to the Company if such shares are
    subsequently cancelled prior to release from escrow. Such shares will be
    released from escrow as soon as practicable after the Tax Oversight
    Committee determines that the applicable Veil Piercing Settlement Tax
    Savings Amount is no longer subject to adjustment because (i) the statutory
    period during which assessments (or denial of a refund claim) can be made
    with respect to such Veil Piercing Settlement Tax Savings Amount has passed,
    (ii) the Company and the IRS or other relevant taxing authority have entered
    into a closing or similar agreement governing the years or issues in
    question with respect to such Veil Piercing Settlement Tax Savings Amount,
    or (iii) a court decision determining the income tax liability (or the right
    to such refund) with respect to such Veil Piercing Settlement Tax Savings
    Amount has been rendered and the time period for the filing of an appeal has
    passed.
 
                                       18
<PAGE>
    Notwithstanding and in addition to the foregoing, the Plan of Reorganization
provides that $11.3 million of Common Stock (as calculated using the Common
Stock Value Per Share) be issued directly to the Original Stockholders on a pro
rata basis at the same time as shares of Common Stock are first issued into
escrow; accordingly, on September 13, 1995, the Company issued 494,313 shares of
Common Stock to the Original Stockholders on a pro rata basis.
 
    The Plan of Reorganization limits the number of shares issuable under the
provisions described in (A) and (B) above to that number of shares of Common
Stock that, when added to the shares issued to the Original Stockholders on the
Effective Date of the Plan of Reorganization, has an aggregate Common Stock
Value Per Share of $250 million. The Plan of Reorganization contains an
arbitration provision for the final determination of any dispute that may arise
between KKR (the principal Original Stockholder) and the Tax Oversight Committee
with respect to any determination made by the Tax Oversight Committee regarding
the provisions of the Plan of Reorganization described in (B) above. The Plan of
Reorganization also provides that, for purposes of the Federal Income Tax Claims
Differential, the amount of Federal Income Tax Claims shall not be reduced by
any Veil Piercing Settlement Tax Savings Amount and that any terms of any
settlement or agreement regarding Federal Income Tax Claims shall not be agreed
to by the Company or any subsidiary thereof without the prior consent of the Tax
Oversight Committee.
 
    Pursuant to the Plan of Reorganization, a total of 54,868,766 shares of
Common Stock were issued to creditors and former stockholders of the Company.
The Creditors Plan provided that subordinated bondholders could elect to receive
"Qualified Securities" (cash and/or new Senior Notes) in lieu of Common Stock of
the Company. The Plan of Reorganization confirmed by the Bankruptcy Court, which
technically constituted a modification of the Creditors Plan, kept in place the
bondholders' election. Certain subordinated bondholders, however, were unable to
provide documentation evidencing their right to receive Qualified Securities
within the two-year time frame prescribed by the Plan of Reorganization. As a
result, approximately 212,000 additional shares of Common Stock were issued in
lieu of Qualified Securities in 1997. In addition, certain former stockholders
did not tender their shares, which resulted in approximately 17,000 shares not
being issued. On July 12, 1997, 9,690 shares of Common Stock were released from
escrow and cancelled because certain former stockholders did not tender their
shares of Walter Industries Common Stock subject to Chapter 11 proceedings
within the two-year time frame prescribed by the Plan of Reorganization and thus
were ineligible to receive the escrowed shares.
 
    The Company is authorized to issue additional shares of capital stock from
time to time. There are no specific restrictions upon such issuances, except
that the Charter prohibits the issuance of non-voting equity securities if, and
only to the extent that and so long as, Section 1123 of the Bankruptcy Code is
applicable and would prohibit such issuance. The Company's stockholders will not
have preemptive rights to purchase additional shares of capital stock of the
Company upon any issuance of such shares authorized by the Board.
 
STOCKHOLDER'S AGREEMENT
 
    Pursuant to the Stockholder's Agreement dated as of the Effective Date of
the Plan of Reorganization (the "Stockholder's Agreement") between the Company
and the Celotex Settlement Fund Recipient, the Celotex Settlement Fund Recipient
has agreed that it or its successor, in any vote or action by written consent by
holders of Common Stock on any matter submitted to a vote of holders of Common
Stock, will vote, and execute written consents with respect to, the shares of
Common Stock held by it for and/or against such matter in proportion to the
votes cast or consents executed and delivered by all other holders of Common
Stock. Identical restrictions on the voting of the Celotex Settlement Fund
Recipient's Common Stock are contained in the Charter and in the Plan of
Reorganization. Pursuant to the Stockholder's Agreement, the Celotex Settlement
Fund Recipient further agreed not to, and to cause its affiliates not to, offer,
sell, assign, give, pledge, encumber or otherwise dispose of any shares of its
Common Stock or any interest therein or right thereto to any person that is a
successor to or creditor of the Celotex Settlement Fund Recipient or a creditor
of Celotex (any such creditor, a "Celotex Settlement
 
                                       19
<PAGE>
Fund Beneficiary"), in such person's capacity as such, unless such person
executes and delivers an instrument, in form and substance reasonably
satisfactory to the Company, pursuant to which it agrees to be bound by the
Stockholder's Agreement to the same extent as the Celotex Settlement Fund
Recipient. Pursuant to the Modified Plan, the shares of Common Stock held of
record by the Celotex Settlement Fund Recipient are vested in the Asbestos
Settlement Trust. The Asbestos Settlement Trust has agreed to be bound by the
Stockholder's Agreement to the same extent as the Celotex Settlement Fund
Recipient.
 
TAG-ALONG AND VOTING RIGHTS AGREEMENT
 
    Pursuant to the Tag-Along and Voting Rights Agreement dated as of the
Effective Date of the Plan of Reorganization (the "Tag-Along and Voting Rights
Agreement") among Celotex, on behalf of the Celotex Settlement Fund Recipient,
Apollo and Lehman (collectively, the "Tag-Along Stockholders") each Tag-Along
Stockholder agreed that if it proposes to dispose of any Common Stock held by it
on the Effective Date of the Plan of Reorganization to any third party (other
than transactions described below), the other Tag-Along Stockholders will have
the right to include the shares of Common Stock held by them on the Effective
Date of the Plan of Reorganization in such disposition transaction on the same
terms and conditions, provided, however, that if the initiating Tag-Along
Stockholder is Lehman or Apollo, then Lehman or Apollo, respectively, will not
be entitled to participate in such disposition transaction. If the Tag-Along
Stockholders collectively desire to sell more shares of Common Stock than the
proposed purchaser desires to purchase, each Tag-Along Stockholder shall sell a
pro rata number of its shares. The foregoing does not apply to any transaction
effected on a national securities exchange, on the National Association of
Securities Dealers Automated Quotation System or through a registered broker-
dealer or made pursuant to a public offering under an effective registration
statement under the Securities Act. The foregoing also does not apply to any
disposition by a Tag-Along Stockholder to an affiliate or by the Celotex
Settlement Fund Recipient to a successor or a Celotex Settlement Fund
Beneficiary. The parties have agreed that any of their transferees which is an
affiliate or, in the case of the Celotex Settlement Fund Recipient, a successor
or a Celotex Settlement Fund Beneficiary must, prior to such transfer, agree in
writing to be bound by the Tag-Along and Voting Rights Agreement as if it had
been an original party thereto.
 
    The Celotex Settlement Fund Recipient also has agreed, and will cause each
of its affiliates, to vote and execute written consents with respect to their
shares of Common Stock in proportion to the votes cast or consents executed and
delivered by all other holders of Common Stock, in any vote or action by written
consent by holders of Common Stock.
 
COMMON STOCK REGISTRATION RIGHTS AGREEMENTS
 
    The Company entered into a Registration Rights Agreement, dated as of the
Effective Date of the Plan of Reorganization (the "Common Stock Registration
Rights Agreement"), with certain holders (Lehman Brothers Inc., JWC Associates,
L.P., JWC Associates II, L.P., KKR Partners II, L.P., Kenneth J. Matlock, James
W. Walter, William H. Weldon, William N. Temple, Donald M. Kurucz, Robert W.
Michael, William Carr, Sam J. Salario, David L. Townsend and Celotex;
collectively, the "Common Stock Holders") of Common Stock pursuant to which the
Company agreed to file an initial shelf registration statement (the "Initial
Shelf Common Stock Registration Statement") and the Registration Statement of
which this Prospectus forms a part (the "Second Common Stock Shelf
Registration") and use its reasonable best efforts to keep such Second Common
Stock Shelf Registration continuously effective for up to twelve months.
 
    After each period of effectiveness, one or more Common Stock Holders may
request to have all or part of their Common Stock as to which registration
pursuant to the Securities Act is required for public sale ("Registrable Common
Stock") registered under the Securities Act, and all other Common Stock Holders
have the right to participate in any such registration; provided that (i) the
Company is not required to effect more than two such registrations, (ii) no such
registration may be requested within 180
 
                                       20
<PAGE>
days of the effectiveness of any such earlier registration or a registration as
to which Common Stock Holders have "piggyback" registration rights (as discussed
below), (iii) the Company is not required to effect any such registration unless
at least 5% of the shares of Registrable Common Stock outstanding at the time of
such request is to be included in such registration and (iv) if the intended
method of distribution is an underwritten public offering, the Company may
require the underwriting to be conducted on a "firm commitment" basis. Any such
requested registration may be effected pursuant to a shelf registration
statement under Rule 415 of the Securities Act (a "Shelf Registration"); any
such registration (other than a Shelf Registration, which must be kept effective
by the Company for up to one year, if made pursuant to the first demand under
the provisions described in this paragraph or nine months otherwise) need not be
kept effective by the Company for more than 90 days. If the intended method of
distribution is an underwritten public offering, the underwriters must be
nationally recognized, selected by Common Stock Holders owning at least a
majority of the shares of Registrable Common Stock being registered (the
"Majority Selling Common Stock Holders") and reasonably acceptable to the
Company. In addition, if the managing underwriter advises the Company in writing
that, in its opinion, the number of shares requested to be registered exceeds
the number that can be sold within a price range specified by the Majority
Selling Common Stock Holders, the shares requested to be included by Common
Stock Holders shall be included in the registration on a pro rata basis in
preference to any other shares which the Company or any person wishes to include
in such registration.
 
    The KKR Investors and Lehman Holdings, as Common Stock Holders which own
more than 5% of the shares of Registrable Common Stock outstanding, have
exercised the first of the two demand registration rights described above and
have agreed with the Company that such demand shall be satisfied by the Company
causing the Initial Common Stock Shelf Registration to remain effective beyond
the first anniversary of the effective date of the Initial Common Stock Shelf
Registration for an additional year.
 
    If the Company proposes to register any of its securities under the
Securities Act (other than any registration of any securities on Form S-4 or
Form S-8), the Common Stock Holders have the right, pursuant to a written
request submitted within 20 days (10 days in certain circumstances) of receipt
of notice thereof from the Company, to participate in such registration.
 
    Upon a request of Common Stock Holders owning at least a majority of the
shares of Registrable Common Stock requested to be included in a demand or
"piggyback" registration made at any time on or after March 17, 1996, the
Company has agreed to use its best efforts to (i) cause the Common Stock covered
by such registration to be listed on a national securities exchange or to be
quoted through NASDAQ or (ii) provide for at least two market makers for the
Common Stock.
 
    All expenses of the Company in connection with the performance of its
obligations under the Common Stock Registration Rights Agreement and the
reasonable fees, disbursements and other charges of one firm of counsel (per
registration) selected by the Majority Selling Common Stock Holders (but
excluding underwriting discounts and commissions and transfer taxes) shall be
borne by the Company, except where some or all of the Common Stock Holders
withdraw or terminate their requests prior to the registration statement
becoming effective, in which case such Common Stock Holders shall be required to
bear some or all of such expenses, provided that if the Company elects not to
proceed with a registration as to which Common Stock Holders have "piggyback"
registration rights as described above or elects not to proceed with any
registration as described in the second succeeding paragraph, the Company must
bear all reasonable out-of-pocket costs (other than counsel fees, disbursements
and other charges not specifically referred to above) incurred by a Common Stock
Holder in connection with such terminated registration. In addition, pursuant to
the Common Stock Registration Rights Agreement, the Company has agreed to
indemnify each offeror of Registrable Common Stock covered by a registration
statement filed pursuant to the Common Stock Registration Rights Agreement, each
other person who participates as an underwriter in such offering, each other
person who controls such offerors or underwriters and their respective
directors, officers, partners, agents and affiliates against certain
liabilities, including liabilities under the Securities Act.
 
                                       21
<PAGE>
    The Company is not obligated to file any registration statement under the
Common Stock Registration Rights Agreement or any amendment or supplement
thereto (other than the Registration Statement of which this Prospectus forms a
part and amendments and supplements thereto) and may suspend any seller's rights
to make sales pursuant to any effective registration statement (provided that
the right to effect sales pursuant to the Registration Statement of which this
Prospectus forms a part may not be suspended prior to the ninetieth day
following the date hereof) at any time when the Company, in the good faith
judgment of its Board of Directors, reasonably believes that the filing thereof
at the time requested, or the offering of securities thereto, would adversely
affect a pending or proposed public offering of the Company's securities, a
material financing, or a material acquisition, merger, recapitalization,
consolidation, reorganization or similar transaction, or negotiations,
discussions or pending proposals with respect thereto. Such a deferral of the
filing of a registration statement or an amendment or supplement thereto or
suspension of a seller's right to effect sales may continue for no more than 10
days after the abandonment or consummation of any of the foregoing proposals or
transactions or 60 days after the date of the Board's determination referred to
in the preceding sentence. In the event of such a suspension, the applicable
registration period will be extended by the number of days of the suspension.
 
LOCK-UP AGREEMENTS
 
    Pursuant to the Common Stock Registration Rights Agreement, each Common
Stock Holder has agreed, if required by the managing underwriter of any
underwritten offering and except as required otherwise under applicable law, not
to sell any equity securities of the Company during the 10 days preceding or 120
days following the effective date of an underwritten registration under the
Common Stock Registration Rights Agreement. The Company has agreed not to (and
to cause certain other holders of equity securities acquired after the Effective
Date of the Plan of Reorganization to agree not to) effect any public offering
and sale of Common Stock pursuant to an effective registration statement during
such period of time.
 
CHANNEL ONE REGISTRATION RIGHTS AGREEMENT
 
    The Company has entered into a Registration Rights Agreement dated as of
September 12, 1995 (the "Channel One Registration Rights Agreement") with
Channel One pursuant to which the Company has agreed to include in the Initial
Common Stock Shelf Registration all shares of Common Stock owned by Channel One.
The Company has also agreed to include all shares of Common Stock owned by
Channel One in each registration statement filed by the Company subsequent to
the filing of the Initial Common Stock Shelf Registration which includes shares
of Registrable Common Stock to the extent that the Company may do so without
breaching any of its obligations under the Common Stock Registration Rights
Agreement and otherwise on the terms and subject to the conditions of the Common
Stock Registration Rights Agreement that are applicable to the holders of the
shares of Registrable Common Stock included in such registration statement. The
Channel One Registration Rights Agreement provides that certain provisions of
the Common Stock Registration Rights Agreement are binding upon and applicable
to the parties thereto, including those provisions described above relating to
expenses, indemnification, postponements and suspensions.
 
ANTITAKEOVER LEGISLATION
 
    For information concerning the Delaware statute restricting business
combinations between a Delaware corporation and "interested stockholders" of
such corporation, see "Certain Risk Factors--Certain Corporate Governance
Matters; Antitakeover Legislation."
 
                                       22
<PAGE>
                    CERTAIN FEDERAL INCOME TAX CONSEQUENCES
 
    The following summary describes certain United States federal income tax and
estate tax consequences of the ownership of Shares by Non-United States Holders
(as defined below) as of the date hereof. This discussion does not address all
aspects of United States federal income taxation and does not deal with foreign,
state and local consequences that may be relevant to such Non-United States
Holders in light of their personal circumstances. Furthermore, the discussion
below is based upon the provisions of the Internal Revenue Code of 1986, as
amended (the "Code"), and regulations, rulings and judicial decisions thereunder
as of the date hereof, and such authorities may be repealed, revoked or modified
so as to result in federal income tax consequences different from those
discussed below. PERSONS CONSIDERING THE PURCHASE, OWNERSHIP OR DISPOSITION OF
SHARES SHOULD CONSULT THEIR OWN TAX ADVISORS CONCERNING THE FEDERAL INCOME TAX
CONSEQUENCES IN LIGHT OF THEIR PARTICULAR SITUATIONS AS WELL AS ANY CONSEQUENCES
ARISING UNDER THE LAWS OF ANY OTHER TAXING JURISDICTION.
 
    As used herein, a "Non-United States Holder" of Shares means a holder who is
not (i) a citizen or resident of the United States, (ii) a corporation,
partnership or other entity created or organized in or under the laws of the
United States or any political subdivision thereof, (iii) an estate, the income
of which is subject to United States federal income taxation regardless of its
source or (iv) a trust which is subject to the supervision of a court within the
United States and the control of a United States fiduciary as described in
section 7701(a)(30) of the Code.
 
PAYMENT OF DIVIDENDS
 
    If the Company pays dividends on its Shares, such dividends paid to a
Non-United States Holder of Shares will be subject to withholding of United
States federal income tax rate at a 30% rate or such lower rate as may be
specified by an applicable income tax treaty, unless the dividends are
effectively connected with the conduct of a trade or business of the Non-United
States Holder within the United States. Certain certification and disclosure
requirements must be complied with in order to be exempt from withholding under
the effectively connected income exception. Dividends that are effectively
connected with the conduct of a trade or business within the United States and,
where a tax treaty applies, attributable to a United States permanent
establishment of the Non-United States Holder, are subject to United States
federal income tax on a net income basis at applicable graduated individual or
corporate rates. Any such effectively connected dividends received by a foreign
corporation may, under certain circumstances, be subject to an additional
"branch profits tax" at a 30% rate or such lower rate as may be specified by an
applicable income tax treaty.
 
    Under current United States Treasury regulations, dividends paid to an
address outside the United States are presumed to be paid to a resident of such
country (unless the payor has knowledge to the contrary) for purposes of the
withholding discussed above, and, under the current interpretation of United
States Treasury regulations, for purposes of determining the applicability of a
tax treaty rate. Under recently finalized Treasury regulations (the "Final
Regulations"), a Non-United States Holder of Shares who wishes to claim the
benefit of an applicable treaty rate (and avoid back-up withholding as discussed
below) for dividends paid after December 31, 1998 will be required to satisfy
applicable certification and other requirements. A Non-United States Holder of
Shares eligible for a reduced rate of United States withholding tax pursuant to
an income tax treaty may obtain a refund of any excess amounts withheld by
filing an appropriate claim for refund with the IRS.
 
SALE OR EXCHANGE
 
    A Non-United States Holder will generally not be subject to United States
federal income tax with respect to gain recognized on a sale, exchange or other
disposition of Shares unless (i) the gain is effectively connected with the
conduct of a trade or business of the Non-United States Holder in the United
States and, where a tax treaty applies, attributable to a United States
permanent establishment of the Non-United States Holder, (ii) in the case of a
Non-United States Holder who is an individual and
 
                                       23
<PAGE>
holds the Shares as capital assets, such holder is present in the United States
for 183 days or more in the taxable year of sale, exchange or other disposition
and certain other conditions are met, or (iii) the Company is or has been a
"U.S. real property holding corporation" for United States federal income tax
purposes. The Company does not believe it is a "U.S. real property holding
corporation" (a "USRPHC") for United States federal income tax purposes and does
not anticipate becoming a USRPHC.
 
    An individual Non-United States Holder described in clause (i) above will be
taxed on the net gain derived from the sale under regular graduated United
States federal income tax rates. An individual Non-United States Holder
described in clause (ii) above will be subject to a flat 30% tax on the gain
derived from the sale, which may be offset by United States capital losses
(notwithstanding the fact that the individual is not considered a resident of
the United States). If a Non-United States Holder that is a foreign corporation
falls under clause (i) above, it will be taxed on its gain under regular
graduated United States federal income tax rates and, in addition, may be
subject to the branch profits tax equal to 30% of its effectively connected
earnings and profits within the meaning of the Code for the taxable year, as
adjusted for certain items, unless it qualifies for a lower rate under an
applicable income tax treaty.
 
FEDERAL ESTATE TAX
 
    Common Stock held by an individual Non-United States Holder at the time of
death will be included in such holder's gross estate for United States federal
estate tax purposes, unless an applicable estate tax treaty provides otherwise.
 
BACKUP WITHHOLDING AND INFORMATION REPORTING
 
    The Company must report annually to the IRS and to each Non-United States
Holder the amount of dividends paid to such holder and the tax withheld with
respect to such dividends, regardless of whether withholding was required.
Copies of the information returns reporting such dividends and withholding may
also be made available to the tax authorities in the country in which the
Non-United States Holder resides under the provisions of an applicable income
tax treaty.
 
    Under current law, backup withholding (which generally is a withholding tax
imposed at the rate of 31% on certain payments to persons that fail to furnish
certain information under the United States information reporting requirements)
generally will not apply to dividends paid to a Non-United States Holder at an
address outside the United States (unless the payer has knowledge that the payee
is a U.S. person). Under the Final Regulations, however, a Non-United States
Holder will be subject to backup withholding unless applicable certification
requirements are met.
 
    The payment of the proceeds of a sale, exchange or other disposition of
Shares by or through the United States office of a broker is subject to both
backup withholding and information reporting unless the beneficial owner
certifies under penalties of perjury that it is a Non-United States Holder or
otherwise establishes an exemption. In general, backup withholding and
information reporting will not apply if a foreign office of a broker pays the
proceeds of the sale of Shares to the owner thereof. If, however, such broker
is, for United States federal income tax purposes, a U.S. person, a controlled
foreign corporation or a foreign person that derives 50% or more of its gross
income for certain periods from the conduct of a trade or business in the United
States, such payments will be subject to information reporting, but not backup
withholding, unless (1) such broker has documentary evidence in its records that
the beneficial owner is not a U.S. person and certain other conditions are met
or (2) the beneficial owner otherwise establishes an exemption.
 
    Any amounts withheld under the backup withholding rules will be allowed as a
refund or a credit against such holder's U.S. federal income tax liability
provided the required information is furnished to the IRS.
 
    PROSPECTIVE INVESTORS ARE URGED TO CONSULT THEIR OWN TAX ADVISORS AS TO THE
PARTICULAR TAX CONSEQUENCES TO THEM OF ANY INVESTMENT IN THE SHARES, INCLUDING
THE APPLICATION OF FEDERAL, STATE, LOCAL AND FOREIGN TAX LAWS.
 
                                       24
<PAGE>
                            SELLING SECURITY HOLDERS
 
    The following table sets forth information with respect to the Shares
offered hereby beneficially owned by each of the Selling Security Holders as of
November 30, 1997. The Shares offered hereby may be offered in whole or in part
from time to time by or on behalf of the Selling Security Holders named below.
 
<TABLE>
<CAPTION>
                                                                                        NUMBER OF
                                                                                        SHARES OF
                                                                                          COMMON
                                                                                       STOCK OWNED
                                                                                           AND        PERCENTAGE OF
                                                                                        REGISTERED     OUTSTANDING
SELLING SECURITY HOLDER                                                                 HEREUNDER     COMMON STOCK*
- -------------------------------------------------------------------------------------  ------------  ---------------
<S>                                                                                    <C>           <C>
Lehman Brothers Holdings Inc.........................................................    7,869,525           14.7%
JWC Associates L.P...................................................................    5,862,448           10.9%
JWC Associates II, L.P...............................................................       38,846             **
KKR Partners II, L.P.................................................................      142,115             **
Channel One Associates, L.P..........................................................    4,361,800            8.1%
Robert W. Michael....................................................................        7,801             **
William N. Temple....................................................................        2,228             **
David L. Townsend....................................................................        1,783             **
James W. Walter......................................................................       42,355             **
Asbestos Settlement Trust (1)........................................................   10,941,326           20.4%
                                                                                       ------------           ---
Total................................................................................   29,270,227           54.5%
                                                                                       ------------           ---
                                                                                       ------------           ---
</TABLE>
 
- ------------------------
 
*   All percentages in the table are based on 53,695,115 shares of Common Stock
    being issued and outstanding.
 
**  Owns less than 1% of outstanding Common Stock.
 
(1) The Asbestos Settlement Trust is the successor to The Celotex Corporation in
    its capacity as the Celotex Settlement Fund Recipient.
 
                                       25
<PAGE>
                              PLAN OF DISTRIBUTION
 
    The Company will receive no proceeds from this offering. The Shares may be
sold from time to time to purchasers directly by any of the Selling Security
Holders. Alternatively, any of the Selling Security Holders may from time to
time offer the Shares through underwriters, dealers or agents, who may receive
compensation in the form of underwriting discounts, concessions or commissions
from the Selling Security Holders and/or the purchasers of Shares for whom they
may act as agent. The Selling Security Holders and any underwriters, dealers or
agents that participate in the distribution of Shares may be deemed to be
underwriters, and any profit on the sale of Shares by them and any discounts,
commissions or concessions received by any such underwriters, dealers or agents
might be deemed to be underwriting discounts and commissions under the
Securities Act.
 
    At the time a particular offer of Shares is made, to the extent required, a
Prospectus Supplement will be provided by the Company and distributed by the
relevant Selling Security Holder which will set forth the aggregate amount and
type of Shares being offered and the terms of the offering, including the name
or names of any underwriters, dealers or agents, any discounts, commissions and
other items constituting compensation from the Selling Security Holders and any
discounts, commissions or concessions allowed or reallowed or paid to dealers.
 
    The Shares may be sold from time to time in one or more transactions at a
fixed offering price, which may be changed, or at varying prices determined at
the time of sale or at negotiated prices. Such prices will be determined by the
Selling Security Holders or by agreement between the Selling Security Holders
and underwriters or dealers. To the extent not prohibited by applicable
securities laws, Selling Security Holders may sell the Shares other than
pursuant to the Registration Statement of which this Prospectus forms a part.
 
    The Common Stock is listed on the NYSE under the symbol "WLT".
 
    Under applicable rules and regulations under the Exchange Act any person
engaged in a distribution of the Shares may not simultaneously engage in
market-making activities with respect to such Shares for a period of one
business day prior to the commencement of such distribution and ending upon the
completion of such distribution. In addition to and without limiting the
foregoing, each Selling Security Holder will be subject to applicable provisions
of the Exchange Act and the rules and regulations thereunder, including without
limitation Regulation M, which provisions may limit the timing of purchases of
any of the Shares by the Selling Security Holders. All of the foregoing may
affect the marketability of the Shares and the ability of any person or entity
engaged in a distribution of the Shares to engage in market-making activities
with respect to the Shares.
 
    Under guidelines adopted by the National Association of Securities Dealers,
Inc. (the "NASD"), the maximum commission that any NASD member firm can receive
in connection with a distribution of the Shares, without further clearance from
the NASD, is 8%.
 
    Pursuant to the Common Stock Registration Rights Agreement, the Company is
obligated to pay substantially all of the expenses incident to the registration,
offering and sale of the Shares to the public other than commissions and
discounts of underwriters, dealers or agents, and the Selling Security Holders,
and any underwriter they may utilize, and their respective controlling persons
are entitled to be indemnified by the Company against certain liabilities,
including liabilities under the Securities Act. See "Description of Capital
Stock--Common Stock Registration Rights Agreements."
 
                                       26
<PAGE>
                                 LEGAL MATTERS
 
    The validity of the Shares offered hereby has been passed upon for the
Company by Simpson Thacher & Bartlett (a partnership which includes professional
corporations), New York, New York.
 
                                    EXPERTS
 
    The financial statements incorporated in this Prospectus by reference to the
Annual Report on Form 10-K/A for the year ended May 31, 1997, have been so
incorporated in reliance on the report of Price Waterhouse LLP, independent
accountants, given on the authority of said firm as experts in auditing and
accounting.
 
    The financial statements incorporated in this Prospectus by reference to the
audited historical financial statements of AIMCOR included in the Company's
Current Report on Form 8-K/A, filed with the Commission on December 29, 1997,
have been so incorporated in reliance on the report of Arthur Andersen LLP,
independent public accountants, given on the authority of said firm as experts
in auditing and accounting.
 
                                       27
<PAGE>
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
    NO DEALER, SALESMAN OR ANY OTHER PERSON HAS BEEN AUTHORIZED TO GIVE ANY
INFORMATION OR TO MAKE ANY REPRESENTATIONS, OTHER THAN THOSE CONTAINED IN THIS
PROSPECTUS OR ANY PROSPECTUS SUPPLEMENT, IN CONNECTION WITH THE OFFERING MADE BY
THIS PROSPECTUS AND ANY PROSPECTUS SUPPLEMENT, AND INFORMATION OR AND
REPRESENTATIONS NOT HEREIN CONTAINED, IF GIVEN OR MADE, MUST NOT BE RELIED UPON
AS HAVING BEEN AUTHORIZED. THIS PROSPECTUS OR ANY PROSPECTUS SUPPLEMENT DOES NOT
CONSTITUTE AN OFFER TO SELL, OR A SOLICITATION OF AN OFFER TO BUY, THE
SECURITIES OFFERED HEREBY TO ANY PERSON OR BY ANYONE IN ANY JURISDICTION IN
WHICH SUCH OFFER OR SOLICITATION MAY NOT BE MADE. NEITHER THE DELIVERY OF THIS
PROSPECTUS OR ANY PROSPECTUS SUPPLEMENT NOR ANY SALES MADE HEREUNDER OR
THEREUNDER SHALL UNDER ANY CIRCUMSTANCES CREATE ANY IMPLICATION THAT THE
INFORMATION CONTAINED HEREIN IS CORRECT AS OF ANY TIME SUBSEQUENT TO THE DATE
HEREOF OR THEREOF OR THAT THERE HAS BEEN NO CHANGE IN THE AFFAIRS OF THE COMPANY
SINCE THE DATE HEREOF OR THEREOF.
 
                            ------------------------
 
                               TABLE OF CONTENTS
 
<TABLE>
<S>                                     <C>
AVAILABLE INFORMATION.................           2
ADDITIONAL INFORMATION................           2
PRIVATE SECURITIES LITIGATION REFORM
  ACT SAFE HARBOR STATEMENT...........           2
INCORPORATION OF CERTAIN DOCUMENTS BY
  REFERENCE...........................           3
THE COMPANY...........................           4
CERTAIN RISK FACTORS..................           8
DESCRIPTION OF CERTAIN INDEBTEDNESS...          16
DESCRIPTION OF CAPITAL STOCK..........          17
CERTAIN FEDERAL INCOME TAX
  CONSEQUENCES........................          23
SELLING SECURITY HOLDERS..............          25
PLAN OF DISTRIBUTION..................          26
LEGAL MATTERS.........................          27
EXPERTS...............................          27
</TABLE>
 
                               29,270,227 SHARES
 
                                     [LOGO]
 
                                  COMMON STOCK
 
                             ---------------------
 
                                   PROSPECTUS
 
                             ---------------------
 
                                JANUARY   , 1998
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
    NO DEALER, SALESMAN OR ANY OTHER PERSON HAS BEEN AUTHORIZED TO GIVE ANY
INFORMATION OR TO MAKE ANY REPRESENTATIONS, OTHER THAN THOSE CONTAINED IN THIS
PROSPECTUS SUPPLEMENT AND THE ACCOMPANYING PROSPECTUS, IN CONNECTION WITH THE
OFFERING MADE BY THIS PROSPECTUS SUPPLEMENT AND THE ACCOMPANYING PROSPECTUS, AND
INFORMATION AND REPRESENTATIONS NOT HEREIN CONTAINED, IF GIVEN OR MADE, MUST NOT
BE RELIED UPON AS HAVING BEEN AUTHORIZED. THIS PROSPECTUS SUPPLEMENT AND THE
ACCOMPANYING PROSPECTUS DO NOT CONSTITUTE AN OFFER TO SELL, OR A SOLICITATION OF
AN OFFER TO BUY, THE SECURITIES OFFERED HEREBY TO ANY PERSON OR BY ANYONE IN ANY
JURISDICTION IN WHICH SUCH OFFER OR SOLICITATION MAY NOT BE MADE. NEITHER THE
DELIVERY OF THIS PROSPECTUS SUPPLEMENT AND THE ACCOMPANYING PROSPECTUS NOR ANY
SALES MADE HEREUNDER OR THEREUNDER SHALL UNDER ANY CIRCUMSTANCES CREATE ANY
IMPLICATION THAT THE INFORMATION CONTAINED HEREIN IS CORRECT AS OF ANY TIME
SUBSEQUENT TO THE DATE HEREOF OR THEREOF OR THAT THERE HAS BEEN NO CHANGE IN THE
AFFAIRS OF THE COMPANY SINCE THE DATE HEREOF OR THEREOF.
 
                            ------------------------
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                   PAGE
                                                 ---------
<S>                                              <C>
             PROSPECTUS SUPPLEMENT
 
Summary........................................        S-3
Private Securities Litigation Reform Act Safe
  Harbor Statement.............................       S-10
Business.......................................       S-11
Selling Stockholders...........................       S-28
Underwriting...................................       S-29
Legal Matters..................................       S-32
Experts........................................       S-32
 
                  PROSPECTUS
 
Available Information..........................          2
Additional Information.........................          2
Private Securities Litigation Reform Act Safe
  Harbor Statement.............................          2
Incorporation of Certain Documents by
  Reference....................................          3
The Company....................................          4
Certain Risk Factors...........................          8
Description of Certain Indebtedness............         16
Description of Capital Stock...................         17
Certain Federal Income Tax Consequences........         23
Selling Security Holders.......................         25
Plan of Distribution...........................         26
Legal Matters..................................         27
Experts........................................         27
</TABLE>
 
                               12,000,000 SHARES
 
                                     [LOGO]
 
                                  COMMON STOCK
 
                           -------------------------
 
                             PROSPECTUS SUPPLEMENT
                                           , 1998
 
                           -------------------------
 
                               JOINT BOOKRUNNERS
 
                                LEHMAN BROTHERS
                          DONALDSON, LUFKIN & JENRETTE
      SECURITIES CORPORATION
 
                              MERRILL LYNCH & CO.
 
                              SALOMON SMITH BARNEY
 
                       ARNHOLD AND S. BLEICHROEDER, INC.
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>
   
INFORMATION CONTAINED IN THIS PROSPECTUS SUPPLEMENT AND THE ACCOMPANYING
PROSPECTUS IS SUBJECT TO COMPLETION OR AMENDMENT. A REGISTRATION STATEMENT
RELATING TO THESE SECURITIES HAS BEEN FILED WITH THE SECURITIES AND EXCHANGE
COMMISSION PURSUANT TO RULE 415 UNDER THE SECURITIES ACT OF 1933. A FINAL
PROSPECTUS SUPPLEMENT AND PROSPECTUS WILL BE DELIVERED TO PURCHASERS OF THESE
SECURITIES. THIS PROSPECTUS SUPPLEMENT AND THE PROSPECTUS SHALL NOT CONSTITUTE
AN OFFER TO SELL OR THE SOLICITATION OF AN OFFER TO BUY NOR SHALL THERE BE ANY
SALE OF THESE SECURITIES IN ANY STATE IN WHICH SUCH OFFER, SOLICITATION OR SALE
WOULD BE UNLAWFUL PRIOR TO REGISTRATION OR QUALIFICATION UNDER THE SECURITIES
LAWS OF ANY SUCH STATE.
    
<PAGE>
   
                 SUBJECT TO COMPLETION, DATED JANUARY 16, 1998
    
 
PROSPECTUS SUPPLEMENT
(TO PROSPECTUS DATED                , 1998)
 
                               12,000,000 SHARES
 
                                     [LOGO]
                                  COMMON STOCK
                                ----------------
 
    This Prospectus Supplement relates to up to 12,000,000 shares (13,800,000
shares if the over-allotment option described below is exercised in full) (the
"Shares") of common stock, par value $.01 per share (the "Common Stock"), of
Walter Industries, Inc. (the "Company" or "Walter Industries"), a Delaware
corporation formerly named Hillsborough Holdings Corporation, beneficially owned
by the Asbestos Settlement Trust (the "Settlement Trust") and Lehman Brothers
Holdings Inc., an affiliate of Lehman Brothers Inc., one of the underwriters
listed below ("Lehman Brothers Holdings" and, together with the Settlement
Trust, the "Selling Stockholders"). The Company will not receive any of the
proceeds from the sale of the shares offered hereby.
 
    Of the 12,000,000 shares being offered hereby, 2,000,000 shares are being
offered outside the United States and Canada (the "International Offering") by
the International Managers (as defined herein) and 10,000,000 shares are being
offered concurrently in the United States and Canada (the "U.S. Offering" and,
together with the International Offering, the "Offering") by the U.S.
Underwriters (as defined herein and, together with the International Managers,
the "Underwriters"). The offering price and underwriting discounts and
commissions per share in the International Offering and the U.S. Offering are
identical. See "Underwriting."
                            ------------------------
 
    SEE "CERTAIN RISK FACTORS" COMMENCING ON PAGE 8 OF THE ACCOMPANYING
PROSPECTUS FOR INFORMATION CONCERNING CERTAIN RISKS ASSOCIATED WITH AN
INVESTMENT IN ANY OF THE SHARES.
 
   
    The Company's Common Stock is listed on the The New York Stock Exchange,
Inc. (the "NYSE") under the symbol "WLT." The Company's Common Stock was
previously quoted on the Nasdaq National Market under the symbol "WLTR." On
January 14, 1998, the last reported sale price of the Common Stock on the NYSE
was $20 1/8 per share.
    
                            ------------------------
 
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
   EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
     SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION
        PASSED UPON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS
           SUPPLEMENT OR THE PROSPECTUS. ANY REPRESENTATION TO THE
                        CONTRARY IS A CRIMINAL OFFENSE.
 
<TABLE>
<CAPTION>
                                                                                  UNDERWRITING        PROCEEDS TO
                                                                PRICE TO         DISCOUNTS AND          SELLING
                                                                 PUBLIC          COMMISSIONS(1)     STOCKHOLDERS(2)
<S>                                                        <C>                 <C>                 <C>
Per Share................................................          $                   $                   $
Total(3).................................................  $                   $                   $
</TABLE>
 
(1) The Selling Stockholders and the Company have agreed to indemnify the U.S.
    Underwriters and the International Managers against certain liabilities,
    including liabilities under the Securities Act of 1933, as amended.
(2) The Company will pay all fees and expenses related to the Offering,
    estimated at $     .
(3) The Settlement Trust has granted the U.S. Underwriters and the International
    Managers a 30-day option to purchase up to an additional 1,800,000 shares of
    Common Stock on the same terms and conditions as set forth above solely to
    cover over-allotments, if any. If the option is exercised in full, the total
    Price to Public, Underwriting Discounts and Commissions and Proceeds to the
    Selling Stockholders, will be $        , $        and $        ,
    respectively. See "Underwriting."
                         ------------------------------
 
    The Shares offered by this Prospectus Supplement are offered by the
International Managers subject to prior sale, to withdrawal, cancellation or
modification of the offer without notice, to delivery to and to acceptance by
the International Managers and to certain further conditions. It is expected
that delivery of certificates for the Shares will be made at the offices of
Lehman Brothers Inc. in New York, New York, on or about            , 1998.
                            ------------------------
 
                               JOINT BOOKRUNNERS
 
LEHMAN BROTHERS                                     DONALDSON, LUFKIN & JENRETTE
                                                     INTERNATIONAL
      MERRILL LYNCH & CO.
                              SALOMON SMITH BARNEY
                              ARNHOLD AND S. BLEICHROEDER, INC.
 
           , 1998
<PAGE>
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
    NO DEALER, SALESMAN OR ANY OTHER PERSON HAS BEEN AUTHORIZED TO GIVE ANY
INFORMATION OR TO MAKE ANY REPRESENTATIONS, OTHER THAN THOSE CONTAINED IN THIS
PROSPECTUS SUPPLEMENT AND THE ACCOMPANYING PROSPECTUS, IN CONNECTION WITH THE
OFFERING MADE BY THIS PROSPECTUS SUPPLEMENT AND THE ACCOMPANYING PROSPECTUS, AND
INFORMATION AND REPRESENTATIONS NOT HEREIN CONTAINED, IF GIVEN OR MADE, MUST NOT
BE RELIED UPON AS HAVING BEEN AUTHORIZED. THIS PROSPECTUS SUPPLEMENT AND THE
ACCOMPANYING PROSPECTUS DO NOT CONSTITUTE AN OFFER TO SELL, OR A SOLICITATION OF
AN OFFER TO BUY, THE SECURITIES OFFERED HEREBY TO ANY PERSON OR BY ANYONE IN ANY
JURISDICTION IN WHICH SUCH OFFER OR SOLICITATION MAY NOT BE MADE. NEITHER THE
DELIVERY OF THIS PROSPECTUS SUPPLEMENT AND THE ACCOMPANYING PROSPECTUS NOR ANY
SALES MADE HEREUNDER OR THEREUNDER SHALL UNDER ANY CIRCUMSTANCES CREATE ANY
IMPLICATION THAT THE INFORMATION CONTAINED HEREIN IS CORRECT AS OF ANY TIME
SUBSEQUENT TO THE DATE HEREOF OR THEREOF OR THAT THERE HAS BEEN NO CHANGE IN THE
AFFAIRS OF THE COMPANY SINCE THE DATE HEREOF OR THEREOF.
 
                            ------------------------
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                   PAGE
                                                 ---------
<S>                                              <C>
             PROSPECTUS SUPPLEMENT
 
Summary........................................        S-3
Private Securities Litigation Reform Act Safe
  Harbor Statement.............................       S-10
Business.......................................       S-11
Selling Stockholders...........................       S-28
Underwriting...................................       S-29
Legal Matters..................................       S-32
Experts........................................       S-32
 
                  PROSPECTUS
 
Available Information..........................          2
Additional Information.........................          2
Private Securities Litigation Reform Act Safe
  Harbor Statement.............................          2
Incorporation of Certain Documents by
  Reference....................................          3
The Company....................................          4
Certain Risk Factors...........................          8
Description of Certain Indebtedness............         16
Description of Capital Stock...................         17
Certain Federal Income Tax Consequences........         23
Selling Security Holders.......................         25
Plan of Distribution...........................         26
Legal Matters..................................         27
Experts........................................         27
</TABLE>
 
                               12,000,000 SHARES
 
                                     [LOGO]
 
                                  COMMON STOCK
 
                           -------------------------
 
                             PROSPECTUS SUPPLEMENT
                                           , 1998
 
                           -------------------------
 
                               JOINT BOOKRUNNERS
 
                                LEHMAN BROTHERS
                          DONALDSON, LUFKIN & JENRETTE
        INTERNATIONAL
 
                          MERRILL LYNCH INTERNATIONAL
                              SALOMON SMITH BARNEY
                                 INTERNATIONAL
                       ARNHOLD AND S. BLEICHROEDER, INC.
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>
                                    PART II
                     INFORMATION NOT REQUIRED IN PROSPECTUS
 
ITEM 14. OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION
 
<TABLE>
<S>                                                                              <C>
Registration fee...............................................................  $139,072.62
Blue Sky fees and expenses.....................................................    1,500.00
Printing and engraving expenses................................................   95,000.00
Legal fees and expenses........................................................  360,000.00
Accounting fees and expenses...................................................   80,000.00
Miscellaneous..................................................................    2,000.00
                                                                                 ----------
    Total......................................................................  $677,572.62
                                                                                 ----------
                                                                                 ----------
</TABLE>
 
ITEM 15. INDEMNIFICATION OF DIRECTORS AND OFFICERS
 
    Section 145 of the DGCL empowers a Delaware corporation to indemnify any
persons who are, or are threatened to be made, parties to any threatened,
pending or completed legal action, suit or proceeding, whether civil, criminal,
administrative or investigative (other than an action by or in the right of such
corporation), by reason of the fact that such person was an officer or director
of such corporation, or is or was serving at the request of such corporation as
a director, officer, employee or agent of another corporation or enterprise. The
indemnity may include expenses (including attorneys' fees), judgments, fines and
amounts paid in settlement actually and reasonably incurred by such person in
connection with such action, suit or proceeding, provided that such officer or
director acted in good faith and in a manner he reasonably believed to be in or
not opposed to the corporation's best interests and, for criminal proceedings,
had no reasonable cause to believe his conduct was illegal. A Delaware
corporation may indemnify officers and directors against expenses (including
attorneys' fees) in connection with the defense or settlement of an action by or
in the right of the corporation under the same conditions, except that no
indemnification is permitted without judicial approval if the officer or
director is adjudged to be liable to the corporation. Where an officer or
director is successful on the merits or otherwise in the defense of any action
referred to above, the corporation must indemnify him against the expenses which
such officer or director actually and reasonably incurred.
 
    Article IV of the By-laws of the Company provides for indemnification of its
officers and directors to the fullest extent permitted by Section 145 of the
DGCL.
 
    Section 102(b)(7) of the DGCL provides that a Delaware corporation may
eliminate or limit the personal liability of a director to a Delaware
corporation or its stockholders for monetary damages for breach of fiduciary
duty as a director, provided that such provision shall not eliminate or limit
the liability of a director (i) for any breach of the director's duty of loyalty
to the corporation or its stockholders, (ii) for acts or omissions not in good
faith or which involve intentional misconduct or a knowing violation of law,
(iii) under Section 174 of the DGCL relating to the unlawful payment of a
dividend or an unlawful stock purchase or redemption or (iv) for any transaction
from which the director derived an improper personal benefit.
 
    Article 6 of the Restated Certificate of Incorporation of the Company
provides for the elimination of personal liability of its directors for monetary
damages for breach of fiduciary duty as a director, except as otherwise provided
by the DGCL.
 
    The Company has entered into a Directors and Officers Indemnification
Agreement which provides that directors and officers shall be indemnified to the
fullest extent permitted by applicable law and obligates the Company to
indemnify the directors and officers of the Company (a) if any director or
officer is or may become a party to any proceeding against all expenses
reasonably incurred by such director or
 
                                      II-1
<PAGE>
officer in connection with the defense or settlement of such proceeding, but
only if such director or officer acted in good faith and in a manner which such
director or officer reasonably believed to be in or not opposed to the best
interests of the Company and, in the case of a criminal action or proceeding,
only if such director or officer had no reasonable cause to believe that his or
her conduct was unlawful, (b) if a director or officer is or may become a party
to any proceeding by or in the name of the Company to procure a judgement in its
favor against all expenses reasonably incurred by such director or officer in
connection with the defense or settlement of such proceeding, but only if such
director or officer acted in good faith and in a manner which such director or
officer reasonably believed to be in or not opposed to the best interests of the
Company, except no indemnification for expenses need be made in respect of any
claim in which such director or officer shall have been adjudged liable to the
Company unless a court in which the proceeding is brought determines otherwise
and (c) if a director or officer has been successful on the merits or otherwise
in defense of any proceeding or claim.
 
    The Common Stock Registration Rights Agreement and the Channel One
Registration Rights Agreement each requires the Company, on the one hand, and
the Holders referred to therein, on the other hand, under certain circumstances,
to indemnify each other and, in the case of the Company's indemnification
obligations, each other person who participates as an underwriter in an offering
thereunder and each other person who controls such parties and/or underwriters
and their respective directors, officers, partners, agents and affiliates
against certain liabilities, including liabilities under the Securities Act,
incurred in connection with each registration of securities pursuant to such
registration rights agreement.
 
    Insofar as indemnification for liabilities arising under the Securities Act
may be permitted to directors, officers and controlling persons of the
Registrant pursuant to the provisions described hereunder or otherwise, the
Registrant has been advised that in the opinion of the Commission such
indemnification is against public policy as expressed in the Securities Act and
is, therefore, unenforceable. In the event that a claim for indemnification
against such liabilities (other than the payment to the Registrant of expenses
incurred or paid by a director, officer or controlling person of the Registrant
in the successful defense of any action, suit or proceeding) is asserted against
the Registrant by such director, officer or controlling person, in connection
with the Shares being registered hereby, the Registrant will, unless in the
opinion of its counsel the matter has been settled by controlling precedent,
submit to a court of appropriate jurisdiction the question whether such
indemnification by it is against public policy as expressed in the Securities
Act and will be governed by the final adjudication of such issue.
 
                                      II-2
<PAGE>
ITEM 16. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES
 
    (a) Exhibits
 
<TABLE>
<CAPTION>
  EXHIBIT NUMBER                                                       DESCRIPTION
- -------------------             -----------------------------------------------------------------------------------------
<C>                  <C>        <S>
 
             2(a)(i)        --  Amended Joint Plan of Reorganization of Walter Industries, Inc. and certain of its
                                subsidiaries, dated as of December 9, 1994 (1)
 
             2(a)(ii)        -- Modification to the Amended Joint Plan of Reorganization of Walter Industries, Inc. and
                                certain of its subsidiaries, as filed in the Bankruptcy Court on March 1, 1995 (2)
 
             2(a)(i  )**        -- Findings of Fact, Conclusions of Law and Order Confirming Amended Joint Plan of
                                Reorganization of Walter Industries, Inc. and certain of its subsidiaries, as modified
 
             3(a)**         --  Restated Certificate of Incorporation of the Company
 
             3(b)**         --  By-Laws of the Company
 
             4(a)(i)**        -- Restated Certificate of Incorporation of the Company (see Exhibit 3(a))
 
             4(a)(i )**        -- By-Laws of the Company (see Exhibit 3(b))
 
             4(b)**         --  Specimen Stock Certificate
 
             5**            --  Opinion of Simpson Thacher & Bartlett regarding legality of the securities being
                                registered
 
            23(a)           --  Consent of Price Waterhouse LLP
 
            23(b)           --  Consent of Arthur Andersen LLP
 
            23(c)**         --  Consent of Simpson Thacher & Bartlett (included in their opinion filed as Exhibit 5
                                hereto)
 
          24**              --  Powers of Attorney
 
          27**              --  Financial Data Schedule
</TABLE>
 
- ------------------------
 
**  Previously filed
 
(1) This Exhibit is incorporated by reference to the Application for
    Qualification of Indenture on Form T-3 filed by the Company with the
    Commission on February 6, 1995.
 
(2) This Exhibit is incorporated by reference to Amendment No. 2 to the
    Application for Qualification of Indenture on Form T-3 filed by the Company
    with the Commission on March 7, 1995.
 
ITEM 17. UNDERTAKINGS
 
    (a) The undersigned registrant hereby undertakes:
 
        (1) To file, during any period in which offers or sales are being made,
    a post-effective amendment to this registration statement:
 
           (i)  To include any prospectus required by section 10(a)(3) of the
       Securities Act of 1933;
 
           (ii)  To reflect in the prospectus any facts or events arising after
       the effective date of the registration statement (or the most recent
       post-effective amendment thereof) which, individually or in the
       aggregate, represents a fundamental change in the information set forth
       in the registration statement;
 
                                      II-3
<PAGE>
           (iii)  To include any material information with respect to the plan
       of distribution not previously disclosed in the registration statement or
       any material change to such information in the registration statement;
 
        Provided, however, that paragraphs (a)(1)(i) and (a)(1)(ii) do not apply
    if the registration statement is on Form S-3 or Form S-8 and the information
    required to be included in a post-effective amendment by those paragraphs is
    contained in periodic reports filed by the registrant pursuant to section 13
    or section 15(d) of the Securities Exchange Act of 1934 that are
    incorporated by reference in the registration statement.
 
        (2) That, for the purpose of determining any liability under the
    Securities Act of 1933, each such post-effective amendment shall be deemed
    to be a new registration statement relating to the securities offered
    therein, and the offering of such securities at that time shall be deemed to
    be the initial bona fide offering thereof.
 
        (3) To remove from registration by means of post-effective amendment any
    of the securities being registered which remain unsold at the termination of
    the offering.
 
    (b) The undersigned registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act of 1933, each filing of the
registrant's annual report pursuant to section 13(a) or section 15(d) of the
Securities Exchange Act of 1934 (and, where applicable, each filing of an
employee benefit plan's annual report pursuant to section 15(d) of the
Securities Exchange Act of 1934) that is incorporated by reference in the
registration statement shall be deemed to be a new registration statement
relating to the securities offered therein, and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.
 
    (c) Insofar as indemnification for liabilities arising under the Securities
Act of 1933 may be permitted to directors, officers and controlling persons of
the registrant pursuant to the foregoing provisions, or otherwise, the
registrant has been advised that in the opinion of the Securities and Exchange
Commission such indemnification is against public policy as expressed in the Act
and is, therefore, unenforceable. In the event that a claim for indemnification
against such liabilities (other than the payment by the registrant of expenses
incurred or paid by a director, officer or controlling person of the registrant
in the successful defense of any action, suit or proceeding) is asserted by such
director, officer or controlling person in connection with the securities being
registered, the registrant will, unless in the opinion of its counsel the matter
has been settled by controlling precedent, submit to a court of appropriate
jurisdiction the question whether such indemnification by it is against public
policy as expressed in the Act and will be governed by the final adjudication of
such issue.
 
                                      II-4
<PAGE>
                                   SIGNATURES
 
    Pursuant to the requirements of the Securities Act of 1933, the Registrant
certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form S-3 and has duly caused this Registration
Statement Amendment to be signed on its behalf by the undersigned, hereunto duly
authorized in the City of Tampa, State of Florida on the 15th day of January,
1998.
 
                                WALTER INDUSTRIES, INC.
 
                                BY              /S/ DEAN M. FJELSTUL
                                     -----------------------------------------
                                                  Dean M. Fjelstul
                                             SENIOR VICE PRESIDENT AND
                                              CHIEF FINANCIAL OFFICER
 
    Pursuant to the requirements of the Securities Act of 1933, this
Registration Statement Amendment has been signed by the following persons in the
capacities indicated on January 15, 1998.
 
          SIGNATURE                        TITLE
- ------------------------------  ---------------------------
              *
- ------------------------------
       James W. Walter          Chairman Emeritus and
                                  Director
              *
- ------------------------------
       Kenneth E. Hyatt         Chairman of the Board,
                                  President,
                                  Chief Executive Officer
                                  and Director
                                  (Principal Executive
                                  Officer)
              *
- ------------------------------
       Dean M. Fjelstul         Senior Vice President and
                                  Chief Financial Officer
                                  (Principal Financial
                                  Officer)
      /s/ FRANK A. HULT
- ------------------------------
        Frank A. Hult           Vice President, Controller
                                  and
                                  Chief Accounting Officer
                                  (Principal Accounting
                                  Officer)
              *
- ------------------------------
     Howard L. Clark, Jr.       Director
              *
- ------------------------------
       James B. Farley          Director
              *
- ------------------------------
        Eliot M. Fried          Director
              *
- ------------------------------
         Perry Golkin           Director
              *
- ------------------------------
       James L. Johnson         Director
              *
- ------------------------------
      Michael T. Tokarz         Director
 
*By:      /s/ FRANK A. HULT
      -------------------------
            Frank A. Hult
          ATTORNEY-IN-FACT
 
                                      II-5
<PAGE>
                                 EXHIBIT INDEX
 
<TABLE>
<CAPTION>
EXHIBIT NUMBER   DESCRIPTION
- ---------------  ---------
 
<S>              <C>        <C>
  2(a)(i)               --  Amended Joint Plan of Reorganization of Walter Industries, Inc. and certain of its
                            subsidiaries, dated as of December 9, 1994 (1)
 
  2(a)(ii)              --  Modification to the Amended Joint Plan of Reorganization of Walter Industries, Inc. and
                            certain of its subsidiaries, as filed in the Bankruptcy Court on March 1, 1995 (2)
 
  2(a)(iii)**           --  Findings of Fact, Conclusions of Law and Order Confirming Amended Joint Plan of
                            Reorganization of Walter Industries, Inc. and certain of its subsidiaries, as modified
 
  3(a)**                --  Restated Certificate of Incorporation of the Company
 
  3(b)**                --  By-Laws of the Company
 
  4(a)(i)**             --  Restated Certificate of Incorporation of the Company (see Exhibit 3(a))
 
  4(a)(ii)**            --  By-Laws of the Company (see Exhibit 3(b))
 
  4(b)**                --  Specimen Stock Certificate
 
  5**                   --  Opinion of Simpson Thacher & Bartlett regarding legality of the securities being
                            registered
 
 23(a)                  --  Consent of Price Waterhouse LLP
 
 23(b)                  --  Consent of Arthur Andersen LLP
 
 23(c)**                --  Consent of Simpson Thacher & Bartlett (included in their opinion filed as Exhibit 5
                            hereto)
 
 24**                   --  Powers of Attorney
 
 27**                   --  Financial Data Schedule
</TABLE>
 
- ------------------------
 
**  Previously filed
 
(1) This Exhibit is incorporated by reference to the Application for
    Qualification of Indenture on Form T-3 filed by the Company with the
    Commission on February 6, 1995.
 
(2) This Exhibit is incorporated by reference to Amendment No. 2 to the
    Application for Qualification of Indenture on Form T-3 filed by the Company
    with the Commission on March 7, 1995.

<PAGE>
                                                                   EXHIBIT 23(A)
 
              CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS
 
   
    We hereby consent to the incorporation by reference in the Prospectus
constituting part of this Post Effective Amendment No. 7 to the Registration
Statement on Form S-3 of our report dated July 10, 1997, appearing on page F-2
of Walter Industries, Inc., Annual Report on Form 10-K/A Amendment No. 1 for the
year ended May 31, 1997. We also consent to the incorporation by reference of
our report on the Financial Statement Schedules appearing on page F-29 of such
Annual Report on Form 10-K/A Amendment No. 1. We also consent to the references
to us under the heading "Experts" in such Prospectus.
    
 
/s/ Price Waterhouse LLP
 
   
Price Waterhouse LLP
Tampa, Florida
January 15, 1998
    

<PAGE>
                                                                   Exhibit 23(b)
 
                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
 
    As independent public accountants, we hereby consent to the incorporation by
reference in this Registration Statement of our report dated December 19, 1997,
appearing in the Current Report on Form 8-K/A of Walter Industries, Inc. filed
with the Securities and Exchange Commission pursuant to the Securities Exchange
Act of 1934. We also consent to the references to us under the heading "Experts"
in such Registration Statement.
 
                                          /s/ Arthur Andersen LLP
 
                                          ARTHUR ANDERSEN LLP
 
   
Denver, Colorado,
  January 15, 1998.
    


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