BUTLER MANUFACTURING CO
S-3, 1997-06-20
PREFABRICATED METAL BUILDINGS & COMPONENTS
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<PAGE>
As filed with the Securities and Exchange Commission on June 20, 1997        
Registration No. _________

                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON D.C. 20549

                                    FORM S-3
             REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933

                          BUTLER MANUFACTURING COMPANY
             (Exact name of registrant as specified in its charter)
                  DELAWARE                                 44-0188420
        (State or other jurisdiction                     (I.R.S. Employer
      of incorporation or organization)                Identification Number)

 BMA Tower, Penn Valley Park (P.O. Box 419917), 
Kansas City, Missouri 64141-0917, (816) 968-3000
(Address,  including zip code, and telephone number,  
including area code, of registrant's principal executive offices)

    John H. Calvert, Esq.                           Copies to:
     Lathrop & Gage L.C.                       Richard O. Ballentine
2345 Grand Boulevard, Suite 2600   Vice President, General Counsel and Secretary
   Kansas City, Missouri 64108             Butler Manufacturing Company
        (816) 460-5807             BMA Tower, Penn Valley Park (P.O. Box 419917)
                                          Kansas City, Missouri 64141-0917
                                                  (816) 968-3206
(Name, address, including zip code, and telephone number, 
including area code, of agent for service)  

         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, 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 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. [ ]
<PAGE>
<TABLE>
<CAPTION>
                         CALCULATION OF REGISTRATION FEE
<S>                              <C>                <C>                 <C>                 <C>       
                                                    Proposed         Proposed Maximum
                                                    Maximum             Aggregate
Title of Each Class of           Amount to be       Offering Price      Offering            Amount of
Securities to be Registered      Registered(1)      Per Unit(2)         Price(2)            Registration Fee
                                                                                            
Common Stock, no par value       191,777            $36.25              $6,951,916          $2,107
<FN>
(1)     Plus such additional amount which may result from stock splits, stock
        dividends or similar transactions with respect to undistributed shares.  
(2)     Pursuant to Rule 457(c) and (h), and solely for purposes of calculating
        the registration fee, the proposed maximum offering price per share and 
        the proposed maximum aggregate offering price are based upon the average
        of the high and low prices of the Common  Stock of the  Registrant  as
        reported  in the  consolidated  trading  system of the New York  Stock
        Exchange on June 16, 1997.
</FN>
</TABLE>
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
theSecurities Act of 1933, as amended, or until the registration statement shall
become effective on such date as the commission, acting pursuant to said section
8(a), may determine.




<PAGE>



         Information  contained herein is subject to completion or amendment.  A
registration  statement  relating  to these  securities  has been filed with the
securities  and exchange  commission.  These  securities may not be sold nor may
offers to buy be accepted prior to the time the registration  statement  becomes
effective.  This  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.


                   SUBJECT TO COMPLETION, DATED JUNE 20, 1997


PROSPECTUS
                                 191,777 SHARES

                          BUTLER MANUFACTURING COMPANY
                                  Common Stock
                                 (No Par Value)

          This Prospectus  relates to the offer and sale of up to 191,777 shares
(the "Shares") of the Common Stock, no par value (the "Common Stock"), of Butler
Manufacturing  Company  (the  "Company").  The Shares may be offered for sale by
certain  stockholders of the Company (the "Selling  Shareholders")  from time to
time in  transactions  effected  through  the  facilities  of the New York Stock
Exchange  and any  other  national  securities  exchange  or  U.S.  inter-dealer
quotation system of a registered national securities  association,  on which the
Shares are then listed,  admitted to unlisted trading privileges or included for
quotation  in brokers'  transactions  within the meaning of Section  4(4) of the
Securities  Act of 1933 or in  transactions  directly with a market maker.  Such
methods of sale may be  conducted  at market  prices  prevailing  at the time of
sale,  plus or minus any usual or customary  brokers'  commissions or discounts.
The Selling  Shareholders may effect such transactions  directly,  or indirectly
through  underwriters,  broker-dealers or agents acting on their behalf,  and in
connection  with  such  sales,   such   broker-dealers  or  agents  may  receive
compensation  in the form of commissions,  concessions,  allowances or discounts
from the Selling  Shareholders and/or the purchasers of the Shares for whom they
may act as agent or to whom they sell Shares as  principal  or both.  The Shares
offered for resale by the Selling  Shareholders  are being  offered  pursuant to
certain registration rights provisions contained in a Merger Agreement among the
Company,  the  Selling  Shareholders,  Modu-Line  Windows,  Inc.  and  Vistawall
Windows, Inc. (the "Registration Rights Agreement").  See "Selling Shareholders"
and "Plan of Distribution."

         None of the  proceeds  from  the  sale  of the  Shares  by the  Selling
Shareholders will be received by the Company. The Company has agreed to bear all
expenses of  registration  of the Shares under federal or state  securities laws
and to indemnify the Selling Shareholders against certain liabilities, including
liabilities under the Securities Act of 1933, as amended (the "Securities Act").

         The Selling Shareholders and any underwriters,  dealers or agents which
participate in the distribution of the Shares may be deemed to be "underwriters"
within the meaning of the Securities  Act, and any  commission  received by them
and any profit  realized  on the resale of the Shares  purchased  by them may be
deemed  to  constitute  underwriting  commissions,  concessions,  allowances  or
discounts under the Securities Act. See "Plan of Distribution."
<PAGE>
          The Common Stock is traded on New York Stock  Exchange  ("NYSE") under
the symbol  "BBR." The closing sale price of the Common Stock as reported on the
NYSE on June 19, 1997 was $33.75 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_____________, 1997



<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,  proxy statements and other information with
the Securities and Exchange Commission (the "Commission").  Such reports,  proxy
statements and other information filed by the Company with the Commission can be
inspected  and copied at the office of the  Commission  at the Public  Reference
Section of the Commission at 450 Fifth Street, N.W., Washington,  D.C. 20549, at
prescribed  rates,  as  well  as  at  the  following  Regional  Offices  of  the
Commission:  Citicorp Center, 500 West Madison,  Suite 1400,  Chicago,  Illinois
60661;  and Seven World Trade  Center,  Suite  1300,  New York,  New York 10048.
Copies of documents  publicly filed with the Securities and Exchange  Commission
may  also  be   obtained   from   the   Internet   at   http://www.sec.gov./cgi-
bin/srch-edgar?butler and at the offices of the New York Stock Exchange..

         This Prospectus  constitutes a part of a Registration Statement on Form
S-3 (the  "Registration  Statement")  filed by the Company  with the  Commission
under the  Securities  Act of 1933,  as amended  (the  "Securities  Act").  This
Prospectus  omits  certain  of the  information  contained  in the  Registration
Statement as  permitted  by the rules and  regulations  of the  Commission,  and
reference is hereby made to the Registration  Statement and related exhibits for
further  information  with  respect to the  Company and the  securities  offered
hereby.  Any  statements  contained  herein  concerning  the  provisions  of any
document are not necessarily complete, and in each instance reference is made to
the copy of such document filed as an exhibit to the  Registration  Statement or
otherwise filed with the Commission,  which may be inspected at the Commission's
offices  without  charge or copies of which may be obtained from the  Commission
upon payment of the  prescribed  fees.  Each such  statement is qualified in its
entirety by such reference.

                 INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

         The following  documents have been previously filed by the Company with
the Commission and are hereby incorporated by reference in this Prospectus as of
their respective dates:

    (a)  Annual Report on Form 10-K for the fiscal year ended December 31, 1996;

    (b)  Quarterly Report on Form 10-Q for the quarter ended March 31, 1997:

    (c)  Proxy statement relating to the Annual Meeting of Shareholders held 
April  15, 1997;

    (d) The  description of the Company's  Common Stock and Preferred Share
Purchase  Rights  contained  in its  Registration  Statements  on Form 8-A dated
October  8,  1996,  under  Section 12 of the  Securities  Exchange  Act of 1934,
including  any  amendment  or report  filed for the  purpose  of  updating  such
description.

         Additionally,  all documents  filed by the Company with the  Commission
pursuant to Section 13(a),  13(c), 14 or 15(d) of the Exchange Act subsequent to
the date of this  Prospectus and prior to the termination of the offering of the
securities  made hereby shall be deemed to be  incorporated by reference in this
Prospectus  and to be a part hereof  from the date of filing of such  documents.
Any statements contained 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 other
subsequently  filed  document which also is or is deemed to be  incorporated  by
<PAGE>
reference  herein modifies or supersedes  such statement.  Any such statement so
modified or superseded shall not be deemed, except as so modified or superseded,
to constitute a part of this Prospectus.

         The Company will provide, upon request,  without charge to each person,
including any beneficial  owner,  to whom this  Prospectus is delivered,  on the
written or oral  request of such person,  a copy of any or all of the  documents
incorporated  herein by reference (other than certain exhibits to such documents
which  are not  specifically  incorporated  by  reference  in  such  documents).
Requests for such copies  should be directed  to:  Richard O.  Ballentine,  Vice
President,  General Counsel and Secretary, BMA Tower, Penn Valley Park (P.O. Box
419917), Kansas City, Missouri 64141- 0917, (816) 968-3000.



                                        2

<PAGE>
                                   THE COMPANY

         The  Company  and  its  subsidiaries  are  primarily   engaged  in  the
marketing,  design,  and production of systems and components for nonresidential
structures.  Products and services fall into three principal  business segments:
(1) Building Systems, consisting primarily of custom designed and pre-engineered
steel and wood frame building systems for commercial,  community, industrial and
agricultural  uses; (2) Construction and  construction  management  services for
purchasers of large,  complex or multiple site building projects;  and (3) Other
Building Products,  consisting primarily of curtain wall and storefront systems,
skylights and roof vents for low, medium and high-rise nonresidential buildings.

         The Company's products are sold primarily through numerous  independent
dealers.  Other  Company  products  and  services  are sold through a variety of
distribution arrangements.

         The Company was founded as a partnership  in 1901. It was  incorporated
in  Missouri in 1902 and  reincorporated  in  Delaware  in 1969.  Its  corporate
headquarters  are located in Kansas City,  Missouri,  and  principal  plants and
offices  are  operated  throughout  the  continental  United  States.  Principal
international  operations are conducted through Butler Building Systems, Ltd., a
wholly owned United Kingdom subsidiary acquired in 1991, Butler Shanghai Inc., a
Chinese wholly owned  subsidiary,  Butler do Brasil  Limitada,  a South American
wholly owned subsidiary and a Saudi Arabian joint venture.

                                 USE OF PROCEEDS

         The Company will not receive any of the  proceeds  from the sale of the
Shares offered  hereby.  All of the proceeds from the sale of the Shares offered
hereby will be received by Selling Shareholders.

                              SELLING SHAREHOLDERS

         The following table sets forth certain  information with respect to the
Selling  Shareholders'  beneficial ownership of the Company's Common Stock as of
June 20,  1997,  and as adjusted,  assuming a sale of all of the Shares.  Unless
otherwise indicated, the Selling Shareholders possess sole voting and investment
power with respect to the Shares listed below.

<TABLE>
<S>                                <C>                                <C>                       <C>
                                                                                                    Shares Beneficially Owned
Name of                            Shares Beneficially Owned          Number of Shares                 After the Sale
Selling Shareholder                 Prior to the Offering(1)            Being Offered           of all Shares Being Offered (1)
                                                                                                                                  

Donald P. Carter (2) .............          39,647                         39,647                            0
C. Craig Caudill .................          29,540                         29,540                            0
Robert K. McFarland ..............          30,012                         30,012                            0
Frank A. Rossi ...................          21,557                         21,557                            0
William D. Andrews ...............          16,479                         16,479                            0
Michael J. Lane (2) ..............          19,772                         19,772                            0
Ted E. Gaty, III .................          17,385                         17,385                            0
Annabelle T. Gaty ................          17,385                         17,385                            0
                                           -------                        -------                         -------
Total ............................         191,777                        191,777                            0

<PAGE>                                                  
<FN>
(1)      No Shareholder holds one percent or more of the outstanding Common 
         Stock of the Company as of June 20, 1997.
(2)      The shares are held by a revocable grantor trust with respect to which 
         the Shareholder is the Trustee and principal beneficiary.
</FN>
</TABLE>
         All of the Shares offered hereby are beneficially  owned by the Selling
Shareholders and were received by the Selling  Shareholders on June 10, 1997, in
connection with the merger  ("Merger") of the Company's  wholly owned subsidiary
Vistawall Windows, Inc. into Modu-Line Windows, Inc.  ("Modu-Line")  pursuant to
the terms of the Merger Agreement.  The Merger resulted in the conversion of all
of the shares of Modu-Line into the 191,777 shares of Common

                                        3

Stock of the Company being offered by the Selling  Shareholders  as shown in the
above table and $350,000 in cash.  Modu-Line is a leading  manufacturer  of high
quality  architectural  windows for the  nonresidential  building  market and is
being  integrated  with the Company's  Vistawall  Division.  Modu-Line had gross
revenues for the year ended December 31, 1996, of approximately $16 million.

          Prior to the Merger,  the Selling  Shareholders  owned Modu-Line,  all
were Modu-Line  directors  except for Ms. Gaty and two were Modu-Line  officers.
Following the merger,  Mr.  Caudill has continued as the President of Modu-Line.
The remaining Selling  Shareholders have not continued to serve Modu-Line or the
Company in any capacity.

         Under the  terms of the  Merger  Agreement,  the  Selling  Shareholders
received certain registration rights ("Registration Rights") covering the Shares
of  unregistered  Common  Stock  received  in  the  Merger.  Pursuant  to  those
Registration  Rights the Company has caused this  Registration  Statement  to be
filed to register transactions in the Shares. The Company has agreed to bear the
expenses  incurred  in  connection  with  the  filing  and  maintenance  of  the
Registration  Statement,   including  registration  and  filing  fees,  printing
expenses,  fees and disbursements of the Company's counsel and accountants,  and
Blue Sky filing fees in certain  states,  if any. The Selling  Shareholders  are
obligated to bear all other  expenses in  connection  with the  registration  or
subsequent distribution of the Shares,  including all fees and disbursements for
their own respective accountants, legal counsel, underwriting fees, underwriting
or  brokerage  discounts  and  commissions,  any  expenses  of their  brokers or
underwriters  that are not borne  directly  or  indirectly  by such  brokers  or
underwriters,  transfer  taxes on the sale of the Shares,  and certain  Blue Sky
filing fees, if any.

                              PLAN OF DISTRIBUTION

         The Shares may be offered  for sale by the  Selling  Shareholders  from
time to time in  transactions  effected  through the  facilities of the New York
Stock Exchange and any other national securities  exchange or U.S.  inter-dealer
quotation system of a registered national securities  association,  on which the
Shares are then listed,  admitted to unlisted trading privileges or included for
quotation  in brokers'  transactions  within the meaning of Section  4(4) of the
Securities  Act of 1933 or in  transactions  directly with a market maker.  Such
methods of sale may be  conducted  at market  prices  prevailing  at the time of
sale,  plus or minus any usual or customary  brokers'  commissions or discounts.
The Selling  Shareholders may effect such transactions  directly,  or indirectly
through  underwriters,  broker-dealers or agents acting on their behalf,  and in

<PAGE>
connection  with  such  sales,   such   broker-dealers  or  agents  may  receive
compensation  in the form of commissions,  concessions,  allowances or discounts
from the Selling  Shareholders and/or the purchasers of the Shares for whom they
may act as agent or to whom they sell Shares as principal or both.

         If  required,  at the time a particular  offer is made, a  supplemental
prospectus,  will be  distributed  that  sets  forth  the  name  of any  agents,
broker-dealers  or  underwriters,  any commissions and other terms  constituting
compensation  and  any  other  required   information.   Any  such  supplemental
prospectus  will be filed by the Company  with the  Commission  pursuant to Rule
424(c) under the Securities Act.

         The Selling  Shareholders and any  broker-dealer who acts in connection
with the sale of the Shares hereunder may be deemed to be "underwriters"  within
the  meaning  of  Section  2(11) of the  Securities  Act,  and any  compensation
received by them and any profit on any resale of the Shares as principals  might
be deemed to be underwriting discounts and commissions under the Securities Act.

         In order to comply  with the  securities  laws of  certain  states,  if
applicable,  the Shares may be sold only through  registered or licensed brokers
or dealers.  In addition,  in certain states,  the Shares may not be sold unless
they have been  registered  or qualified for sale in such states or an exemption
from such registration or qualification requirement is available and is complied
with.

         Pursuant to the Registration Rights between the Company and the Selling
Shareholders,  the Company has filed the Registration  Statement,  of which this
Prospectus forms a part, with respect to the sale of the Shares. The Company has
agreed  to use its  commercially  reasonable  efforts  to keep the  Registration
Statement  continuously  effective  until  June  10,  1998,  at  which  time the
Shareholders  will be  eligible  to sell the Shares  under Rule 144  promulgated
under the Securities Act.

         Pursuant  to  the  Merger  Agreement,   the  Company  and  the  Selling
Shareholders  have  agreed to  indemnify  each  other for  certain  liabilities,
including   liabilities  under  the  Securities  Act,  in  connection  with  the
registration of the Shares.

                                        4

<PAGE>
                           FORWARD-LOOKING STATEMENTS

         In  addition  to   historical   information,   the  reports  and  other
information incorporated herein by reference contain forward-looking  statements
and  information  that are based on the beliefs of the  Company's  management as
well  as  on  assumptions  made  by  and  information   currently  available  to
management.  When used in such reports and  documents,  the words  "anticipate,"
"intend," "plan," "believe," "estimate," and similar expressions are intended to
identify  forward-looking  statements.  Such  statements  are not  guarantees of
future  performance  and involve  certain risks,  uncertainties  and assumptions
which could cause the Company's future results and stockholder  values to differ
materially from those expressed in the forward-looking statements.

                                  LEGAL MATTERS

         The legality of the Shares  offered hereby is being passed upon for the
Company by Lathrop & Gage L.C., Kansas City, Missouri.

                                     EXPERTS

         The consolidated  financial statements of Butler Manufacturing  Company
as of December 31, 1996 and December 31, 1995,  and for each of the years in the
three-year  period ended December 31, 1996, have been  incorporated by reference
herein and in the  registration  statement  in reliance  upon the report of KPMG
Peat Marwick LLP,  independent  certified  public  accountants,  incorporated by
reference  herein,  and upon the authority of said firm as experts in accounting
and auditing.
                               ------------------

         NO DEALER,  SALESMAN OR OTHER  PERSON HAS BEEN  AUTHORIZED  TO GIVE ANY
INFORMATION  OR TO MAKE  ANY  REPRESENTATIONS  OTHER  THAN  THOSE  CONTAINED  OR
INCORPORATED  BY REFERENCE IN THIS PROSPECTUS OR A SUPPLEMENT TO THIS PROSPECTUS
IN  CONNECTION  WITH THE  OFFER  MADE  HEREBY,  AND,  IF  GIVEN  OR  MADE,  SUCH
INFORMATION OR REPRESENTATIONS MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED
BY THE COMPANY, THE SELLING SHAREHOLDERS OR ANY UNDERWRITER.

         THIS PROSPECTUS DOES NOT CONSTITUTE AN OFFER TO SELL, OR A SOLICITATION
OF AN OFFER TO BUY, THE SECURITIES  OFFERED HEREBY TO ANY PERSON IN ANY STATE OR
OTHER JURISDICTION IN WHICH SUCH OFFER OR SOLICITATION IS UNLAWFUL. THE DELIVERY
OF THIS PROSPECTUS AT ANY TIME DOES NOT IMPLY THAT INFORMATION  CONTAINED HEREIN
IS CORRECT AS OF ANY TIME SUBSEQUENT TO THIS DATE.

                               -------------------


                                        5

<PAGE>
                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS


Item 14.  Other Expenses of Issuance and Distribution.

     The expenses to be paid in connection with the issuance and distribution of
the  securities  being  registered,   other  than  underwriting   discounts  and
commissions, are as follows:

          SEC Registration Fee                               $ 2,107
          Accounting Fees and Expenses - estimated             1,500
          Legal Fees and Expenses - estimated                 10,000
          Miscellaneous - estimated                            1,393
                                                             --------
                                    Total                    $15,000

         All of the above items are estimates except the SEC  Registration  Fee.
The  Company  has  agreed to bear those  expenses.  Underwriting  discounts  and
selling  commissions  attributable to the offering and sale of the Shares are to
be paid by the Selling Shareholders.

Item 15.  Indemnification of Directors and Officers

         Section  145 of the  Delaware  General  Corporation  Law  (the  "DGCL")
provides  that a  corporation  may  indemnify  any  director or officer  against
expenses  (including  attorney's  fees),  judgments,  fines and amounts  paid in
settlement  actually  and  reasonably  incurred  by him in  connection  with any
threatened,  pending or completed  action,  suit or proceedings,  whether civil,
criminal,  administrative  or  investigative,  other than an action by or in the
right of the  corporation,  by reason of the fact that he is or was a  director,
officer,  employee  or agent of the  corporation,  or is or was  serving  at the
request of the corporation as a director,  officer, employee or agent of another
corporation,  or other  enterprise,  if such person acted in good faith and in a
manner  such  person  reasonably  believed  to be in or not  opposed to the best
interests of the corporation and, with respect to any criminal  action,  if such
person had no reasonable cause to believe his conduct was unlawful.  The statute
also  provides that (1) a  corporation  may  indemnify  any such person  against
expenses  actually and  reasonably  incurred by him in connection  with any such
action by or in the right of the  corporation if he acted in good faith and in a
manner he reasonably  believed to be in or not opposed to the best  interests of
the corporation,  except that no  indemnification  is to be made with respect to
any matter as to which he has been  adjudged  liable  unless  authorized  by the
court;  (2) a  corporation  shall  indemnify  any such person  against  expenses
actually and reasonably  incurred in defense of any such action  (whether or not
by or in the right of the  corporation)  if such person has been  successful  in
defense of the action; and (3) a corporation may purchase and maintain insurance
on behalf of any person who is or was a director,  officer, employee or agent of
another  corporation or other enterprise  against any liability asserted against
such person incurred by such person in any such capacity, or arising out of such
person's status as such, whether or not the corporation would otherwise have the
power to indemnify such person against such liability.
<PAGE>
         Pursuant  to  the  DGCL  the  Company's  Certificate  of  Incorporation
provides  that  each  person  who is  involved  in any  threatened,  pending  or
completed action, suit or proceeding by reason of the fact that the person is an
officer or  director  of the Company or of a Company  subsidiary  or  enterprise
(including  an  employee  benefit  plan as a plan  fiduciary)  or who,  while an
officer or director of the Company, was serving at the request of the Company as
an officer  or  director  of another  enterprise,  shall be  indemnified  by the
Corporation to the fullest  extent  authorized by the DGCL;  provided,  that the
Company is not  required  to provide  indemnity  with  respect to any claim made
against the director or officer (i) for an  accounting  of profits made from the
purchase or sale by the officer or director  of  securities  of the  Corporation
within the meaning of Section  16(b) of the  Securities  Exchange Act of 1934 or
(ii) for  amounts  paid in  settlement  of a claim  without  the  consent of the
Company.

         The  indemnification   provisions  in  the  Company's   Certificate  of
Incorporation  also entitle an officer or director to obtain payment of expenses
incurred by him in defending  against a proceeding  in advance of the outcome if
he  undertakes  in  writing  to repay such  amounts  if it shall  ultimately  be
determined that he is not entitled to indemnity.

                                       R-1

         The  Certificate  of  Incorporation  provides that no director shall be
personally liable to the registrant or its stockholders for monetary damages for
any breach of  fiduciary  duty by such  director  as a  director,  except to the
extent such exemption  from liability or limitation  thereof is not permitted by
the DGCL.  Notwithstanding  the  foregoing,  a  director  shall be liable to the
extent  provided by the DGCL (a) for breaches of the director's  duty of loyalty
to the  registrant  or its  stockholders,  (b) for acts or omissions not in good
faith or which involve intentional misconduct or a knowing violation of law, (c)
pursuant to Section 174 of the DGCL  (involving  certain  unlawful  dividends or
stock  repurchases) or (d) for any transactions  from which the director derived
an improper personal benefit.

         Under a director's and officer's  liability  insurance policy purchased
by the Company,  the insurer is generally  obligated to pay,  subject to certain
limits,  deductibles,  exceptions  and  exclusions,  on behalf of  officers  and
directors of the Company  claims made against  such  directors  and officers for
losses (as defined) caused by any negligent act, any error,  any omission or any
breach of duty while acting in their  capacities as directors or officers of the
Company,  any of its subsidiaries or as members of the Administrative  Committee
of the Plan or any matter claimed against them solely by reason of their holding
such offices. Under the policy the insurer is also obligated to pay on behalf of
the Company such claims made against the Company's  directors and officers which
the Company may be required or permitted to pay as indemnities due the directors
or officers for such losses.

         Under certain  employee  benefit plans of the Company,  the Company has
agreed  to  indemnify  and  save  harmless  the  members  of the  administrative
committees  of such  plans  from and  against  any and all loss  resulting  from
liability to which the  committee  members may be subjected by reason of any act
or conduct  (except  willful  misconduct or gross  negligence) in their official
capacities in the  administration  of the Plans.  The members of such committees
normally include directors and officers of the Company.
<PAGE>
Item 16.  Exhibits

         Exhibits  are  listed  on  the  Exhibit  Index  to  this   Registration
Statement, which Index is incorporated herein by reference..

Item 17.  Undertakings

         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;

                  (ii) To reflect in the  Prospectus any facts or events arising
after the  effective  date of this  Registration  Statement  (or the most recent
post-effective  amendment  thereof)  which,  individually  or in the  aggregate,
represent a fundamental change in the information set forth in this Registration
Statement. Notwithstanding the foregoing, any increase or decrease in the volume
of securities offered (if the total dollar value of securities offered would not
exceed that which was  registered) and any deviation from the low or high end of
the estimated  maximum offering range may be reflected in the form of prospectus
filed with the  Commission  pursuant  to Rule 424(b) if, in the  aggregate,  the
changes in volume and price  represent  no more than a 20 percent  change in the
maximum  aggregate  offering price set forth in the "Calculation of Registration
Fee" table in the effective registration statement; and

                  (iii) To include any material  information with respect to the
plan of distribution not previously disclosed in this Registration  Statement or
any  material  change  to  such  information  in  this  Registration  Statement;
provided,  however,  that  paragraph  (i) and  (ii)  above  do not  apply if the
information  required  to be  included in a  post-effective  amendment  by those
paragraphs  is contained in periodic  reports  filed by the Company  pursuant to
Section  13 or  Section  15(d) of the  Exchange  Act that  are  incorporated  by
reference in this Registration Statement.

         (2) That,  for the  purpose  of  determining  any  liability  under the
Securities Act, 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.


                                       R-2

<PAGE>
         (3) To remove from registration by means of a post-effective  amendment
any of the securities being registered which remain unsold at the termination of
the offering.

         (4)  That,  for  purposes  of  determining   any  liability  under  the
Securities  Act,  each  filing of the  registrant's  annual  report  pursuant to
Section 13(a) and Section 15(d) of the Exchange Act (and, where applicable, each
filing of an employee  benefit plan's annual report pursuant to Section 15(d) of
the  Exchange  Act)  that is  incorporated  by  reference  in this  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.

         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 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 Securities Act
and is, therefore,  unenforceable. In the event that a claim for indemnification
against  such  liabilities  (other  than the payment by  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  Securities  Act and will be  governed by the final
adjudication of such issue.

                                       R-3

<PAGE>
                                  SIGNATURES

         Pursuant to  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  to be  signed  on its  behalf  by  the  undersigned,  thereunto  duly
authorized,  in the City of Kansas City, State of Missouri,  on this 17th day of
June, 1997.

                                       BUTLER MANUFACTURING COMPANY

                                       By /s/Robert H. West
                                          Robert H. West
                                          Chairman of the Board

         Pursuant  to the  requirements  of the  Securities  Act of  1933,  this
Registration  Statement  has  been  signed  by  the  following  persons  in  the
capacities and on the dates indicated.

         Name                          Title                           Date

    s/ Robert H. West       Chairman of the Board Principal        June 17, 1997
- --------------------------  Executive Officer and Director)
Robert H. West              

   s/John H. Holland        Vice President - Finance               June 17, 1997
- --------------------------  (Principal Financial Officer),
John J. Holland                                      

   s/John T. Cole           Controller (Principal                  June 17, 1997
- --------------------------  Accounting Officer)
John T. Cole                                     

   s/Harold G. Bernthal*    Director                               June 17, 1997
- --------------------------
Harold G. Bernthal

   s/Rober E. Cook*         Director                               June 17, 1997
- --------------------------
Robert E. Cook

   s/Alan M. Hallene*       Director                               June 17, 1997
- --------------------------
Alan M. Hallene

   s/C.L. William Haw*      Director                               June 17, 1997
- --------------------------
C.L. William Haw

   s/Rober J. Novello*      Director                               June 17, 1997
- --------------------------
Robert  J. Novello

  s/George E. Powell, Jr.*  Director                               June 17, 1997
- --------------------------
George E. Powell, Jr.
<PAGE>
   s/Donald H. Pratt        Director                               June 17, 1997
- --------------------------
Donald H. Pratt

 s/Robert J. Reintjes, Sr.* Director                               June 17, 1997
- ---------------------------
Robert J. Reintjes, Sr.

   s/Judit A. Rogala*       Director                               June 17, 1997
- --------------------------
Judith A. Rogala

Richard O.  Ballentine,  by  signing  his name  hereto,  does  hereby  sign this
Registration  Statement on behalf of each of the above referenced  directors and
officers of the Registrant having an * after their name pursuant to a Resolution
and powers of attorney  executed by each of such  persons and filed  herewith as
Exhibits.

* By   s/Richard O. Ballentine                                     June 17, 1997
       ----------------------------------------
       Richard O. Ballentine, Attorney-in-fact
      

                                       R-4

<PAGE>





                                  EXHIBIT INDEX


Exhibit
Number                   Description


2.1   Form of Merger Agreement dated June 4, 1997.

4.1   Restated Certificate of Incorporation (incorporated by reference to  
      Exhibit 3.1 to Company's form 10-Q for the quarter ended, March 31, 1996).

4.2   Bylaws of Butler  Manufacturing  Company  (incorporated  by reference to
      Exhibit 3.8 to  Company's  Form 10-Q for  quarter  ended  September  30,
      1990).

4.3   Note Agreement between the Company and four Insurance Companies dated as
      of June 1, 1994 (incorporated by reference to Exhibit 4 of the Company's
      Form 10-Q for the quarter ended June 30, 1994).

4.4   Specimen common stock certificate.

5     Opinion of Lathrop & Gage L.C. concerning the legality of the securities
      being registered.

23.1  Consent of KPMG Peat Marwick LLP.

23.2  Consent of counsel (included in Exhibit 5).

24.1  Certified Resolutions of the Board of Directors of the Company.

24.2  Powers of Attorney executed by directors of Registrant who have signed 
      the Registration Statement.

                                       R-5





<PAGE>
                                   Exhibit 2.1

                                MERGER AGREEMENT


     THIS AGREEMENT, dated June 4, 1997, is made by and between

                 1)       Modu-Line Windows, Inc.,
                          a Wisconsin corporation (hereafter
                          sometimes called "Modu-Line" and sometimes
                          "Surviving Corporation"),

                          and

                          its Shareholders
                                  Donald P. Carter Trust
                                  C. Craig Caudill
                                  Robert McFarland
                                  Frank A. Rossi
                                  William D. Andrews
                                  Michael J. Lane Trust
                                  Ted E. Gaty, III
                                  Annabelle T. Gaty
                             and
                     Donald P. Carter ("Trust Beneficiary")
                      Michael J. Lane ("Trust Beneficiary")
               (hereinafter called collectively "Shareholders" and
                          individually, "Shareholder")

                          and

                 2)       Vistawall Windows, Inc., a Wisconsin corporation
                          (hereinafter sometimes called "Vistawall")

                          and

                          Butler  Manufacturing  Company, a Delaware corporation
                          (hereinafter sometimes called "Butler").

              Modu-Line  and Vistawall are  hereinafter  sometimes  collectively
              called the "Constituent Corporations".






<PAGE>



                                    PREAMBLE

         WHEREAS,  Butler and Shareholders wish to effect a triangular merger of
Vistawall  and  Modu-Line  with  Butler  becoming  the sole  shareholder  of the
Surviving Corporation; and

         WHEREAS,  Vistawall is a corporation  organized and existing  under the
laws of the State of Wisconsin,  having been incorporated on March 25, 1997, and
has  authorized  capital  stock  consisting  of 900  shares of which 100  shares
designated as Common Stock of no par value are issued and outstanding; and

         WHEREAS, Vistawall is a wholly owned subsidiary of Butler Manufacturing
Company, a Delaware corporation, with principal offices in Kansas City, Missouri
(hereinafter called "Butler"); and

         WHEREAS,  Butler has authorized  capital stock consisting of 20,000,000
shares of Common Stock of which 9,088,200  shares  designated as Common Stock of
no par value are issued; and

         WHEREAS,  Modu-Line is a corporation  organized and existing  under the
laws of the State of Wisconsin,  having been  incorporated  on December 29, 1971
and has authorized  capital stock  consisting of 80,000 shares of which 66,187.5
shares  designated  as  Common  Stock  of no  par  value  each  are  issued  and
outstanding; and

         WHEREAS, Shareholders (except the Trust Beneficiaries) together own all
of the issued and outstanding stock of Modu-Line; and

         WHEREAS, the Trust Beneficiaries own the beneficial interest of the
Modu-Line stock registered in the name of the Donald P. Carter Trust and Michael
J. Lane Trust; and

         WHEREAS,   Butler  and  the  Shareholders   shall  cause  each  of  the
Constituent Corporations to adopt this Agreement and the Plan of Merger attached
hereto as Exhibit A; and

         WHEREAS, it is the intention of the parties that the issuance of Butler
common stock in connection  with merger shall  qualify as a  transaction  exempt
from registration or qualification under the Securities Act of 1933, as amended,
and under the applicable  securities laws of the states or  jurisdictions  where
the Shareholders reside.

         NOW THEREFORE,  the  Constituent  Corporations,  the  Shareholders  and
Butler hereby agree that Vistawall  shall be merged into  Modu-Line  which shall
continue  under  the  laws  of  Wisconsin  as the  Surviving  Corporation,  that
Modu-Line  shares shall be converted into Butler common stock and cash, and that
the terms and  conditions  of the merger and the mode of carrying  the same into
effect and the manner and basis of converting  shares shall be as set out herein
and in the Plan of Merger  (hereinafter  sometimes called the "Plan") at Exhibit
A. If there is any conflict between this Agreement and the Plan of Merger,  this
Agreement shall govern.

                                        2



<PAGE>




                                    ARTICLE I
                    SURVIVOR, ARTICLES OF INCORPORATION, ETC.

     1.1      Governing Law

              Vistawall  shall be merged into  Modu-Line in accordance  with the
              applicable laws of the State of Wisconsin.  Modu-Line shall be the
              Surviving  Corporation  and shall be  governed  by the laws of the
              State of Wisconsin.

     1.2      Name of Surviving Corporation

              The name of the Surviving Corporation shall be Modu-Line Windows,
              Inc.

     1.3      Articles of Incorporation

              No changes  in the  Articles  of  Incorporation  of the  Surviving
              Corporation shall be effected by the merger.

                                   ARTICLE II
                              CONVERSION OF SHARES

     2.1      Manner and Basis

              The manner and basis of  converting  the shares of Modu-Line  into
              shares  of  Butler  and into  cash  shall be as set  forth in this
              Article II.

     2.2      Shares of Surviving Corporation

              On the Effective  Date of the merger each share of common stock of
              Modu-Line  then  issued  and  outstanding  shall be  automatically
              converted into the number of shares of Butler common stock and the
              right to receive the amount of cash as determined  under Paragraph
              2.3  hereof  and  as  further  provided  in  Section  2.4.  On the
              Effective  Date of the Merger  each of the issued and  outstanding
              shares  of  Vistawall   common  stock  held  by  Butler  shall  be
              automatically  converted  into  661.875  shares of common stock of
              Modu-Line.

     2.3      Basis for Conversion

              The basis for converting Modu-Line common stock into Butler Common
              Stock or cash shall be as follows:

              (a)     Butler Common Stock Available for Conversion

                      The total number (rounded to the nearest whole share) of
                      Butler common stock




                                        3

<PAGE>



                      will be  determined  by  dividing  Seven  Million  Dollars
                      ($7,000,000),  by the last  sale  price of  Butler  common
                      stock on the last  business  day prior to the Closing Date
                      as reported by the New York Stock Exchange,  provided that
                      in no event shall the total number of Butler  shares to be
                      exchanged  for  Modu-Line  common  stock be  greater  than
                      225,000 shares or less than 175,000 shares.

              (b)     Basis of Converting Modu-Line Stock into Butler Common
                      Stock

                      The  number  of  shares  of  Butler  common  stock  to  be
                      exchanged  for each share of Modu-Line  common stock shall
                      be  determined  by dividing  the total number of shares of
                      Butler   Common  Stock  to  be  exchanged  for  shares  of
                      Modu-Line   common  stock  as   determined   according  to
                      paragraph 2.3 (a), by the number of Modu-Line shares which
                      are outstanding on the Closing Date the quotient resulting
                      therefrom to be rounded to the nearest one thousandth.

              (c)     Basis of Converting Modu-Line Stock Into Cash

                      The  amount  of cash to be  exchanged  for  each  share of
                      Modu-Line  common  stock shall be  determined  by dividing
                      $350,000  by the  number  of  Modu-Line  shares  which are
                      outstanding  on the Closing Date,  the quotient  resulting
                      therefrom to be rounded to the nearest one thousandth.

     2.4      Manner of Converting Modu-Line Common Stock

   
              On the Effective Date, each outstanding  share of Modu-Line common
              stock will be automatically converted into the number of shares of
              Butler common stock and the right to receive the amount of cash as
              determined  under  Paragraph  2.3 hereof.  Such cash amount ("Cash
              Consideration"),  less any amounts due  Vistawall  or Butler under
              this Agreement plus interest on such balance from the Closing Date
              to the date of payment  shall be paid not later than  February 28,
              2000. The interest rate shall be the two-year CD rate as published
              by  Nations  Bank on the last  business  day prior to the  Closing
              Date.
    

              (a)     No Fractional Shares

                      No  fractional  shares of Butler common stock and no scrip
                      certificates  therefor will be issued to former holders of
                      Modu-Line  common stock in connection with the merger.  At
                      the  Closing  (as  defined  in   Paragraph   3.1  herein),
                      Modu-Line   shareholders  receiving  fractional  interests
                      shall receive cash for such  fractional  interest based on
                      the price of Butler  common stock used in the  calculation
                      at Paragraph 2.3 (a).

               (b)    Modu-Line Shares to be treated as Butler shares until
                      surrendered

                                        4




<PAGE>




                      Until certificates  evidencing Modu-Line shares which have
                      been converted  into Butler common stock are  surrendered,
                      they shall be deemed for all  corporate  purposes,  except
                      the payment of  dividends,  to evidence  ownership  of the
                      number  of  whole   shares  of  Common   Stock  of  Butler
                      Manufacturing  Company  into which such  Modu-Line  shares
                      have been  converted.  Unless and until  such  outstanding
                      certificates   formerly   representing   Common  Stock  of
                      Modu-Line  are so  surrendered,  no  dividend  payable  to
                      holders of record of Common Stock of Butler as of any date
                      subsequent  to the  Effective  Date of the Merger shall be
                      paid to the holders of such  outstanding  certificates  in
                      respect thereof.

              Upon surrender of such outstanding  certificates,  however,  there
              shall be paid to the holders of the  certificates  of Common Stock
              of Butler  issued in  exchange  therefor  the amount of  dividends
              which theretofore  became payable with respect to such full shares
              of Common  Stock of Butler.  No  interest  shall be  payable  with
              respect  to  the  payment  of  such   dividends  on  surrender  of
              outstanding  certificates.   The  holder  of  a  fractional  share
              interest  shall  not  be  entitled  to  any  dividends  or to  any
              distribution  in the event of a  liquidation  or to any  voting or
              other  privileges  of a  shareholder  of Butler in respect to such
              fractional share interest.

     2.5      Shares to be Delivered

              On the Closing Date,  Butler shall issue to each  Shareholder  the
              number of shares of Butler common stock due each  Shareholder  for
              his/her/its  Modu-Line  common stock,  plus any cash  representing
              fractional  shares as provided in Paragraph  2.4(a).  Simultaneous
              therewith each  Shareholder  shall deliver to Butler the number of
              shares of Modu-Line common stock owned by him/her/it as set out on
              Exhibit E hereto.

     2.6      Cash to be Paid

              The Cash Consideration (less any amounts due Butler as provided in
              this  Agreement) due each  Shareholder  shall be paid by Butler by
              check on February 28, 2000.

     2.7      Closing of Merged Corporation's Stock Transfer Books

              On the last  business  day  before  the  Closing  Date  the  stock
              transfer  books of  Modu-Line  shall be closed and no  transfer of
              shares of Modu-Line shall thereafter be made or recognized.

                                   ARTICLE III
                         CLOSING DATE AND EFFECTIVE DATE

     3.1      Closing

                                        5



<PAGE>




              The closing of the  transactions  contemplated  by this  Agreement
              (the  "Closing")  shall take place on June 10, 1997 (the  "Closing
              Date") at 9:00  a.m.,  local  time,  at the  corporate  offices of
              Butler at the BMA Tower, Kansas City, Missouri.

     3.2      Transfers to Surviving Corporation

              On the  Effective  Date of the merger,  the separate  existence of
              Vistawall Windows, Inc. shall cease, except to the extent, if any,
              continued by statute. All the property, real, personal, and mixed,
              and  franchises of each of the  Constituent  Corporations  and all
              amounts   receivable  on  whatever  account  by  either  of  them,
              including  causes of action,  and every other asset  belonging  to
              either of them, shall be taken and deemed to be transferred to and
              vested in the Surviving  Corporation  without further act or deed.
              The  Surviving  Corporation  shall  be  responsible  for  all  the
              liabilities and obligations of the Constituent Corporations.

     3.3      Further Action

              Prior to the Closing Date, Butler and the Shareholders shall cause
              the  Constituent  Corporations to take all such action as shall be
              necessary  or  appropriate  to effect the merger.  If, at any time
              after the Closing Date of the Merger,  the  Surviving  Corporation
              shall determine that any further conveyance,  assignment, or other
              documents or any further  action is necessary or desirable to vest
              in or confirm to the Surviving  Corporation  full title to all the
              properties,  assets,  rights,  privileges,  and  franchises of the
              Constituent  Corporations,  the  officers  and  directors  of  the
              Constituent   Corporations,   at  the  expense  of  the  Surviving
              Corporation,  shall execute and deliver all such  instruments  and
              take all such action as the Surviving Corporation may determine to
              be  necessary  or desirable in order to vest in and confirm to the
              Surviving   Corporation  title  to  and  possession  of  all  such
              properties,   assets,  rights,  privileges,  and  franchises,  and
              otherwise to carry out the purposes of this Plan.

     3.4      Definition of Effective Date

              At least five (5) business days prior to the Closing,  Articles of
              Merger as prescribed by Wisconsin statutes shall be signed and, on
              the  Closing  Date,  shall  be  delivered  to  the  Department  of
              Financial  Institutions.  The "Effective Date" of the merger shall
              be, and such term as used herein shall mean, the Closing Date.


                                   ARTICLE IV
                         REPRESENTATIONS AND WARRANTIES

     4.0      Knowledge

                                        6

<PAGE>

              As used  herein,  a party shall be deemed to have  knowledge  of a
              particular fact or matter if:

              (a)     such individual is actually aware of such fact or other
                      matter; or

              (b)     a prudent  individual  in similar  circumstances  could be
                      expected  to discover or  otherwise  become  aware of such
                      fact  or  other  matter  in the  course  of  conducting  a
                      reasonable  investigation concerning the existence of such
                      fact or other matter.

              If the  party  is an  entity,  then  "individual"  shall  mean  an
              executive officer or director of the entity.


     4.1      Modu-Line and Shareholders' Representations and Warranties

              Modu-Line  and  each   Shareholder,   jointly  and   individually,
              represents and warrants as follows:

              (a)     Organization and Good Standing

                      Modu-Line is duly organized,  validly existing and in good
                      standing  under  the  laws of  Wisconsin.  The  copies  of
                      Modu-Line's Articles of Incorporation,  and all amendments
                      thereto   certified   by  the   Department   of  Financial
                      Institutions  of  Wisconsin  and  Modu-Line's  Bylaws,  as
                      amended to date, certified by Modu-Line's secretary, which
                      have been delivered to Vistawall, are complete and correct
                      as of  the  date  hereof.  Modu-Line  is not  licensed  or
                      qualified  as a  foreign  corporation  in any  State.  The
                      Shareholders  are,  and will be on the Closing  Date,  the
                      sole  owners,  of record and  beneficially,  of all of the
                      issued  and  outstanding  shares  of  Modu-Line's  capital
                      stock.  Each  Shareholder   individually   represents  and
                      warrants that the Modu-Line shares owned by him/her/it are
                      free and clear of all liens  and  encumbrances.  Modu-Line
                      has no  subsidiaries  and no  investments  in other firms,
                      corporations or partnerships.

              (b)     No Outstanding Options

                      Modu-Line  has  no   outstanding   options  or  rights  to
                      subscribe  to, or  contracts or  commitments  to issue and
                      sell  (upon  conversion  or  otherwise)  any shares of its
                      Common Stock.


              (c)     Financial Statements

                                        7

<PAGE>

                      Modu-Line  has  delivered  to  Vistawall   copies  of  the
                      following financial statements,  including,  in each case,
                      the notes thereto and financial information,  all of which
                      fairly  state  in  accordance   with  generally   accepted
                      accounting  principles  consistently applied the financial
                      condition  and results of  operations  of  Modu-Line  (the
                      "Financials"):

                      (1)      The balance sheet,  related statement of earnings
                               and  shareholders'  equity of Modu-Line as of the
                               fiscal years ended 1996,  1995,  1994,  1993, and
                               1992  certified by Gassner & Associates,  Wausau,
                               Wisconsin, Certified Public Accountants.

                      (2)      The unaudited balance sheet, related statement of
                               earnings and shareholders' equity of Modu-Line as
                               of April 30, 1997.

                      (3)      The  balance  sheet  of  the  Modu-Line   defined
                               contribution  money purchase  profit sharing plan
                               as of April 30, 1997.

              (d)     Financial Condition and Net Worth

                      (1)      The  Financials   fairly  present  the  financial
                               condition   and  the  results  of   operation  of
                               Modu-Line in accordance  with generally  accepted
                               accounting   principles   applied   on  a   basis
                               consistent   with  prior   year-ends  as  of  the
                               respective dates and periods;  represent  actual,
                               bona fide  transactions;  and  reflect all claims
                               and debts and  liabilities  of Modu-Line  whether
                               accrued, fixed, contingent or otherwise, subject,
                               in the case of interim financial  statements,  to
                               normal recurring year end adjustments. Subject to
                               the   foregoing   proviso,   Modu-Line  and  each
                               Shareholder  have no  knowledge  of any  material
                               liabilities,     whether    accrued,    absolute,
                               contingent or otherwise of Modu-Line,  other than
                               those  reflected on Modu-Line's  balance sheet as
                               of April 30, 1997,  including the notes  thereto,
                               if any.

                      (2)      Modu-Line's Net Worth as of May 31, 1997 shall be
                               at least $2,100,000.  If it is not, then the Cash
                               Consideration  shall be reduced dollar for dollar
                               by the amount by which the Net Worth is less than
                               $2,100,000.  Net  Worth  shall be  determined  by
                               Gassner   &   Co.,   CPAs,   Wausau,   Wisconsin,
                               Modu-Line's auditors within sixty (60) days after
                               the Closing  Date in  accordance  with  generally
                               accepted   accounting   principles   consistently
                               applied to  Modu-Line's  year-end  Closings  with
                               respect to Modu-Line's operations. If Modu-Line's
                               Net  Worth  as  of  May  31,  1997  is  at  least
                               $2,100,000,  Gassner & Co.'s  fees shall be borne
                               by  Butler;  if not,  they  shall be borne by the
                               Shareholders   and   deducted   from   the   Cash
                               Consideration.

                                        8

<PAGE>

              (e)     Taxes and Tax Returns

                      Except as disclosed to Butler in writing by  Shareholders,
                      Modu-Line has timely filed all income,  payroll, sales and
                      use, tax and other tax returns required to be filed.  Such
                      returns are true and complete and all taxes shown  thereon
                      have been paid or Modu-Line has set up an adequate reserve
                      for the  payment  of,  all  income  taxes and other  taxes
                      required  to be  paid by it with  respect  to the  periods
                      covered by such returns and has set up an adequate reserve
                      for  the  payment  of all  income  taxes  or  other  taxes
                      anticipated  to be  payable  in  respect  of  the  periods
                      subsequent  to the  last  of  such  periods  prior  to the
                      Closing Date of the merger. Modu-Line is not delinquent in
                      the   payment   of  any  tax,   assessment   or   material
                      governmental  charge.  The  federal  income tax returns of
                      Modu-Line have never been audited by the Internal  Revenue
                      Service and no  deficiencies  for federal  income tax have
                      been  assessed  or  asserted  which  have not been paid or
                      settled.

              (f)     No Material Changes

                      Since  December 31, 1996,  except as described on Schedule
                      4.1 (q) of  Exhibit D there has not been (1) any  material
                      change  in  Modu-Line's   financial   condition,   assets,
                      liabilities (contingent or otherwise),  or business, other
                      than changes in the ordinary  course of business,  none of
                      which has been  materially  adverse,  or (2) any  material
                      increase in the compensation  payable or to become payable
                      by Modu-Line to its directors,  officers or key employees,
                      or any material increase in any bonus, insurance, pension,
                      or other employee  benefit plan,  payment,  or arrangement
                      made to, or with any such officers or key employees or (3)
                      any  material  change  in its labor  relations  or (4) any
                      dividends  declared  or paid on shares of its  outstanding
                      common  stock or any other  distribution  of assets to the
                      holders thereof as such except director's fees paid in the
                      ordinary course consistent with Modu-Line's past practices
                      or (5) any  commitments  involving  capital  expenditures,
                      loans, or advances for more than $5,000 except with regard
                      to office  refurbishing  and  extrusion  dies  (neither of
                      which exceed $25,000) or a crimping machine for $17,000.


              (g)     Title to Property; Encumbrances; Condition of Assets

                      Schedules 4 and 12 contain  complete and accurate lists of
                      all real property,  leaseholds or other interests  therein
                      owned  by  Modu-Line.  Modu-Line  has  delivered  or  made
                      available  to  Butler   copies  of  the  deeds  and  other
                      instruments (as recorded) by which Modu-Line acquired such
                      real  property  and  interests  and  copies  of all  title
                      insurance policies,  opinions,  abstracts,  and surveys in
                      the
                                        9

<PAGE>

                      possession  of Modu-Line  and relating to such property or
                      interests.  Modu-Line owns (with good and marketable title
                      in the case of real property,  subject only to the matters
                      permitted by the following  sentence)  all the  properties
                      and assets (whether real,  personal,  or mixed and whether
                      tangible or  intangible)  including all of the  properties
                      and assets reflected in the Financials  (except for assets
                      held under capitalized  leases).  Except for rights of the
                      Bank of America,  all properties  and assets  reflected in
                      the Financials are free and clear of all  Encumbrances and
                      are not,  in the  case of real  property,  subject  to any
                      rights  of way,  building  use  restrictions,  exceptions,
                      variances,  reservations  or  limitations  of  any  nature
                      except,  with respect to all such  properties  and assets,
                      (a)   mortgages  or  security   interests   shown  on  the
                      Financials   as   securing   specified    liabilities   or
                      obligations,  with  respect to which no default  (or event
                      that,  with  notice  or  lapse  of  time  or  both,  would
                      constitute a default) exists,  (b) liens for current taxes
                      not yet due,  and (c) with respect to real  property,  (i)
                      minor  imperfections  of title,  if any,  none of which is
                      substantial in amount,  materially detracts from the value
                      or impairs the use of the  property  subject  thereto,  or
                      impairs the operations of Modu-Line,  and (ii) zoning laws
                      and other  land use  restrictions  that do not  impair the
                      present  or  anticipated  use  of  the  property   subject
                      thereto.

                      To the best of their  knowledge,  the  buildings,  plants,
                      structures  and  equipment of Modu-Line  are  structurally
                      sound, are in good operating condition and repair, and are
                      adequate  for the uses to which  they are being  put,  and
                      none of such buildings,  plants,  structures, or equipment
                      is in need of  maintenance or repairs except for ordinary,
                      routine  maintenance  and repairs that are not material in
                      nature  or cost.  The  building,  plants,  structures  and
                      equipment  are  sufficient  for the  continued  conduct of
                      Modu-Line's  business  after the Closing in  substantially
                      the same manner as conducted prior to the Closing.


              (h)     Disclosures

                      Attached hereto as Exhibit D is a Disclosure  Letter which
                      contains, inter alia, complete and correct Schedules of:

                      (1)      Orders and Contracts with Customers

                               Schedule  1 is  a  list  of  all  contracts  with
                               customers and all purchase orders which Modu-Line
                               has received  and  accepted  which by their terms
                               extend beyond the Closing Date.

                      (2)      Proposals

                               Schedule  2 is a list  of all  proposals  made by
                               Modu-Line  offering to sell

                                       10
<PAGE>

                               and/or install goods or provide  services,  which
                               proposals by their terms are open for  acceptance
                               up to and after the Closing Date;


                      (3)      Purchase Orders Issued by Modu-Line

                               Schedule 3 is a list of all purchase  orders over
                               Five   Thousand   Dollars   ($5,000)   issued  by
                               Modu-Line and contracts with  suppliers  which by
                               their terms extend beyond the Closing Date;


                      (4)      Leases

                               Schedule  4 is a list of all  leases of both real
                               estate and personal property,  to which Modu-Line
                               is a party and a summary  statement  of the terms
                               thereof;

                      (5)      Other Contracts

                               Schedule 5 is a list of all other  contracts  and
                               agreements not disclosed on Schedules 1, 2, 3, or
                               4,   including  but  not  limited  to  employment
                               contracts, severance agreements, union contracts,
                               health and welfare  plans,  pension or retirement
                               agreements   and   trusts,    promissory   notes,
                               mortgages and other loan  agreements,  guarantees
                               (other than product  guarantees and  warranties),
                               dealer  agreements,  manufacturer  representative
                               agreements,   manufacturing  agreements,   supply
                               agreements, consulting agreements and commitments
                               to  which   Modu-Line  is  a  party,  or  has  an
                               obligation;

                      (6)      Patents, Trademarks, and Intellectual Property

                               Schedule  6 is a  list  of  all  patents,  patent
                               applications;  trademarks;  service marks;  trade
                               names;  copyrights;   trademark,   service  mark,
                               patent and copyright  licenses and  registrations
                               presently  owned  or  held by  Modu-Line,  all of
                               which are valid,  current  and in good  standing,
                               and except as  described in Schedule 5 of Exhibit
                               D, or subject to a Bank of America  mortgage lien
                               encumbrance,  are  free and  clear of all  liens,
                               claims,  mortgages,  charges and  encumbrances of
                               whatsoever kind and nature;

                      (7)      Insurance

                               Schedule  7 is a  list  of  all  fire  and  other
                               casualty  and  liability  insurance  policies  of
                               Modu-Line  as of the date  hereof,  along  with a
                               summary of

                                       11

<PAGE>

                               such  policies in force and of all claims,  where
                               the  individual  amount  claimed  is in excess of
                               $5,000,  made by Modu-Line on such policies since
                               1992;


                      (8)      Compensation

                               Schedule 8 is a list of the names, positions, and
                               annual  compensation,  including  bonuses  of all
                               directors,   officers   and  key   employees   of
                               Modu-Line for the years 1992 through 1996;

                      (9)      Banking

                               Schedule  9 lists  the name of each bank in which
                               Modu-Line has an account or safe deposit box, the
                               names of all persons  authorized  to draw thereon
                               or have  access  thereto,  and the  names  of all
                               persons,  if any,  holding powers of attorney for
                               Modu-Line;

                      (10)     Benefit Plans

                               Schedule  10  lists  all  Modu-Line  pension  and
                               welfare  benefit  plans (as  defined in Section 3
                               (1) and  (2) of the  Employee  Retirement  income
                               Security Act of 1974 (ERISA)).

                      (11)     Officers and Directors

                               Schedule 11 is a list of all  officers  and their
                               office and a list of all  directors  of Modu-Line
                               and of each of its subsidiaries.

                      (12)     Real Estate

                               Schedule   12   reflects   the   complete   legal
                               description   of  all   real   estate   owned  by
                               Modu-Line,  as well as the  identity,  nature and
                               full amount of all corresponding liens, mortgages
                               and encumbrances thereon.

                      (13)     Machinery and Equipment

                               Schedule  13  reflects  a  complete  list  of all
                               vehicles, machinery, equipment and other personal
                               property  owned  by  Modu-Line,  as  well  as the
                               identity,   nature   and  full   amount   of  all
                               corresponding  liens,  mortgages and encumbrances
                               thereon.

                      (14)     Claims and Suits

                                       12

<PAGE>

                               Schedule 14 lists all actions,  claims, and suits
                               pending   against  and  in  favor  of   Modu-Line
                               involving  matters where the amount claimed is or
                               was in excess  of  twenty-five  thousand  dollars
                               ($25,000)  and of all  actions,  claims and suits
                               resolved since January 1, 1992 involving  matters
                               where the  amount  claimed is or was in excess of
                               twenty-five   thousand  dollars  ($25,000),   and
                               claims in  Modu-Line's  credit  memo  file  since
                               January  1,  1992  in  excess  of  five  thousand
                               dollars ($5,000).

                      (15)     Tax Returns

                               Schedule  15  lists  all  Federal  and  Wisconsin
                               Income and  Wisconsin  Franchise and Business and
                               Occupation  Tax Returns  filed by Modu-Line  with
                               respect to the years  ending 1992  through  1996.
                               Except  as  disclosed  on  Schedule  15,  no  tax
                               returns  have been  filed  with any other  states
                               with  respect to the years  ending  1992  through
                               1996.  All  payroll tax  documentation  including
                               941's  and W-2's  for such  years  have been made
                               available to Butler.

                      (16)     Standard Product Warranties

                               Schedule 16 sets out true copies of all  standard
                               product  warranties  and guarantees now in effect
                               or  outstanding   with  respect  to  products  of
                               Modu-Line.

                      (17)     Accounts Receivable

                               Schedule  17  contains  an  accurate  list of all
                               accounts  receivable of Modu-Line as of April 30,
                               1997  which  list  sets  forth  the aging of such
                               Accounts Receivable.

                      (18)     Environmental Matters

                               Schedule 18 sets forth a ten (10) year history of
                               all environmental matters within the knowledge of
                               Modu-Line or its  Shareholders  and all Hazardous
                               Substances presently being used by Modu-Line.

              (i)     Claims, Suits and Legal Proceedings

                      There is no  material  claim,  suit,  or legal  proceeding
                      pending,  or to the  best of  their  knowledge  threatened
                      against  or  relating  to  Modu-Line,  its  properties  or
                      business, or any officer, director or shareholder,  nor do
                      Shareholders   or  Modu-Line  know  of  any   governmental
                      investigation of any kind or nature relative to

                                       13

<PAGE>

                      Modu-Line,  its  properties,  or business or any  officer,
                      director or shareholder  except as listed and described in
                      Schedule 14 of Exhibit D.

              (j)     Compliance With Laws and Regulations

                      To  the  best  of  their  knowledge,   Modu-Line  and  its
                      properties are in material compliance in all respects with
                      all laws,  regulations and orders  applicable to it or its
                      business  or  properties.   With  respect  to  Modu-Line's
                      operations,    Modu-Line   has   not   received    written
                      notification  of any asserted  past or present  failure to
                      comply with the Federal Occupational Safety and Health Act
                      except as described in Schedule 18 of Exhibit D.

               (k)    Shareholders and Shareholding

                      The list at  Exhibit E  contains  the names and last known
                      addresses of all the  shareholders  of the Common Stock of
                      Modu-Line  and the  number  of shares  owned by each.  The
                      shares  referred to in the Preamble  constitute all of the
                      issued  and   outstanding   shares  of  common   stock  of
                      Modu-Line,  and have been validly  issued,  are fully paid
                      and non-assessable.

              (l)     Books and Records

                      Modu-Line's  Minute  Books and Stock  Ledger  delivered to
                      Butler are true and  correct and  reflect  accurately  the
                      minutes and stock transactions of Modu-Line for the period
                      of time indicated.

              (m)     Obligations to Officers and Employees

                      To the best of  their  knowledge,  no  current  or  former
                      officer or employee of  Modu-Line  has any claim or claims
                      against  Modu-Line,  and  Modu-Line  is not  obligated  or
                      liable  to any of  such  persons  in  any  way or for  any
                      amounts, except current salaries or wages or employees and
                      reimbursable  business  expenses  incurred in the ordinary
                      course of business.

              (n)     Inventory

                      Subject  to  normal  and  periodic  scrapping   procedures
                      customarily  practiced by Modu-Line in the ordinary course
                      of its business,  all  inventory of Modu-Line,  whether or
                      not reflected in the Financials, consists of a quality and
                      quantity  usable  and  salable in the  ordinary  course of
                      business,  except  for  obsolete  items of below  standard
                      quality,  all of which  have been  written  off or written
                      down to net  realizable  value in the Financials or on the
                      accounting records of Modu-Line as of the Closing Date, as
                      the case may be. All inventories not written off have

                                       14

<PAGE>

                     been  priced at the  lower of cost or market  (1) on a last
                     in, first out,  basis in the case of  purchased  extrusions
                     and (2) on a first in,  first out basis with respect to all
                     other  items.  The  quantities  of each  item of  inventory
                     (whether raw materials, work-in-process, or finished goods)
                     are  not  excessive,  but  are  reasonable  in the  present
                     circumstances of Modu-Line and the quantities on hand at

                     the Closing Date will be consistent with its past levels of
                     inventory  for  each  major   classification  of  inventory
                     (extrusion, hardware, work-in-process, glass, etc.).

              (o)     Accounts Receivable

                      All  accounts  receivable  of  Modu-Line  reflected on the
                      Financials or on its accounting  records as of the Closing
                      Date (collectively, the "Accounts

                      Receivable") represent or will represent valid obligations
                      arising  from sales  actually  made or  services  actually
                      performed in the ordinary course of business.  Unless paid
                      prior to the Closing Date, the Accounts  Receivable are or
                      will be as of the Closing Date current and collectible net
                      of the  respective  reserves  shown on the April 30,  1997
                      Balance  Sheet  or on  its  accounting  records  as of the
                      Closing Date which  reserve as of the Closing  Date,  will
                      not  represent  a  greater   percentage  of  the  Accounts
                      Receivable  as  of  the  Closing  Date  than  the  reserve
                      reflected  in  the  April  30,  1997  Balance  Sheet.  The
                      Accounts Receivable  reflected in the Financials as of the
                      Closing Date will not represent a material  adverse change
                      in the composition of such Accounts Receivable in terms of
                      aging.  Subject  to such  reserves,  each of the  Accounts
                      Receivable  either has been or will be  collected in full,
                      without  any  set-off,  within  150 days  after the day on
                      which it first becomes due and payable.  Except as set out
                      on Schedule  14 of Exhibit D, there is no contest,  claim,
                      or right of set-off,  other than  returns in the  ordinary
                      course of business, under any contract with any obligor of
                      an Accounts  Receivable relating to the amount or validity
                      of  such   Accounts   Receivable.   The   parties   hereto
                      acknowledge that some of Modu-Line's customers may also be
                      customers of Butler's Vistawall Division. In the event any
                      common customer of Vistawall and Modu-Line alleges to have
                      a claim against Butler's Vistawall  Division  (hereinafter
                      referred to as a "Vistawall  Claim") and,  based solely on
                      the Vistawall  Claim,  such customer  attempts,  after the
                      Closing  Date,  to set off any or all of such a  Vistawall
                      Claim against any Accounts  Receivable  such customer owes
                      Modu-Line,  such amount so set off shall not  constitute a
                      Loss, as hereinafter  defined,  and Butler will not have a
                      right to reimbursement by set off against the Shareholders
                      under the  indemnification  provisions  of this  Agreement
                      with  respect  to the  amount so set off on account of the
                      Vistawall Claim. Provided,  however, if such customer does
                      not prevail in its  assertion of its  Vistawall  Claim and
                      its right to the set off of the  amount  of the  Vistawall
                      Claim,  and provided  Butler  presents an actual notice to
                      the Shareholders of such
                                       15

<PAGE>

                    attempted  set off  based on the  alleged  existence  of the
                    Vistawall  Claim on or prior to February 28, 2000,  then any
                    Loss, as  hereinafter  defined,  suffered by Modu-Line as to
                    which such  customer is not entitled to a set off on account
                    of   the   Vistawall   Claim,    shall   fall   within   the
                    indemnification provisions of this Agreement, subject to the
                    limitations thereof. Similarly, in the event that any common
                    customer of Vistawall and Modu-Line  alleges to have a claim
                    against Modu-Line  (hereinafter  referred to as a "Modu-Line
                    Claim")  and  based  solely  on  the  Modu-Line  Claim  such
                    customer attempts, after the Closing Date, to set off any or
                    all  of  such  a  Modu-Line   Claim   against  any  Accounts
                    Receivable  it owes the Vistawall  Division,  such amount so
                    set off shall constitute a Loss, as hereinafter defined, and
                    Butler  shall  have the  right to be  reimbursed  by set off
                    against   the   Shareholders   under   the   indemnification
                    provisions of this  Agreement  with respect to the amount so
                    set  off  on  account  of  the  Modu-Line  Claim.  Provided,
                    however,  if such  common  customer  does not prevail in its
                    assertion of said Modu-Line Claim, it shall not constitute a
                    Loss, as hereinafter  defined, and Butler will have no right
                    to reimbursement  by set off against the Shareholders  under
                    the  indemnification   provisions  of  this  Agreement  with
                    respect  thereto  and  Butler  shall  promptly  pay  to  the
                    Shareholders  the  amount  set off in  connection  with such
                    Modu-Line Claim against the Cash Consideration.  The parties
                    hereto  acknowledge that disclosure of the existence of this
                    provision  could promote  common  customers of the Vistawall
                    Division  and  Modu-Line  to assert  such a right of set off
                    without good faith and, therefore,  it is essential that the
                    existence of this provision be kept strictly confidential.


              (p)     No Default


                      Modu-Line  has complied in all material  respects with the
                      provisions  of and is not in default  under any  contract,
                      agreement,  commitment, or instrument of lease to which it
                      is a party.


              (q)     No Material Adverse Change

                      To the best of their knowledge, there has been no material
                      fact or situation which would adversely affect  Modu-Line,
                      its properties,  assets or business in any manner,  except
                      as set out on Schedule 4.1 (q) of Exhibit D.

                      To the best of their  knowledge,  all  Modu-Line  products
                      currently being  manufactured  and sold by it conform with
                      all   applicable   governmental   standards,   rules   and
                      regulations which,  because of non-conformance  therewith,
                      would

                                       16

<PAGE>
                      restrict the manufacture, sale or use of such products and
                      they know of nothing  which would  prevent or restrict the
                      manufacture,  sale or use of said products,  except as set
                      out on Exhibit D.

                      To the best of their  knowledge,  there  is no  design  or
                      defect in any  Modu-Line  product  or system  manufactured
                      within five (5) years prior to the date hereof which would
                      have a material  adverse effect on  Modu-Line's  business,
                      except as set forth in Exhibit D.

                      Modu-Line has set up adequate  reserves,  in an amount set
                      out on  Schedule  4.1(q)  to  Exhibit  D,  for  known  and
                      acknowledged  warranty work to be performed in accord with
                      outstanding warranties on products shipped and/or services
                      performed prior to the Closing Date ("Warranty Reserves").
                      In  addition,   in  accord  with  ordinary  and  customary
                      operating  procedures,  Modu-Line anticipates expending up
                      to $300,000  through  December 31, 1999 on warranty  work,
                      whether or not under contract to do so.


              (r)     No Infringement

                      Except as disclosed at Schedule 6, no claim has been made,
                      nor does  Modu-Line  know of any claim which could be made
                      that Modu-Line is infringing or contributorily  infringing
                      any  patent,   trade  name,   trademark,   service   mark,
                      copyright, or other intellectual property rights belonging
                      to another.  Similarly,  to the best of their knowledge no
                      person or firm has infringed or is infringing  any patent,
                      trade name,  trademark service mark,  copyright,  or other
                      intellectual property rights of Modu-Line.


              (s)     Representations and Warranties Accurate

                      To the  best of  their  knowledge,  no  representation  or
                      warranty   by   Modu-Line   herein   nor  any   statement,
                      certificate,   contract  or  other  material  or  document
                      furnished or to be furnished to Butler pursuant hereto, or
                      in connection with the transactions  contemplated  hereby,
                      contains  or  will  contain  any  untrue  statement  of  a
                      material fact, or collectively  omit or will omit to state
                      a material fact expressly called for herein.

              (t)     Transaction will not Constitute Default

                      Except as provided in the Bank of America loan  documents,
                      copies of which  have been  furnished  to  Butler,  at the
                      Closing  Date  the   consummation   of  the   transactions
                      contemplated by this Agreement and the Plan of Merger will
                      not
                                       17

<PAGE>

                      result  in the  breach  of any  term  or  provision  of or
                      constitute a default under any indenture,  mortgage,  deed
                      of trust, other agreement or instrument to which Modu-Line
                      is a party.

              (u)     No Consents Required

                      Except as provided in the Bank of America loan  documents,
                      all properties, interests in properties, assets and rights
                      of  Modu-Line  are  fully  transferable  pursuant  to this
                      Agreement and the Plan of Merger  without the necessity of
                      consents by any others of if required,  have been obtained
                      except as disclosed on Exhibit D.

              (v)     No Broker

                      Neither  Modu-Line  nor any  Shareholder  has retained any
                      broker,  agent  or  finder  or paid or  agreed  to pay any
                      brokerage  fee or  commission  or any  finder's fee to any
                      broker,  agent or finder on account of this  Agreement  or
                      Plan of Merger or any matters contemplated thereby.


              (w)     Pension and Welfare Benefit Plans

                      Modu-Line's  only  Pension and Welfare  Benefit  plans (as
                      defined in Section 3(i) and (2) of the Employee Retirement
                      Income Security Act of 1974 (ERISA)) are listed on Exhibit
                      D.  There  has been no  reportable  event (as  defined  in
                      Section 4043 of the Employee  Retirement  Income  Security
                      Act of  1974  ("ERISA",  no  event  described  in  Section
                      4062(e) or  Section  4063 of ERISA and no  termination  or
                      partial  termination  with  respect  to any  pension  plan
                      established or maintained by Modu-Line which is subject to
                      ERISA, and no accumulated  funding  deficiency (as defined
                      in Section 302 of ERISA)  exists with  respect to any such
                      plan. Modu-Line has made all contributions to fund pension
                      benefits  required  to  have  been  made  and  has had all
                      required audits performed.

              (x)     True Copies

                      True copies of each  contract,  agreement,  lease or other
                      instrument  listed in all  Schedules  and Exhibits  hereto
                      have been  furnished to  Vistawall or Butler.  No material
                      modifications  of such  documents  shall be made  prior to
                      Closing without the prior written approval of Butler.

              (y)     Environmental Matters

                      Except as set forth in Exhibit D:

                                       18

<PAGE>

                      (1)      To the best of their knowledge, Modu-Line is, and
                               at all  time has  been,  in  material  compliance
                               with, and has not been and is not in violation of
                               or  liable  under,  any  Environmental  law which
                               would materially  affect its business.  Modu-Line
                               and its  Shareholders  do not have any  knowledge
                               of,  nor has any of them or any other  person for
                               whose  conduct  they  are or may  be  held  to be
                               responsible,  received,  any actual or threatened
                               order,  notice, or other  communication  from (i)
                               any  governmental  body or private citizen acting
                               in the public  interest,  or (ii) the  current or
                               prior  owner  or  operator  of  any  real  estate
                               previously  owned by Modu-Line or with respect to
                               which Modu-Line has had an interest of any actual
                               or potential  violation or failure to comply with
                               any  environmental  law,  or  of  any  actual  or
                               threatened  obligation  to  undertake or bear the
                               cost of any  environmental,  health,  and  safety
                               liabilities  with respect to any such real estate
                               or any other  properties or assets (whether real,
                               personal, or mixed) in which Modu-Line has had an
                               interest,  or with  respect to any property at or
                               to which  Hazardous  Materials (as defined by any
                               federal   or  state  law  or   regulation)   were
                               generated,  manufactured,  refined,  transferred,
                               imported, used, or processed by Modu-Line, or any
                               other person for whose conduct Modu-Line might be
                               held   responsible,   or  from  which   Hazardous
                               Materials have been transported, treated, stored,
                               handled,  transferred,   disposed,  recycled,  or
                               received.

                      (2)      There are no pending or, to their  knowledge  any
                               threatened   claims,   encumbrances,   or   other
                               restrictions  of any nature,  resulting  from any
                               environmental,  health, and safety liabilities or
                               arising  under or pursuant  to any  environmental
                               law, with respect to or affecting any of the real
                               estate  or  any  other   properties   and  assets
                               (whether  real,  personal,  or  mixed)  in  which
                               Modu-Line has or had an interest.


                      (3)      They have no knowledge of, nor has any of them or
                               any other  person for whose  conduct  they are or
                               may be held responsible,  received, any citation,
                               directive,   inquiry,   notice,  order,  summons,
                               warning,   or   other   communication   from  any
                               governmental  body including those  administering
                               or enforcing any environmental law or other owner
                               of  any  real   property   that  relates  to  the
                               distribution,  generation,  handling, management,
                               processing,     release,    storage,    transfer,
                               transportation,    treatment   or   use   (herein
                               "Hazardous  Activity"),  Hazardous Materials,  or
                               any alleged,  actual,  or potential  violation or
                               failure to comply with any environmental  law, or
                               of any alleged,  actual, or potential  obligation
                               to   undertake   or   bear   the   cost   of  any
                               environmental,  health,  and  safety  liabilities
                               with respect to any of the Modu-Line  real estate
                               or any other

                                       19

<PAGE>

                               properties or assets (whether real, personal,  or
                               mixed) in which  Modu-Line  had an  interest,  or
                               with respect to any  property to which  hazardous
                               materials   generated,   manufactured,   refined,
                               transferred,  imported,  used,  or  processed  by
                               Modu-Line,  or any other person for whose conduct
                               they are or may be held  responsible,  have  been
                               transported,     treated,     stored,    handled,
                               transferred, disposed, recycled, or received.


                      (4)      Except as disclosed on Schedule 18, Modu-Line and
                               the   Shareholders   have  no  knowledge  of  any
                               Hazardous   Materials   present   on  or  in  the
                               Modu-Line real estate or at any  geologically  or
                               hydrologically adjoining property,  including any
                               Hazardous Materials  contained in barrels,  above
                               or  underground  storage tanks,  landfills,  land
                               deposits,  dumps,  equipment (whether moveable or
                               fixed) or other  containers,  either temporary or
                               permanent,  and  deposited  or  located  in land,
                               water,  sumps, or any other part of the said real
                               estate   or   such   adjoining    property,    or
                               incorporated   into  any  structure   therein  or
                               thereon.  Neither  they or any other  person  for
                               whose   conduct   they   are  or   may  be   held
                               responsible,  or to the best of their  knowledge,
                               any other person, has permitted or conducted,  or
                               is aware of,  any  Hazardous  Activity  conducted
                               with  respect  to the real  estate  or any  other
                               properties or assets (whether real, personal,  or
                               mixed) in which  Modu-Line has or had an interest
                               except in material compliance with all applicable
                               Environmental Laws.

                      (5)      To the best of  their  knowledge,  there  has not
                               been any  release  or  threat of  release  of any
                               Hazardous  Materials  at or from  Modu-Line  real
                               estate  or  at  any  other  locations  where  any
                               Hazardous Materials were generated, manufactured,
                               refined,  transferred,  produced, imported, used,
                               or processed from or by the said real estate,  or
                               from  or  by  any  other  properties  and  assets
                               (whether  real,  personal,  or  mixed)  in  which
                               Modu-Line   has  or  had  an  interest,   or  any
                               geologically    or    hydrologically    adjoining
                               property,  whether  by  Modu-Line  or  any  other
                               person.

                       (6)     There  has  been  delivered  to  Butler  true and
                               complete  copies  and  results  of  any  reports,
                               studies, analyses, tests, or monitoring possessed
                               or initiated by Modu-Line pertaining to Hazardous
                               Materials  or  Hazardous  Activities  in,  on, or
                               under  any  real   estate   presently   owned  by
                               Modu-Line or  concerning  compliance by Modu-Line
                               or any other  person for whose  conduct it may be
                               held responsible with environmental laws.


          4.2  Vistawall's and Butler's

               Representations and Warranties

              Vistawall and Butler each jointly and  individually  represent and
warrant as follows:

                                       20

<PAGE>


              (a)     Organization and Good Standing of Vistawall Windows, Inc.

                      Vistawall is duly organized,  validly existing and in good
                      standing under the laws of the state of Wisconsin, and its
                      authorized  capital is as stated in the  preamble  to this
                      agreement and all of its issued and outstanding  shares of
                      capital stock are owned by Butler.

              (b)     Organization and Good Standing of Butler Manufacturing
                      Company

                      Vistawall's parent, Butler Manufacturing  Company, is duly
                      organized, validly existing and in good standing under the
                      laws of the state of Delaware.  Butler's capitalization is
                      as stated in the preamble to this agreement and Butler has
                      over 2,000  owners of its issued  and  outstanding  common
                      stock.  Each  outstanding  share is validly issued,  fully
                      paid, non-assessable and is entitled to one vote.

              (c)     Due Authorization

                      The execution and delivery of this  Agreement and the Plan
                      of Merger to Modu-Line and the merger  contemplated hereby
                      have  been  duly   authorized  by  Vistawall's   board  of
                      directors  and  its  sole  shareholder,   Butler,  and  by
                      Butler's board of directors, and no further authorizations
                      by  shareholders  or  directors  are  required  to  enable
                      Vistawall  and  Butler  to  consummate  the   contemplated
                      merger.

              (d)     Butler Shares Duly Issued

                      All  shares of Butler  common  stock into which the common
                      stock  of   Modu-Line  is  to  be   converted,   will  be,
                      immediately  after the Effective Date of the merger,  duly
                      and  validly  authorized  and  issued  and fully  paid and
                      non-assessable   and  no   shareholder  of  Butler  or  of
                      Vistawall will have any pre-emptive  right of subscription
                      or purchase in respect thereof.

              (e)     Financial Statements

                      Butler has  furnished  Modu-Line  copies of the  following
                      financial  statements  and financial  information,  all of
                      which fairly state in accordance  with generally  accepted
                      accounting principles  consistently applied throughout the
                      periods  indicated the financial  condition and results of
                      operations of Butler:


                      (1)      The balance sheet,  related statement of earnings
                               and  shareholders'  equity  of  Butler  as of the
                               fiscal years ended 1996,  1995,  1994,  1993, and
                               1992 certified by KPMG Peat Marwick, Certified
                               Public Accountants.

                                       21

<PAGE>

                      (2)      Unaudited  balance  sheet,  related  statement of
                               earnings and shareholders  equity of Butler as of
                                 March 31, 1997.


              (f)     No Material Changes

                      Except as disclosed on Exhibit 4.2(f),  since December 31,
                      1996,  there has not been any material  change in Butler's
                      or Vistawall's  financial condition,  assets,  liabilities
                      contingent or otherwise,  or business,  other than changes
                      in the ordinary course of business, none of which has been
                      materially adverse.


              (g)     No Broker

                      Neither  Vistawall  nor Butler has  retained  any  broker,
                      agent or finder or paid or agreed to pay any brokerage fee
                      or commission or any finder's fee to any broker,  agent or
                      finder on account of this  Agreement or the Plan of Merger
                      or any matters contemplated thereby.

              (h)     SEC 10-K; Annual Report; Proxy Statement

                      Butler has  heretofore  delivered  to  Modu-Line  and each
                      Shareholder  a copy of its Form 10-K for the  fiscal  year
                      ended  December  31,  1996,  and of its  Form  10Q for the
                      quarter  ended  March 31,  1997 and of Form 8K dated April
                      15,  1997,  which it has filed  with the SEC (the  "Butler
                      Reports").  The Butler  Reports  incorporate  by reference
                      therein  the  Butler  1997  NOTICE  OF ANNUAL  MEETING  OF
                      STOCKHOLDERS  AND PROXY STATEMENT (the "Proxy  Statement")
                      and  certain  parts of  Butler's  1996  Annual  Report  to
                      Stockholders  (the "Annual  Report"),  which  incorporated
                      documents  have also been  delivered to Modu-Line  and the
                      Shareholders.  To the  knowledge  of  Butler,  the  Butler
                      Reports do not contain, as of the date of such Report, any
                      untrue  statement  of a material  fact nor does it omit to
                      state a material  fact  required  to be stated  therein or
                      necessary to make the statements made therein, in light of
                      the circumstances in which they were made, not misleading.
                      Furthermore,  except as otherwise  disclosed in the Butler
                      Reports,   to  the   knowledge   of  Butler,   Butler  has
                      experienced  no material  adverse  change in its financial
                      condition,  properties,  business or  prospects  since the
                      date  thereof.  To the best of its  knowledge  the  Butler
                      Reports have been prepared in material compliance with all
                      applicable  securities laws,  rules and  regulations,  and
                      that the financial  statements  included therein have been
                      prepared in accordance  with general  accepted  accounting
                      principles, consistently applied, and represent fairly the
                      financial condition and results of operations of Butler as
                      of the dates and for the periods covered thereby.

                                       22

<PAGE>

     4.3      Right of Inspection

              Each  Constituent  Corporation and Butler grants to the other, and
              its officers, employees,  attorneys, and agents, the right, during
              normal  business hours, to inspect its records and to consult with
              its officers, employees,  attorneys, and agents for the purpose of
              determining  the accuracy of the  representations  and  warranties
              hereinabove  made.  In order to  facilitate  such  inspection  and
              consultation  and  to  conclude  other  arrangements  incident  or
              related to the transaction each Constituent Corporation and Butler
              will  compile  and  furnish  such  information  as the  other  may
              reasonably request.


                                    ARTICLE V
                                    COVENANTS

     5.1      Modu-Line's and Shareholder's Covenants

              Modu-Line and the Shareholders  agree that from the date hereof to
              the Closing Date of the merger Modu-Line will:

              (a)     Operate Business in Ordinary Manner

                      Operate  its  business  only in the  usual,  regular,  and
                      ordinary  manner so as to  maintain  the  goodwill  it now
                      enjoys and, to the extent  consistent with such operation,
                      it will use all reasonable  efforts to preserve intact its
                      present business organization, keep available the services
                      of its  present  principal  officers  and  employees,  and
                      preserve its  relationships  with its suppliers,  jobbers,
                      distributors, and others having business dealings with it.

              (b)     Maintain Property

                      At its  expense,  maintain  all its  property in customary
                      repair, order, and condition,  reasonable wear and use and
                      damage by fire or unavoidable  casualty excepted (subject,
                      however, to the provisions of Paragraph 5.1(h)).

              (c)     Employment Contracts

                      Not enter  into any  management  contracts  of  employment
                      except in accordance with a plan or procedure  approved by
                      Butler.

              (d)     Borrowings

                      Not make any new borrowings  pursuant to its existing line
                      of credit with Bank

                                       23

<PAGE>

                      of America or  otherwise in excess of the  Borrowing  Base
                      limitations  as  provided  in the Bank  documents  without
                      Butler's prior written consent.

              (e)     Capital Expenditures

                      Not enter into commitments involving capital expenditures,
                      loans,  or  advances,   and  not  voluntarily   incur  any
                      contingent   liability   except   with  regard  to  office
                      refurbishing  and  extrusion  dies (neither of which shall
                      exceed $25,000) or a crimping machine for $17,000,  85% of
                      which will be financed through  Modu-Line's  existing loan
                      facility or as may be mutually agreed to by Butler.

              (f)     Maintain Books and Records

                      Maintain  its books of account  and  records in the usual,
                      regular, and ordinary manner, in accordance with generally
                      accepted  accounting  principles  applied on a  consistent
                      basis.

              (g)     Comply With Law

                      Duly  comply  with  all laws  applicable  to it and to the
conduct of its business.

              (h)     Insurance

                      Maintain  insurance  upon  all  its  properties  and  with
                      respect to the conduct of its business in such amounts and
                      of such  kinds  as are in  effect  as of the  date of this
                      Agreement,  or as the same  may be  added to from  time to
                      time  in  Modu-Line's  discretion;  provided,  that in the
                      event that  during the period  from the date hereof to and
                      including  the Closing  Date any of the property or assets
                      of  Modu-Line  are damaged or  destroyed  by fire or other
                      casualty,  the obligations of Butler, the Shareholders and
                      of the Constituent  Corporations under this Plan shall not
                      be affected  thereby,  but Modu-Line shall promptly notify
                      Butler and  Vistawall in writing  thereof and proceed with
                      the repair or  restoration  thereof in such  manner and to
                      such extent as may be approved  by Butler,  and,  upon the
                      Closing  Date,  all  proceeds of  insurance  and claims of
                      every  kind  arising  as a result  of any such  change  or
                      destruction  shall  become the  property of the  Surviving
                      Corporation.

              (i)     Disposal of Assets

                      Not sell or dispose of any property or assets or engage in
                      any activity or  transaction,  or encumber any property or
                      assets,  except  in  the  usual  and  ordinary  course  of
                      business.

              (j)     Changes to Articles of Incorporation


                                       24

<PAGE>

                      Not amend its Articles of Incorporation or Bylaws or merge
                      or  consolidate  with or into  any  other  corporation  or
                      change in any manner  the  rights of its  Common  Stock or
                      other securities or the character of its business.


              (k)     Stock Options

                      Not issue, reissue, or sell, or issue options or rights to
                      subscribe  to, or enter into any contract or commitment to
                      issue,  reissue,  or sell (upon  conversion or otherwise),
                      any shares of its capital  stock,  or  subdivide or in any
                      way  reclassify  any  shares  of  its  capital  stock,  or
                      acquire,  or agree to  acquire,  any shares of its capital
                      stock.

              (l)     Dividends

                      Not  declare  or  pay  any  dividends  on  shares  of  its
                      outstanding Common Stock or make any other distribution of
                      assets to the holders  thereof as such  except  directors'
                      fees  paid  in  the  ordinary   course   consistent   with
                      Modu-Line's past practices.


              (m)     Material Adverse Changes

                      Promptly  advise  Vistawall  and  Butler in writing of any
                      material  adverse  change  in  the  financial   condition,
                      business, or affairs of Modu-Line.

     5.2      Vistawall's and Butler's Covenants

              Vistawall  and  Butler  agree  that  from the date  hereof  to the
              Effective Date of the Merger it will:

              (a)     Material Adverse Changes

                      Promptly  advise  Modu-Line  in  writing  of any  material
                      adverse  change in the  financial  condition,  business or
                      affairs of Vistawall or Butler.

                                   ARTICLE VI
                                   CONDITIONS

     6.1      Conditions to Vistawall's and Butler's Obligation to Effect the
              Merger

              The  obligation of Vistawall  and Butler to consummate  and effect
              the merger hereunder
                                       25

<PAGE>


              shall be subject to the following conditions:

              (a)     Representations and Warranties True As of Close; Other
                      Obligations Met

                      The  representations  and warranties of  Shareholders  and
                      Modu-Line  herein  contained  shall  be  true as of and at
                      Closing  Date with the same  effect as though made at such
                      date;  Shareholders and Modu-Line shall have performed all
                      obligations  and complied with all  covenants  required by
                      this  Agreement  and the Plan of Merger to be performed or
                      complied  with prior to the  Closing  Date of the  merger;
                      there shall not have been any  development  which,  in the
                      reasonable  judgment of Butler,  threatens  to disturb the
                      management of the Surviving Corporation;  each Shareholder
                      and Modu-Line shall have delivered to Butler a certificate
                      dated the  Closing  Date of such  merger to the  foregoing
                      effect.

              (b)     Director Approval

                      Butler  shall  have  received  a  certified  copy  of  the
                      resolution  adopting this Agreement and the Plan of Merger
                      adopted  by  the  unanimous   vote  of  the  directors  of
                      Modu-Line.


              (c)     Shareholder Approval

                      Subject to the  provisions  of Article  VIII  hereof,  the
                      holders of all of the  outstanding  shares of Common Stock
                      of Modu-Line  shall have voted in favor of the adoption of
                      this Agreement and the Plan of Merger contemplated hereby.

              (d)     Transactions Acceptable to Counsel

                      All  transactions  contemplated  hereby,  and the form and
                      substance of all legal  proceedings and of all papers used
                      or delivered hereunder,  shall be reasonably acceptable to
                      counsel for Butler.

              (e)     Consents Obtained

                      The  holders  of any  indebtedness  of  Modu-Line  and the
                      lessors of any  property of  substantial  value  leased by
                      Modu-Line   and  the  other   parties  to,  any   material
                      agreements to which Modu-Line is a party,  shall, when and
                      to the extent  necessary,  in the opinion of Butler or its
                      counsel,  have consented to the merger contemplated hereby
                      or have  waived any breach or default  resulting  from the
                      consummation  of the merger or any  preferential  or other
                      rights they would  otherwise have by reason of the merger.
                      In determining  the  materiality of any agreement,  Butler
                      may take  into  consideration  the  cumulative  effect  of
                      similar

                                       26

<PAGE>

                      and related agreements.

              (f)     Registration of Butler Stock Not Required

                      Butler shall be furnished with an opinion from its counsel
                      that the  issuance of Butler's  Common  Stock  pursuant to
                      this  Plan  will  not  require   registration   under  the
                      Securities Act of 1933.

              (g)     Opinion of Counsel

                      Butler shall have received a favorable  opinion,  dated as
                      of the Closing Date from The Law Offices of  Tuchscherer &
                      Smith, S.C.,  counsel to Modu-Line,  in form and substance
                      reasonably  satisfactory to Butler and its counsel, to the
                      effect that the corporate  existence,  good standing,  and
                      authorized  and issued stock of Modu-Line are as stated or
                      referred to in this Agreement and the Plan of Merger; that
                      Modu-Line  has  taken  all  corporate  actions  which  are
                      conditions precedent to Modu-Line's obligations under this
                      Agreement and the Plan of Merger;  that,  except as may be
                      specified  by  said  counsel,  they  do  not  know  of any
                      undisclosed    material   litigation,    proceeding,    or
                      governmental  investigation  or  labor  dispute  or  labor
                      trouble  pending  or  threatened  against or  relating  to
                      Modu-Line  or  its   properties  or  business;   that  all
                      corporate and other proceedings required to be taken by or
                      on the part of  Modu-Line  to  authorize  and to carry out
                      this  Agreement  and the Plan of Merger  and to effect the
                      merger  contemplated  hereby  have been duly and  properly
                      taken;  and that this  Agreement and the Plan of Merger is
                      the valid obligation of Modu-Line, legally binding upon it
                      in accordance with its terms.

                      Butler shall also have received such opinion of counsel as
                      to titles to Modu-Line's  properties,  property interests,
                      and assets on the Closing Date as Butler's  counsel  shall
                      reasonably  require.  The  opinions  referred  to in  this
                      paragraph shall also cover such other matters  incident to
                      the  transaction  herein  contemplated  as Butler  and its
                      counsel may reasonably request,  including the form of all
                      papers,   the  validity  of  all   proceedings,   and,  if
                      requested,  shall  include a  statement  with  respect  to
                      counsel's knowledge of the practices followed by Modu-Line
                      in acquiring  title to real  property.  In rendering  such
                      opinion with respect to title to property, The Law Offices
                      of  Tuchscherer  &  Smith,   S.C.,  may  rely  upon  title
                      certificates,   opinions  and  other  counsel,   or  other
                      evidence which they deem satisfactory.


              (h)     Approvals Obtained

                      Any and all permits,  approvals,  and other actions of any
                      authority  reasonably

                                       27
<PAGE>

                      required  in the  opinion  of  counsel  for Butler for the
                      lawful  consummation of the merger as contemplated by this
                      Agreement and the Plan of Merger shall have been obtained,
                      and no  such  permit,  approval,  or  other  action  shall
                      contain  any  provision  which in the  judgment  of Butler
                      shall be unduly burdensome.


              (i)     Dissenters Rights Relinquished

                      Shareholders shall have relinquished all dissenters rights
                      available to them under Wisconsin law.

              (j)     Investor Representation Letter

                      Each Shareholder shall have signed and delivered to Butler
                      an Investor  Representation  Letter in the form set out at
                      Exhibit F.

              (k)     Plan of Merger

                      The Plan of  Merger  at  Exhibit  A has been  approved  by
                      Shareholders   representing   all   of  the   issued   and
                      outstanding shares of Modu-Line.


              (l)     Documents Delivered

                      Each of the following  documents shall have been delivered
to Butler:

                      (1)      Written resignations as officers and/or directors
                               of Modu-Line of the individuals whose names are
                              set out on Exhibit C.

                      (2)      Title  insurance  policies  brought  down  to the
                               Closing  Date  of  a  title   insurance   company
                               satisfactory to Butler or opinions of Modu-Line's
                               counsel   as   provided   in   Paragraph   6.1(g)
                               evidencing  the fee simple  title of Modu-Line in
                               and to the real estate described on Schedule 12.

                       (3)     Non-compete agreements from each Shareholder, as
                               individuals, in the form of Exhibit G.


     6.2     Conditions to Modu-Line's and Shareholders' Obligation to Effect
             the Merger


              The obligation of Modu-Line and of the  Shareholders to consummate
              and effect the merger  hereunder shall be subject to the following
              conditions:

                                       28

<PAGE>


              (a)     Representations and Warranties True As of Close; Other
                      Obligations Met

                      The representations and warranties of Vistawall and Butler
                      herein  contained  shall be true as of the Closing Date of
                      the  merger  with the same  effect as though  made at such
                      date;  Vistawall  and  Butler  shall  have  performed  all
                      obligations  and complied  with all  promises  required by
                      this  Agreement  and the Plan of Merger to be performed or
                      complied  with  by it  prior  to the  Closing  Date of the
                      merger;  there shall not have been any development  which,
                      in  the   reasonable   judgment   of   Modu-Line   or  its
                      Shareholders, threatens to materially disturb the business
                      of Butler or  Vistawall;  and  Vistawall  and Butler shall
                      have  delivered to Modu-Line a certificate  dated the date
                      of the  consummation  of such  merger  and  signed  by its
                      President,  or  one  of  its  Vice  Presidents  and by its
                      Secretary or its Treasurer to the foregoing effect.

              (b)     Director Approval

                      Modu-Line  shall  have  received a  certified  copy of the
                      resolution approving this Agreement and the Plan of Merger
                      adopted by at least a majority  vote of the  Directors  of
                      Vistawall and of Butler.

              (c)     Shareholder Approval

                      Subject to the provisions of Article VIII hereof,  Butler,
                      the sole  shareholder  of  Vistawall,  shall have voted in
                      favor of the  adoption of this  Agreement  and the Plan of
                      Merger and the merger contemplated hereby.

               (d)    Transactions Acceptable to Counsel

                      All  transactions  contemplated  hereby,  and the form and
                      substance of all legal  proceedings and of all papers used
                      or delivered hereunder,  shall be reasonably acceptable to
                      counsel  for the  Shareholders  and for  Modu-Line  to the
                      extent   reasonably   requested  by   Modu-Line   and  the
                      Shareholders.

              (e)     Opinion of Counsel

                      Shareholders and Modu-Line shall have received a favorable
                      opinion,  dated as of the Closing  Date,  from  Richard O.
                      Ballentine,  Esquire,  counsel  for  Butler,  in form  and
                      substance  reasonably  satisfactory  to Modu-Line  and the
                      Shareholders  and their  counsel,  to the effect  that the
                      corporate  existence,  good  standing,  and authorized and
                      issued stock of Vistawall and Butler and its  consolidated
                      subsidiaries   are  as  stated  or  referred  to  in  this
                      Agreement and Plan of Merger;
                                       29

<PAGE>

                      that Vistawall and Butler have taken all corporate actions
                      which are conditions  precedent to their obligations under
                      this  Agreement  and the Plan of  Merger;  that the Butler
                      Common  Stock which is to be issued  pursuant to the terms
                      of this  Agreement  and the Plan of  Merger  has been duly
                      authorized and, when issued and delivered  pursuant to the
                      terms hereof and the Plan of Merger will have been legally
                      and   validly   issued   and  will  be   fully   paid  and
                      non-assessable  and no  shareholder of Vistawall or Butler
                      will have any preemptive right of subscription or purchase
                      in  respect   thereof;   that  all   corporate  and  other
                      proceedings  reasonably  required to be taken by or on the
                      part of Vistawall and Butler to authorize and to carry out
                      this  Agreement  and the Plan  and to  effect  the  merger
                      contemplated  hereby  have been duly and  properly  taken;
                      that this  Agreement and the Plan is the valid  obligation
                      of  Vistawall  and  Butler,  legally  binding  upon  it in
                      accordance with its terms.

                      Such opinion shall also cover such other matters  incident
                      to the  transaction  herein  contemplated as Modu-Line and
                      Shareholders  and  its  counsel  may  reasonably  request,
                      including the form of all papers,  and the validity of all
                      proceedings.


              (f)     Approvals Obtained

                      Any and all permits,  approvals,  and other actions of any
                      authority   required   in  the   opinion  of  counsel  for
                      Shareholders and for Modu-Line for the lawful consummation
                      of the merger as  contemplated  by this  Agreement and the
                      Plan  shall  have  been  obtained,  and  no  such  permit,
                      approval,  or other  action  shall  contain any  provision
                      which  in the  reasonable  judgment  of  Shareholders  and
                      Modu-Line shall be unduly burdensome.


              (g)     Plan of Merger

                      The Plan of Merger at Exhibit A has been  approved  by all
                      of the shares of Vistawall.


              (h)     Accountants Opinion

                      There  shall  have been  received  from  Arthur  Andersen,
                      Certified  Public   Accountants,   an  opinion  reasonably
                      satisfactory to  Shareholders  and Modu-Line to the effect
                      that Modu-Line  shareholders receiving Butler common stock
                      pursuant to Article II hereof  will  receive the same as a
                      tax-free  exchange  under  Section  368  of  the  Internal
                      Revenue Code of 1954, as amended.

                                       30

<PAGE>

                                   ARTICLE VII
                     SHAREHOLDER APPROVAL; FILINGS; EXPENSES


     7.1      Submission to Shareholders


              Prior to the  Closing,  Vistawall  and  Modu-Line  agree that this
              Agreement  and the Plan of  Merger  signed by the  parties  hereto
              shall be submitted to the  shareholders of each of the Constituent
              Corporations,  as provided by law, at separate meetings called and
              held on such date as the Boards of  Directors  of the  Constituent
              Corporations  shall  approve.  If this  Agreement  and the Plan is
              adopted  and  approved at such  meetings,  or any  adjournment  or
              adjournments  thereof,  by the affirmative  vote of the holders of
              two-thirds of the  outstanding  shares of Common Stock,  then such
              documents as may be required by law to accomplish the merger shall
              (if this Agreement and the Plan shall not have been  terminated or
              abandoned  pursuant to the  provisions  of Article VIII hereof) be
              delivered or filed with the  Department of Financial  Institutions
              of the State of Wisconsin  with an Effective  Date to be not later
              than the Closing Date.  Butler,  Shareholders  and the Constituent
              Corporations  shall then do all such  further acts or things which
              may be required to accomplish  the merger or which may be required
              by law. If this Agreement and Plan is not so adopted and approved,
              then this Agreement and the Plan shall terminate.

     7.2      Expenses

              If the merger contemplated hereby is consummated, Butler shall pay
              the fees and expenses of the Constituent  Corporations' as well as
              the Shareholders' counsel (The Law Offices of Tuchscherer & Smith,
              S.C.  up to an  aggregate  of  $50,000)  and of their  accountants
              (Arthur  Andersen) up to an aggregate of $10,000) and all expenses
              of carrying this  Agreement and the Plan of Merger into effect and
              of accomplishing the merger. If the merger  contemplated hereby is
              not  consummated  and  made  effective,   then  each   Constituent
              Corporation, Butler and Shareholders shall bear their expenses and
              the  fees of  their  respective  counsel,  accountants  and  other
              representatives incurred in connection with this Agreement and the
              Plan and in connection with all things required to be done by each
              of them hereunder.


                                  ARTICLE VIII
                                   TERMINATION

     8.1      Causes for Termination

              Anything  contained in this Agreement and the Plan to the contrary
              notwithstanding,  each

                                       31
<PAGE>


              may be  terminated  and the merger  abandoned at any time (whether
              before  or  after  the  approval  and  adoption   thereof  by  the
              shareholders  of  Vistawall  or Modu-Line or of both) prior to the
              Closing Date of the merger:

              (a)     By mutual consent of Butler and the Shareholders and of
                      the Constituent Corporations.

              (b)     By Butler and Vistawall, if any of the conditions set
                      forth in Paragraph 6.1 hereof has not been met and has not
                      been waived.

              (c)     By Shareholders and Modu-Line, if any of the conditions
                      set forth in Paragraph 6.2 hereof has not been met and has
                      not been waived.

              (d)     By Butler and Vistawall or by Shareholders  and Modu-Line,
                      if any suit,  action, or other proceeding shall be pending
                      or  threatened  which,  in the  opinion  of  its  counsel,
                      materially  and  adversely  affects the  prospects  of the
                      merger.

              (e)     By Butler and  Vistawall,  if in its  opinion  there shall
                      have  occurred or been  threatened,  for any  reason,  any
                      material  adverse  change in the  condition,  financial or
                      otherwise, of Modu-Line.

               (f)    By  Shareholders  and  Modu-Line,  if in its opinion there
                      shall have  occurred or been  threatened,  for any reason,
                      any material adverse change in the condition, financial or
                      otherwise, of Vistawall or Butler.

              (g)     By Butler and Vistawall or by Shareholders  and Modu-Line,
                      if the merger shall not have become effective on or before
                      the  Closing  Date,  unless  such date is  extended by the
                      mutual consent of Butler and Shareholders.

              (h)     By Butler and  Vistawall,  if in its  opinion,  any of the
                      matters listed on Exhibit D would have a material  adverse
                      effect on the  business of the  Surviving  Corporation  or
                      would  cause the  Surviving  Corporation  to be exposed to
                      material contingent liabilities.


     8.2      Board of Directors to Act

              An  election  by  a  Constituent  Corporation  to  terminate  this
              Agreement  or the Plan  and  abandon  the  merger  as  hereinabove
              provided  shall be exercised on behalf of such  corporation by its
              Board of Directors and written notice to that effect shall then be
              given to all other  parties not less than three (3) business  days
              thereafter.  An  election  by  Butler  shall be  exercised  by its
              Chairman of the Board and by the Shareholders by Donald P. Carter.

                                       32

<PAGE>


     8.3      Agreement and Plan Void

              In the event of the  termination and abandonment of this Agreement
              and the Plan pursuant to the  provisions of Paragraphs 7.1 and 8.1
              hereof, the same shall become void and have no effect, without any
              liability  on the part of  Butler,  Shareholders  or either of the
              Constituent   Corporations   or  its   directors  or  officers  or
              shareholders  in  respect  thereof  except as  expressly  provided
              herein  and  except  with  regard  to  any   confidentiality   and
              non-disclosure agreement between the parties.

     8.4      Waiver

              Any of the terms or conditions of this  Agreement and the Plan may
              be  waived,  at any time  prior to the filing of the Plan with the
              Department of Financial Institutions of the State of Wisconsin, by
              any party  entitled to the benefit  thereof by action taken by its
              Board  of  Directors,  the  Executive  Committee  of its  Board of
              Directors,  its Chairman of the Board or its  President or, in the
              case of the Shareholders by Donald P. Carter.

                                   ARTICLE IX
                         INDEMNIFICATION BY SHAREHOLDERS

     9.1      Nature and Survival of Representations

              Except as  otherwise  expressly  provided in this  Agreement,  the
              representations,  warranties,  obligations  and agreements made by
              Modu-Line and by its  Shareholders in this Agreement,  or pursuant
              hereto, shall be deemed individual and joint and shall survive the
              Closing,  the merger and any  investigation at any time made by or
              on behalf of Vistawall or Butler.

     9.2      Indemnification

              Shareholders,  individually and jointly,  shall defend,  indemnify
              and hold  Modu-Line,  Vistawall and Butler,  its agents,  offices,
              directors,  shareholders and employees  harmless from and against,
              and will  reimburse  them on demand  for,  the amount of any loss,
              liability,  claim, damage (including  incidental and consequential
              damages, expenses including attorneys' fees, and costs incurred in
              investigating and defending against such payment or claim therefor
              or  diminution  of value,  whether or not  involving a third party
              claim (individually "Loss" and collectively  "Losses") at any time
              after the Closing Date arising directly or indirectly out of or in
              connection with:

              (a)     Misrepresentation and Breaches

                      Any  misrepresentation,  omission,  breach of  warranty or
                      nonfulfillment of any covenant, obligation or agreement on
                      the  part  of   Shareholders   or  Modu-Line   under  this
                      Agreement,  any Schedule,  Exhibit,  certificate  or other
                      instrument  or  document  furnished  or  to  be  furnished
                      pursuant to this Agreement, and

              (b)     Unrecorded Liabilities

                      Any Loss  arising out of any  liabilities  of Modu-Line of
                      any

                                       33

<PAGE>

                      nature whatsoever,  whether accrued,  fixed, contingent or
                      otherwise  existing at, occurring prior to, or arising out
                      of facts  occurring  prior  to the  Closing  Date,  to the
                      extent  not  reflected  or  fully   reserved   against  in
                      Modu-Line's balance sheet prepared as of December 31, 1996
                      and/or April 30, 1997,  or not reflected in any Exhibit or
                      Schedule  to  this  Agreement,  and  except  for  expenses
                      incurred by Modu-Line  after April 30, 1997 arising in the
                      ordinary course of business.

               (c)    Taxes

                      Any  Loss  incurred  by  Butler,  Vistawall  or  Modu-Line
                      arising out of Modu-Line's  failure or alleged  failure to
                      pay any tax or file any tax  return  with  respect  to the
                      conduct of its business prior to the Closing Date.


     9.3      Limitations on Amount of Shareholders' Liability

              Except as provided in paragraph  9.5,  Shareholders  shall have no
              liability  to  Butler  or  Vistawall   (for   indemnification   or
              otherwise)  hereunder  until the total of all Losses  incurred  by
              Butler, Vistawall or Modu-Line exceed in the aggregate $30,000. If
              such Losses exceed such amount then  Shareholders  shall be liable
              for all  Losses  incurred  up to a maximum of  $350,000,  the Cash
              Consideration.

     9.4      Time Limitations

              If the Closing  occurs,  Shareholders  shall have no  liability to
              Butler or Vistawall (for  indemnification or otherwise)  hereunder
              after  December  31,  1999  unless  Butler or  Vistawall  notifies
              Shareholders  of a claim  prior to such  date.  The  notice  shall
              indicate the factual basis of any claim(s) in reasonable detail to
              the extent then known to Butler or Vistawall.


     9.5      Circumstances in which Limitations Do No Apply

          (a)        The  limitations  of  Paragraph  9.3  do  not  apply  to an
                     individual  Shareholder  with  respect to claims for Losses
                     incurred by Butler,  Vistawall or Modu-Line  arising out of
                     any  willful,  fraudulent,  or  intentional  breach by such
                     Shareholder of any
                                       34

<PAGE>


                      representations  and  warranties  or of  any  covenant  or
                      obligation   hereunder,   and  such  Shareholder  will  be
                      individually  liable  for all Losses  incurred  by Butler,
                      Vistawall or Modu-Line with respect to such breaches up to
                      the value of such Shareholder's proportionate share of the
                      $7,350,000 of Butler stock and cash consideration received
                      for  such   Shareholders   Modu-Line   shares   (less  the
                      Shareholders'  aggregate  liability for Losses as to which
                      the  Shareholders are obligated to reimburse Butler by set
                      off  against  the  $350,000  Cash   Consideration,   which
                      otherwise  is to be paid by Butler on December  31,  1999)
                      but in no event more than $1 million.


              (b)     The  limitations  of Paragraph  9.3, 9.4 or 9.5 (a) do not
                      apply with  respect to any  Shareholder's  indemnification
                      obligations under Paragraph 10.2 (c).


     9.6      Accounts Receivable and Warranty Obligations

              In addition to the  obligations  at Paragraph  9.2, but subject to
              Paragraph  9.3,  Shareholders  jointly and  individually  agree to
              reimburse Butler by set-off against the Cash Consideration for:

              (a)     Accounts Receivable

                      The amount of any Accounts  Receivable  of Modu-Line as of
                      the Closing Date,  less bad debt  reserves,  to the extent
                      not  fully  collected   after   reasonable  and  customary
                      collection  efforts within 150 days after it first becomes
                      due  and  payable.  Reasonable  and  customary  collection
                      efforts  shall  not  require  the  filing  of any  suit or
                      proceeding  or  the  placement  of  the  account  with  an
                      attorney or other professional collector.  With respect to
                      Accounts  Receivable  on jobs  covered by a payment  bond,
                      Modu-Line  shall attempt to collect on the bond. Upon such
                      reimbursement by set-off,  Butler shall cause Modu-Line to
                      assign such  uncollected  accounts,  and payment bonds, if
                      applicable, to Shareholders, jointly
 .
                      Following  each  quarter,  Butler  will  send a report  to
                      Donald P. Carter on behalf of the  Shareholders  detailing
                      the amounts of any Accounts Receivable of Modu-Line on its
                      books as of the Closing Date that are not fully collected.


              (b)     Warranty Obligations

                      All sums  expended or reserved for by Modu-Line  after the
                      Closing  Date and prior to December  31, 1999  relating to
                      products shipped or services  performed by Modu-Line prior
                      to the Closing Date with respect to product defects,

                                       35

<PAGE>

                      backcharges and claims whether or not under contract to do
                      so which exceed, in the aggregate, the sum of Modu-Line's:

                      (1)    Warranty Reserves as defined in Paragraph 4.1 (q)
                             as of the Closing Date, plus

                      (2)    $300,000.

                      For purposes of Paragraph  9.4,  Butler shall be deemed to
                      have  notified  the  Shareholders  of a claim  under  this
                      Paragraph  9.6  (b)  arising  from  products   shipped  or
                      services  performed by Modu-Line prior to the Closing Date
                      where such claim is asserted  on or prior to December  31,
                      1999,  provided  Butler  presents an actual notice of such
                      claim to the Shareholders by February 28, 2000.

                      Following  each  quarter,  Butler  will  send a report  to
                      Donald P. Carter on behalf of  Shareholders  detailing the
                      sums expended by or  reasonably  reserved for by Modu-Line
                      during  such  quarter  relating  to  products  shipped  or
                      services  performed by Modu-Line prior to the Closing Date
                      with respect to product defects, backcharges and claims as
                      indicated above.

     9.7      Security.

              The Cash  Consideration for Modu-Line stock to be paid on February
              28,  2000  pursuant  to  Paragraphs  2.4 and 2.6  shall  serve  as
              security for the Shareholders'  obligations under this Article IX.
              Subject to  Article  XI, at any time prior to payment of said Cash
              Consideration to Shareholders, Butler may apply all or any portion
              of said amount to pay,  settle or discharge any claim with respect
              to such obligations,  along with all reasonable costs and expenses
              incident thereto.

              Following  each  quarter,  Butler  will send a report to Donald P.
              Carter on behalf of the Shareholders  detailing the amounts of the
              Cash Consideration  applied pursuant to this Paragraph 9.7 to pay,
              settle or discharge  any claim with  respect to the  Shareholders'
              obligations under this Article IX.

     9.8      Exclusive Remedies

              The remedies  provided in this  Article IX shall be the  exclusive
              remedies  available to Vistawall  and Butler and all such remedies
              shall be limited to monetary  losses  only,  net of any  insurance
              proceeds or payments from any other responsible parties or sources
              (after  deduction of Butler's and Vistawall's  costs in collecting
              such  amounts  and  other  costs  due to such  recoveries  such as
              premium  adjustments  and  indemnification  obligations).  Nothing
              herein  however  shall limit  Butler's  rights with respect to the
              Non-Competition Agreements delivered to Butler at the Closing.


                                       36

<PAGE>

                                    ARTICLE X
                     INDEMNIFICATION BY VISTAWALL AND BUTLER

10.1     Nature and Survival of Representations

         All  representations,  warranties,  obligations  and agreements made by
         Vistawall and Butler in this Agreement,  or pursuant  hereto,  shall be
         deemed  individual and joint and shall survive the closing,  the merger
         and any  investigation at any time made by or on behalf of Modu-Line or
         its Shareholders.

10.2     Indemnification

         Vistawall and Butler, individually and jointly, shall defend, indemnify
         and hold  Shareholders  harmless from and against,  and will  reimburse
         them on demand for, the

         amount of any loss, liability,  claim, damage (including incidental and
         consequential  damages  expense  including  attorneys'  fees and  costs
         incurred in investigating  and defending  against such payment or claim
         therefor or diminution of value, whether or not involving a third party
         claim (individually "Loss" and collectively "Losses") at any time after
         the Closing Date arising directly or indirectly out of or in connection
         with:


         (a)      Misrepresentation and Breaches

                  Any  misrepresentation,   omission,   breach  of  warranty  or
                  nonfulfillment of any covenant, obligation or agreement on the
                  part  of  Vistawall  or  Butler  under  this  Agreement,   any
                  Schedule, Exhibit, certificate or other instrument or document
                  furnished or to be furnished pursuant to this Agreement, and

         (b)      Unrecorded Liabilities

                  Any Loss arising out of any liabilities of Vistawall or Butler
                  of any nature whatsoever,  whether accrued,  fixed, contingent
                  or otherwise  existing at,  occurring prior to, or arising out
                  of facts  occurring  prior to the Closing  Date, to the extent
                  not  reflected or fully  reserved  against in  Vistawall's  or
                  Butler's  audited  balance  sheet  prepared as of December 31,
                  1996, or unaudited  balance sheet as of March 31, 1997, or not
                  reflected  in any Exhibit or Schedule to this  Agreement,  and
                  except for  expenses  incurred  by Butler or  Vistawall  after
                  December 31, 1996 arising in the ordinary course of business.


         (c)      Registration Statement Disclosures

                                       37

<PAGE>

                  With respect to Article  XIII,  Butler agrees to indemnify and
                  hold harmless any selling  Shareholder and each underwriter of
                  such   Shares   against  any   losses,   claims,   damages  or
                  liabilities,   joint  or  several,   to  which  such   selling
                  Shareholder or underwriter may become subject under the Act or
                  other  securities  laws,  insofar  as  such  losses,   claims,
                  damages,  or liabilities (or actions in respect thereof) arise
                  out of or are based upon any untrue  statement of any material
                  facts  contained  in  the   Registration  as  amended  on  the
                  effective  date of such  Registration  or such  amendment,  or
                  arise out of or are based upon the omission to state therein a
                  material  fact  required to be stated  therein or necessary to
                  make  statements  therein not  misleading,  and will reimburse
                  each selling Shareholder and each underwriter for any legal or
                  other expenses reasonably incurred by such selling Shareholder
                  or underwriter in connection with  investigating  or defending
                  against any such loss,  claim,  damage,  liability  or action;
                  provided, however, that Butler shall not be liable in any such
                  case to a selling  Shareholder  or underwriter or other person
                  to the extent that any such loss,  claim,  damage or liability
                  arises  out  of or is  based  upon  any  untrue  statement  or
                  omission made in the  Registration as amended in reliance upon
                  information  furnished to Butler by the Shareholder's agent or
                  by  any  selling  Shareholder  or  underwriter.  Each  selling
                  Shareholder  shall  indemnify and hold harmless  Butler,  each
                  officer and director of Butler,  and each person,  if any, who
                  controls  Butler  against  any  losses,   claims,  damages  or
                  liabilities  which Butler or such  underwriter or other person
                  may  become  subject  under  the Act or any  securities  laws,
                  insofar as such losses,  claims,  damages or  liabilities  (or
                  actions in respect thereof) arise out of or are based upon any
                  untrue statements or omissions made in the Registration  which
                  are  furnished  to Butler  by such  selling  Shareholder,  his
                  underwriter(s)  or his  Agent(s)  for  use  therein  and  with
                  respect to untrue statements or omissions made by such selling
                  Shareholder or his underwriter(s) in connection with the offer
                  or sale of the  security  and  which are not  contained  in or
                  authorized by the current  prospectus  for such  Registration,
                  and will  reimburse  Butler and each such other person for any
                  legal or any other expenses  reasonably  incurred by Butler or
                  such  other  person  in  connection  with   investigating   or
                  defending against any such loss, claim,  damage,  liability or
                  action.  Any person obligated  hereunder to indemnify and hold
                  harmless another may participate with counsel of its choice in
                  the  defense of any action  relating  thereto,  and,  with the
                  consent of such other  person to the choice of counsel  (which
                  shall not be  unreasonably  withheld),  may assume and control
                  such defense;  provided,  that such person shall not be liable
                  for any  settlement  of any  such  claim  or  action  affected
                  without a consent.


10.3     Limitations on Amount of Vistawall's and Butler's Liability

         Vistawall  and Butler  shall have no  liability  to  Shareholders  (for
         indemnification  or

                                       38

<PAGE>

         otherwise)  hereunder  until  the  total  of  all  Losses  incurred  by
         Shareholders  exceeds in the aggregate  $30,000.  If such Losses exceed
         such amount then Vistawall and/or Butler shall be liable for all Losses
         incurred up to a maximum of $350,000.


10.4     Time Limitations

         If the Closing occurs,  Vistawall and Butler shall have no liability to
         Shareholders  (for   indemnification  or  otherwise)   hereunder  after
         December 31, 1999 unless  Shareholders  notify Butler or Vistawall of a
         claim prior to such date.  The notice shall  indicate the factual basis
         of any  claim(s)  in  reasonable  detail to the  extent  then  known to
         Shareholders.


10.5     Circumstances in Which Limitations Do Not Apply

         (a)   The  limitations  of  Paragraph 10.3 do not apply with respect to
               claims for damages incurred by a Shareholder arising out of any
               willful, fraudulent or intentional breach of any of the Butler or
               Vistawall's representations and warranties or of any covenant or
               obligation, and Butler and Vistawall will be jointly and
               individually liable for all damages incurred by any Shareholder
               at any time with respect to such breaches up to the value of such
               Shareholder's proportionate share of the $7,350,000 of Butler
               stock and cash consideration received for such Shareholder's
               Modu-Line shares but in no event more than $1 million per
               Shareholder.

         (b)   The limitations of Paragraph 10.3, 10.4 and 10.5 (a) do not apply
               with  respect  to  Butler's  indemnification   obligations  under
               Paragraph 10.2 (c).


10.6     Exclusive Remedies

         The remedies provided in this Article X shall be the exclusive remedies
         available to  Shareholders  and all such  remedies  shall be limited to
         monetary  damages only, net of any insurance  proceeds or payments from
         any other  responsible  parties or sources (after deduction of Butler's
         and Vistawall's costs in collecting such amounts and other costs due to
         such  recoveries  such  as  premium   adjustments  and  indemnification
         obligations).


                                   ARTICLE XI
                          PROCEDURE FOR INDEMNIFICATION


11.1     Third Party Claims

                                       39

<PAGE>


               (a)  Promptly  after  receipt  by  an  indemnified   party  under
                    Paragraphs  9.2 or 10.2 of notice of any third  party  claim
                    against it, such indemnified party will, if a claim is to be
                    made  against an  indemnifying  party under such  Paragraph,
                    give   notice  as  provided   in   Paragraph   14.3  to  the
                    indemnifying  party of such claim, but the failure to notify
                    the  indemnifying  party will not relieve  the  indemnifying
                    party of any liability  that it may have to any  indemnified
                    party,  except to the  extent  that the  indemnifying  party
                    demonstrates  that the defense of such action is  prejudiced
                    by the indemnifying party's failure to give such notice.


               (b)  If any claim  referred  to in  Paragraph  11.1(a) is brought
                    against  an  indemnified  party  and it gives  notice to the
                    indemnifying  party of such claim,  the  indemnifying  party
                    will be  entitled to  participate  in such claim and, to the
                    extent that it wishes (unless (i) the indemnifying  party is
                    also a  party  to  such  claim  and  the  indemnified  party
                    determines in good faith that joint  representation would be
                    inappropriate,  or (ii)  the  indemnifying  party  fails  to
                    provide reasonable assurance to the indemnified party of its
                    financial   capacity   to  defend  such  claim  and  provide
                    indemnification  with respect to such claim),  to assume the
                    defense  of such  claim  with  counsel  satisfactory  to the
                    indemnified  party and,  after notice from the  indemnifying
                    party to the indemnified party of its election to assume the
                    defense of such claim, the  indemnifying  party will not, as
                    long as it diligently  conducts  such defense,  be liable to
                    the  indemnified  party for any fees of other counsel or any
                    other expenses with respect to the defense of such claim, in
                    each case subsequently  incurred by the indemnified party in
                    connection  with  the  defense  of such  claim,  other  than
                    reasonable costs of investigation. If the indemnifying party
                    assumes the defense of a claim,  (i) it will be conclusively
                    established  for purposes of this Agreement that the matters
                    alleged in that claim are within the scope of and subject to
                    indemnification;  (ii) no  compromise  or settlement of such
                    claims may be effected by the indemnifying party without the
                    indemnified  party's  consent  (which  consent  shall not be
                    unreasonably  withheld)  unless  (A) there is no  finding or
                    admission  of any  violation  of legal  requirements  or any
                    violation  of the  rights of any person and no effect on any
                    other claims that may be made against the indemnified party,
                    and (B) the sole relief  provided is monetary  damages  that
                    are paid in full by the  indemnifying  party;  and (iii) the
                    indemnified party will have no liability with respect to any
                    compromise or settlement of such claims effected without its
                    consent.  If notice is given to an indemnifying party of the
                    commencement   of  any  claim  with  respect  to  which  the
                    indemnifying party will be entitled to participate,  and the
                    indemnifying  party does not, within ten (10) days after the
                    indemnified  party's  notice  is given,  give  notice to the
                    indemnified  party of its  election to assume the defense of
                    such  claim,  the  indemnifying  party  will be bound by any
                    determination  made  in  such  claim  or any  compromise  or
                    settlement  effected  by  the  indemnified  party  but  such
                    determination  shall not establish  that there is a right to
                    indemnification  which  right  the  indemnified  party  must
                    separately establish.

                                       40

<PAGE>


              (c)   Notwithstanding the foregoing, if an indemnified  party
                    determines in good faith that there is a reasonable
                    probability  that a claim may adversely affect it or its
                    affiliates  other  than as a result  of  monetary   damages
                    for which it would be  entitled to  indemnification,
                    the  indemnified  party may,  by notice to the  indemnifying
                    party, assume the exclusive right to defend,  compromise, or
                    settle such claim,  but the  indemnifying  party will not be
                    bound by any  determination  of a claim so  defended  or any
                    compromise or settlement effected without its consent (which
                    may not be unreasonably withheld).

11.2     Other Claims.

         A claim for  indemnification for any matter not involving a third-party
         claim may be asserted by notice to the party from whom  indemnification
         is sought.  Each party shall make reasonable efforts to promptly notify
         the other with  respect to claims for  indemnification  but  failure to
         notify the indemnifying  party will not relieve the indemnifying  party
         of any liability that it may have to any indemnified  party,  except to
         the  extent  that the  indemnifying  party  demonstrates  by clear  and
         convincing  evidence that it has been  prejudiced  by the  indemnifying
         party's failure to give such notice.

                                   ARTICLE XII
                             SHAREHOLDER AGREEMENTS

12.1     Covenant Not to Compete.

         Modu-Line shall procure  non-compete  agreements from each Shareholder,
         as individuals,  in the form of Exhibit G. Said covenants have not been
         separately bargained for and are incidental to this Agreement.

                                  ARTICLE XIII
                               REGISTRATION RIGHTS

To  provide  all  of  the   Shareholders   (hereinafter  in  this  Article  XIII
"Shareholders" or "Shareholder") the opportunity under certain  circumstances to
sell shares of Butler Common Stock received by the Shareholders  pursuant to the
Merger plus such additional  shares or securities  received for or acquired with
respect to such Butler Common Stock pursuant to any stock split, stock dividend,
merger,   reorganization,   or  similar  transaction  (hereinafter  collectively
referred to as the "Shares"), Butler agrees with the Shareholders as follows:

13.1     Registration

         Within 10 business  days after the Closing  Date,  Butler shall use its
         commercially  reasonable  efforts to cause a registration  statement on
         Form S-3 to be filed with the Securities
                                       41

<PAGE>

         and Exchange Commission (the  "Registration")  under the Securities Act
         of 1933 (the "ACT"). The Registration will cover all of the Shares. The
         offering described in the Registration will be such that the Shares may
         be  publicly  sold within the United  States in  brokers'  transactions
         within  the  meaning  of  Section  4 (4) of the Act or in  transactions
         directly with a market maker at market prices prevailing at the time of
         such sales plus or minus any usual or customary brokers' commissions or
         discounts.  The  Registration  shall  contain  such other  information,
         including  information as to each of the Shareholders,  as Butler deems
         necessary and  appropriate to satisfy  applicable law. Butler shall use
         its commercially  reasonable  efforts to keep the Registration  current
         until (a) one (1) year subsequemnt to the Effective Date, measured from
         the Closing Date, at which time Butler may terminate the Registration.

13.2     Shareholders' Agent

         The  Shareholders  hereby  appoint  Donald P. Carter with full power of
         substitution as Agent for all and each of the Shareholders for purposes
         of this Article XIII.  Butler shall be entitled to rely upon, but shall
         not be obligated  to act upon,  any advice,  instruction,  direction or
         submission of information,  whether written or oral,  submitted by such
         Agent for the purpose of filing and  maintaining the  Registration.  If
         the Agent  resigns  or  otherwise  refuses  to act,  Butler  shall give
         written  notice to each of the  remaining  Shareholders  at their  last
         known  address and Butler's  obligations  hereunder  shall be suspended
         until the Shareholders  appoint in writing another Agent who is willing
         to act.


13.3     Cooperation from Shareholders and Agents

         The  obligations  of Butler to file and  maintain the  Registration  as
         herein  specified are  specifically  subject to the  obligations of the
         Shareholders and their Agents to furnish to the Company such reasonable
         information,  documents, writings, covenants,  agreements or assurances
         which Butler deems  necessary  or desirable to the  fulfillment  of its
         obligations under this Article XIII.


13.4     Expenses

         Expenses   incurred  by  Butler  in  connection  with  the  filing  and
         maintenance of the Registration including registration and filing fees,
         printing  expenses,  fees  and  disbursements  of  Butler  counsel  and
         accountants  and Blue Sky  filing  fees for the filing in the states of
         Texas,  Kentucky,  Indiana,  Illinois,  Kansas,  Missouri and New York,
         North Carolina and California (the  "Specified  States") shall be borne
         by Butler. The Shareholders shall bear all other expenses in connection
         with  the  Registration  or  subsequent  distribution  of  the  Shares,
         including but not limited to, all fees and  disbursements for their own
         respective accountants,  legal counsel, underwriting fees, underwriting
         or brokerage  discounts and commissions,  any expenses of their brokers
         or underwriters that are not borne directly or indirectly by such

                                       42

<PAGE>

         brokers or underwritings, transfer taxes on the sale of the Shares, and
         any Blue Sky filing fees for states other than the Specified States.

13.5     Non-assignability of Registration Rights

         No  registration  rights granted under this Article shall, by operation
         of law or otherwise,  be  transferable  or assignable or subject to any
         encumbrance,  pledge,  hypothecation  or charge of any  nature,  except
         that: (i) in the event of the death of a Shareholder, the Shareholder's
         registration  rights  may  pass,  as  provided  by  law,  to the  legal
         representatives of the Shareholder; and (ii) any Shareholder may assign
         the registration  rights to a revocable trust of which he or she is the
         sole grantor and sole beneficiary.

13.6     Notice Prior to Sale and Permitted Delays

         The  Shareholders  agree that  subsequent to the effective  date of the
         Registration,  all sales  thereunder  shall only be made in  accordance
         with the provisions of a current prospectus or pursuant to an exemption
         from registration  under the Securities Act of 1933, as amended and any
         applicable state Blue Sky law  ("Exemption").  A Shareholder who wishes
         to sell pursuant to an Exemption  shall furnish to Butler prior to such
         sale such information,  and if requested, an opinion of counsel, as may
         be  satisfactory  to Butler to the effect that  Shareholder's  proposed
         transaction  is exempt from  registration  under the  Securities Act of
         1933 as amended  and any  applicable  state Blue Sky Law.  Shareholders
         further agree that each will deliver to Butler ten (10) days in advance
         of any sale pursuant to the Registration, a written notice of intent to
         sell.  The notice  shall  specify the number of shares to be sold,  the
         name and address and telephone  number of the selling  shareholder  and
         the name, address and telephone number of the broker to whom or through
         whom the selling Shareholder intends to deal. Butler shall use its best
         efforts to respond to such notice  immediately upon delivery.  Should a
         favorable response be received or should no response be received within
         the ten (10) day period,  then the selling Shareholder may proceed with
         the  contemplated  sale;  provided,   however,  the  Shareholder  shall
         complete  such sale  within  ten (10)  days  from the date of  Butler's
         advice,  or if such  advice is not  received  within  the ten (10) days
         following the delivery of the Shareholder's  notice, within twenty (20)
         days  from  the date of  delivery  of such  notice.  If  Butler  has an
         objection to the proposed sale by the selling Shareholder,  Butler will
         specify  the  reason  for the  objection  and  deliver  the same to the
         selling  Shareholder  on or before the tenth (10th) day  following  the
         date of delivery of the Shareholder's notice. Upon receipt of notice of
         such  objection,  the  Shareholder  will delay the proposed  sale until
         Butler  rescinds its  objection.  Butler may issue an objection for any
         valid  business or legal  reason;  provided  that Butler agrees that it
         shall use  commercially  reasonable  efforts  to remove  the  objection
         within a  reasonable  period of time,  consistent  with the business or
         legal  reasons  for  the  objection.   All  selling  Shareholders  will
         immediately advise Butler as soon as any sale is consummated.

13.7     Annual Reports

                                       43

<PAGE>

         Butler agrees to timely file all annual and periodic  reports  required
         to be filed by Section 13 or 15(d) of the  Securities  Exchange  Act of
         1934, as amended until the Third Anniversary of the Effective Date.

                                   ARTICLE XIV
                                ENTIRE AGREEMENT
                              COUNTERPARTS, NOTICES

14.1     Entire Agreement

         This  Agreement  and the Plan embody the entire  agreement  between the
         parties and there are no agreements,  understandings,  representations,
         or warranties  between the parties other than those set forth herein or
         herein provided for.

14.2     Counterparts

         Any  number  of  counterparts  of this  Agreement  and the  Plan may be
         executed  and each such  counterpart  shall be deemed to be an original
         instrument but all such counterparts  together shall constitute but one
         instrument.

14.3     Notices

         Any  notice or other  communication  under or in  connection  with this
         Agreement  or the Plan  shall be in writing  and,  if to  Vistawall  or
         Butler,  shall  be  addressed,  to  Richard  O.  Ballentine,  Corporate
         Secretary,  c/o Butler Manufacturing Company, BMA Tower, P. 0. Box 917,
         Kansas City,  Missouri 64141,  and shall be effective when delivered to
         that address; and, if to Shareholders,  shall be addressed to Donald P.
         Carter,  434 Stable Lane, Lake Forest,  Illinois 60645,  with a copy to
         Attorney Konrad T.  Tuchscherer,  Tuchscherer & Smith,  S.C., P. O. Box
         1185, Wausau,  Wisconsin 54402-1185,  and shall be effective as to each
         Shareholder  when  delivered  to those  addresses;  or,  in the case of
         notices or communications to either  Constituent  Corporation,  to such
         other address as it shall have designated by notice to the other.

14.4     Public Announcement

         Any public  announcement  or  similar  publicity  with  respect to this
         Agreement  or the Plan will be issued,  if at all,  at such time and in
         such  manner  as  the  parties  so  agree.   Unless   consented  to  by
         Shareholders in advance or required by NYSE or SEC Regulations, all the
         parties shall cause this Agreement to be kept strictly confidential and
         may not  make any  disclosure  of this  Agreement  to any  person.  The
         parties  will  consult  with each other  concerning  the means by which
         Modu-Line's  employees,  customers  and  suppliers  and  others  having
         dealings  with   Modu-Line   will  be  informed  of  the   contemplated
         transactions,  and  Vistawall  and/or  Butler will have the right to be
         present for any such communication.

                                       44

<PAGE>

                                   ARTICLE XV
                                   ARBITRATION

15.1     Settlement of Disputes

         If the  parties  hereto are unable to resolve  any  dispute by amicable
         negotiation,  such  dispute  shall be settled  in the City of  Chicago,
         Illinois by binding  arbitration  in  accordance  with the rules of the
         American  Arbitration  Association  from time to time in force by three
         arbitrators.  The Shareholders as a group shall appoint one arbitrator,
         and Vistawall/Butler shall appoint one arbitrator.  The two arbitrators
         thus appointed shall choose the third arbitrator,  who shall act as the
         presiding arbitrator.  The parties hereto each hereby irrevocably waive
         the right to submit such  disputes,  or to appeal,  to any court.  This
         submission   and   agreement   to  arbitrate   shall  be   specifically
         enforceable.  Any award  rendered by an  arbitration  tribunal shall be
         accompanied  by findings of fact and  conclusions  of law and the award
         shall be final and  binding on the parties  and the  judgment  upon the
         award rendered may be entered in any court having jurisdiction thereof.
         The  arbitrators  may find  that the  claim  or  defense  of a party is
         frivolous.  In that case, all costs and expenses,  including reasonable
         attorney fees, shall be assessed against that party.


IN WITNESS  WHEREOF,  this  Agreement and the Plan of Merger have been signed on
behalf of Vistawall  and Butler by its  President or one of its Vice  Presidents
and by its Secretary or an Assistant Secretary and on behalf of Modu-Line by its
President and by its Secretary or an Assistant Secretary, under their respective
corporate seals,  and by each  Shareholder  individually as of the date and year
first above written.



Vistawall Windows, Inc. ("Vistawall")  Modu-Line Windows, Inc. ("Modu-Line")


- -------------------------------        -----------------------------------------
President                              President

         Attest:                               Attest:
                  -------------------                   ------------------------
                  Secretary                             Secretary


Butler Manufacturing Company ("Butler")  Shareholders

                                       45

<PAGE>


                                     Donald P. Carter Trust

_______________________________      By -------------------------------
President                            Donald P. Carter Trustee

     Attest:                         ----------------------------------
              ___________________    C. Craig Caudill
              Secretary
                                     ----------------------------------
                                     Robert McFarland

                                     ----------------------------------
                                     Frank A. Rossi

                                     ----------------------------------
                                     William D. Andrews

                                     Michael J. Lane Trust

                                     By_______________________________
                                     Michael J. Lane Trustee

                                     ---------------------------------
                                     Ted E. Gaty, III

                                     ---------------------------------
                                     Annabelle T. Gaty

Donald P. Carter hereby guarantees, without limitation, the obligations of the
Donald P. Carter Trust under this Agreement.

                                      -----------------------------------
                                      Donald P. Carter



Michael J. Lane hereby guarantees, without limitation, the obligations of the
Michael J. Lane Trust under this Agreement.

                                      -----------------------------------
                                      Michael J. Lane



                                       46


<PAGE>
                                                                     Exhibit 4.4
THIS CERTIFICATE IS TRANSFERABLE IN                              SEE REVERSE FOR
KANSAS CITY, MO OR NEW YORK, N.Y.                            CERTAIN DEFINITIONS

NUMBER                                                                    SHARES

C                                                                   COMMON STOCK
BUTLER                            (LOGO)                            NO PAR VALUE



INCORPORATED UNDER THE LAWS                                   CUSIP  123655 10 2
OF THE STATE OF DELAWARE


                          BUTLER MANUFACTURING COMPANY

THIS CERTIFIES THAT



IS THE OWNER OF

              FULLY PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK


Butler Manufacturing Company transferable on the books of the Corporation by the
holder hereof in person or by duly  authorized  attorney upon  surrender of this
certificate   properly   endorsed.   This   certificate   is  not  valid  unless
countersigned  and  registered by the Transfer  Agent or Registrar.  Witness the
facsimile  seal of the  corporation  and the  facsimile  signatures  of its duly
authorized officers.

Dated:


    CHAIRMAN OF THE BOARD



         (CORPORATE SEAL)          COUNTERSIGNED AND REGISTERED:
                                     UMB BANK, N.A.
                                     KANSAS CITY, MISSOURI
                                     TRANSFER AGENT AND REGISTRAR


SECRETARY                                                   AUTHORIZED SIGNATURE



<PAGE>
                          BUTLER MANUFACTURING COMPANY

         The Corporation  will furnish without charge to each shareholder who so
requests,   a  statement  of  the  preferences,   qualifications,   limitations,
restrictions and the special or relative rights in respect of the shares of each
class of stock of the  Corporation.  Such request may be made to the Corporation
or the transfer agent.

         Keep  this  certificate  in a safe  place.  If it is  lost,  stolen  or
destroyed, the Corporation may require a bond of indemnity as a condition to the
issuance of a replacement certificate.

         This  certificate  also  evidences  and entitles  the holder  hereof to
certain rights as set forth in a Rights Agreement  between Butler  Manufacturing
Company  and UMB  Bank,  N.A.  dated  as of  September  20,  1986  (the  "Rights
Agreement"),  the terms of which are hereby incorporated herein by reference and
a copy  of  which  is on file  at the  principal  executive  offices  of  Butler
Manufacturing Company.  Under certain circumstances,  as set forth in the Rights
Agreement,  such Rights will be evidenced by separate  certificates  and will no
longer be evidenced by this certificate.  Butler Manufacturing Company will mail
to the holder of this  certificate a copy of a Rights  Agreement  without charge
after receipt of a written request therefor. Under certain circumstances, as set
forth in the  Rights  Agreement,  Rights  issued to any  Person  who  becomes an
Acquiring Person (as defined in the Rights Agreement) may become null and void.

         The following  abbreviations,  when used in the inscription on the face
of this certificate,  shall be construed as though they were written out in full
according to applicable laws or regulations:

TEN COM - as tenants in common
TEN ENT - as tenants by the entireties
JT TEN  - as joint tenants with right of survivorship
          and not as tenents in common
TOD     - transfer on death direction in event of owner's
          death, to person named on face
UNIF GIFT MIN ACT - __________ as Cutsodian for _____________
                      (Cust)                       (Minor)
                       Under Uniform Gift to Minors
                              Act _________________
                                     (State)
UNIF TRAN MIN ACT - __________ as Cutsodian for _____________
                      (Cust)                       (Minor)
                        Under Uniform Transfer to Minors
                              Act _________________
                                     (State)

    Additional abbreviations may also be used though not in the above list.
<PAGE>
For value received, __________________ hereby sell assign and transfer unto

                     PLEASE INSERT SOCIAL SECURITY OR OTHER
                         IDENTIFYING NUMBER OF ASSIGNEE

                           -------------------------
                           |                       |
                           |                       |
                           -------------------------

- --------------------------------------------------------------------------------
  (PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE OF ASSIGNEE)

- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------

- ------------------------------------------------------------------------- shares
of the  capital  stock  represented  by the  within  Certificate  and do  hereby
irrevocably  constitute  and appoint  Attorney to transfer the said stock on the
books of the within named  Corporation  with full power of  substitution  in the
premises.

Dated
   NOTICE:                                  X-----------------------------------
THE SIGNATURE(S) TO                          (SIGNATURE)
THE ASSIGNMENT MUST
CORRESPOND WITH THE
NAME)S) AS WRITTEN
UPON THE FACE OF THE
CERTIFICATE IN EVERY
PARTICULAR WITHOUT
ALTERATION OR EN-
LARGEMENT OR ANY
CHANGE WHATEVER.                             X----------------------------------
                                              (SIGNATURE)



                                            THE SIGNATURE(S)SHOULD BE GUARANTEED
                                            BY AN ELIGIBLE  GUARANTOR AS DEFINED
                                            IN RULE 17AD-15 UNDER THE SECURITIES
                                            EXCHANGE ACT OF 1934, AS AMENDED.


                                            SIGNATURE(S) GUARANTEED BY:





      





<PAGE> 
                                                            Exhibit 5
                               LATHROP & GAGE L.C.
                                   LAW OFFICES

2345 Grand Boulevard                                     1050/40 Corporate Woods
Suite 2500                                             9401 Indian Creek Parkway
Kansas City, Missouri 64108-2684                Overland Park, Kansas 66210-2007
816-292-2000, Fax 816-292-2001                    816-292-2000, Fax 913-451-0875
                                 JOHN H. CALVERT
                                  816-460-5807
              [email protected] or [email protected]

                                  June 20, 1997

Butler Manufacturing Company
BMA Tower, Penn Valley Park
P.O. Box 419917
Kansas City, Missouri 64141

Ladies and Gentlemen:

         This relates to the  legality of the 191,777  shares of Common Stock of
the Company (the  "Shares") to be offered by certain  Selling  Shareholders  who
received  the same  pursuant to a certain  Merger  Agreement  among the Company,
Modu-Line Windows,  Inc., Vistawall Windows,  Inc. and the Selling Shareholders.
You are seeking to register  the  offering and sale of the Shares by the Selling
Shareholders with the Securities and Exchange Commission under the provisions of
the  Securities  Act  of  1933,  as  amended  on  Form  S-3  (the  "Registration
Statement").

         We have acted as counsel to the Company in  connection  with the Merger
Agreement,  the incorporation of the Company,  the authorization and issuance of
the Company's  Common Stock,  including  theShares and the  registration  of the
Shares under the Registration Statement.

     In  rendering  the opinions  hereinafter  expressed,  we have  examined and
relied  upon  such  records,  documents,  instruments,  certificates  of  public
officials,  and  certificates  of  officers  of the  Company,  as we have deemed
appropriate,  including the  Registration  Statement,  the Merger  Agreement and
copies of the Articles of Incorporation and Bylaws of the Company.

         Our opinions  below are limited to the matters  expressly  set forth in
this opinion  letter,  and no opinion is to be implied or may be inferred beyond
the matters expressly so stated.

         We disclaim any  obligation  to update this  opinion  letter for events
occurring after the date of this opinion letter.

         Our  opinions  below are limited to the effect of the laws of the state
of Missouri,  the Delaware  General  Corporation Law and the Federal laws of the
United  States.  We express no opinion with respect to the effect of the laws of
any other  jurisdiction on the  transactions  contemplated  by the  Registration
Statement or the prospectus under the Registration Statement.


<PAGE>
June 20, 1997
Page 2


         Based on the  foregoing,  it is our  opinion  that the Shares have been
legally issued, are validly outstanding, and are fully paid and non-assessable.

     We  hereby  consent  to  be  named,  in  the  Registration  Statement,  and
amendments  thereto,  by which the Shares are registered with the Securities and
Exchange  Commission,  and in any  prospectus  relating to the the  Registration
Statement,  as counsel for the  Company who has passed upon the  legality of the
Shares registered  thereby.  We further consent to the filing of this opinion as
an exhibit to the Registration Statement.


                                Very truly yours,

                                LATHROP & GAGE L.C.

                                s/John H. Calvert
                            By:
                                 John H. Calvert



<PAGE>
                                                                    Exhibit 23.1




                        CONSENT OF KPMG PEAT MARWICK LLP

The Board of Directors
Butler Manufacturing Company

         We  consent  to the  incorporation  by  reference  in the  registration
statement  on Form S-3 of  Butler  Manufacturing  Company  of our  report  dated
February  3,  1997,  relating  to the  consolidated  balance  sheets  of  Butler
Manufacturing  Company as of December 31, 1996,  and December 31, 1995,  and the
related consolidated statements of earnings, stockholders' equity and cash flows
for each of the three fiscal years ended December 31, 1996, which report appears
in the 1996 Annual Report on Form 10-K of Butler  Manufacturing  Company, and to
the reference to our firm under the heading "Experts" in the prospectus.



                             s/KPMG Peat Marwick LLP

                               KPMG Peat Marwick LLP









<PAGE>
                                                                    Exhibit 24.1
                                CERTIFIED COPY OF
                           RESOLUTIONS ADOPTED BY THE
                              BOARD OF DIRECTORS OF
                          BUTLER MANUFACTURING COMPANY

           The  undersigned,   Secretary  of  Butler  Manufacturing  Company,  a
corporation  organized and existing under the laws of the State of Delaware (the
"Company"), does hereby certify that on June 17, 1997, a meeting of the Board of
Directors  of the  Company  was held at the offices of the Company at BMA Tower,
Penn  Valley  Park,  Kansas  City,  Missouri,  that  such  meeting  was  held in
accordance  with  the  Bylaws,   Certificate  of  Incorporation  and  applicable
corporate  laws of the State of  Delaware,  that the same was duly  noticed  and
properly  convened,  that at all times a quorum of the elected  directors of the
Company were present,  that during such meeting the following  resolutions  were
duly and unanimously adopted by the Board of Directors of the Company,  and that
the same are still in effect and have not been  rescinded  or modified as of the
date hereof:

                    "BE IT  RESOLVED,  that  Robert H.  West,  John H.  Holland,
           Richard O.  Ballentine and John Huey and each of them, are authorized
           to sign a registration statement of the Company on Form S-3 under the
           Securities  Act of 1933 with  respect to up to 225,000  shares of the
           Company's  Common  Stock  (the  "Shares")  to be  offered  by  former
           shareholders (the "Selling  Stockholders") of Modu-Line Windows, Inc.
           ("Modu-Line") who acquired the Shares pursuant to that certain Merger
           Agreement dated June 4, 1997, among the Company, Modu-Line, Vistawall
           Windows,  Inc. and the Selling  Stockholders  (the "Agreement") to be
           filed on or about June 20, 1997, and any and all  amendments  thereto
           (the  "Registration  Statement")  and  any  and  all  reports  to  be
           subsequently filed with the Securities and Exchange  Commission under
           the  Securities  Act of 1933  and  Securities  Exchange  Act of 1934,
           including reports on Form 10-K, 11-K, 10-Q, and 8-K, on behalf of the
           principal executive officer,  principal accounting officer, principal
           financial officer and directors of the Company pursuant to a power or
           powers of attorney duly executed by the persons holding such offices;

                    BE IT FURTHER RESOLVED, that it is desirable and in the best
           interest  of  the  Company  that  its   securities  be  qualified  or
           registered for sale in various states where necessary;  that the Vice
           President and General Counsel and the Vice President - Finance,  with
           or without the  Secretary or any  Assistant  Secretary of the Company
           hereby are  authorized to determine  the states in which  appropriate
           action  shall be taken to  qualify or  register  for sale all or such
           part of the securities of this  corporation as said officers may deem
           advisable; that said officers are hereby authorized to perform in the
           name and on behalf of the  Company  any and all such acts as they may
           deem  necessary or  advisable in order to comply with the  applicable
           laws of any such states, and in connection therewith,  to execute and
           file all requisite papers and documents,  including,  but not limited
           to, applications,  reports,  surety bonds,  irrevocable consents, and
           appointments  of attorneys for service of process;  and the execution
           by such  officers  of any such paper or document or the doing by them
           of  any  act  in  connection   with  the   foregoing   matters  shall
           conclusively  establish their authority therefor from the Company and
           the  approval  and  ratification  by the  Company  of the  papers and
           documents so executed and the action so taken;

<PAGE>
                    BE IT FURTHER RESOLVED, that there is hereby adopted the 
          form of any and all
                                    1

           resolutions required by any such authority or authorities to be filed
           in  connection  with such papers and  documents if, in the opinion of
           any officer of the Company  executing the same,  the adoption of such
           resolutions  is necessary or advisable.  The Secretary of the Company
           is hereby directed to attach to the minutes of this meeting copies of
           such resolutions,  which resolutions shall be deemed to be adopted by
           this Board of Directors and  incorporated  in these minutes as a part
           of this resolution, with the same force and effect as if presented at
           this  meeting;  and the  Secretary  of the Company is  empowered  and
           authorized to certify to any such  jurisdiction that any such form of
           resolution has been adopted by the Board at this meeting;

                    BE IT FURTHER RESOLVED,  that the Vice President and General
           Counsel or Vice President Finance,  with or without the Secretary and
           any Assistant  Secretary,  of the Company be, and each of them hereby
           is,  authorized to act in their capacities as officers of the Company
           for the purposes of executing and filing on behalf and in the name of
           the Company any supplements to said Registration  Statement  required
           to  be  filed  by  the  Company  with  the  Securities  and  Exchange
           Commission for the purpose of registering such Shares under the Act;

                    BE IT FURTHER  RESOLVED,  that John H.  Calvert of Lathrop &
           Gage L.C.,  and he hereby is,  appointed  as the agent of the Company
           upon whom  service of process may be made and to whom  correspondence
           may  be  directed  by  the  Securities  and  Exchange  Commission  in
           connection with the Registration Statement ("Agent for Service");

                    BE IT FURTHER  RESOLVED,  that the said Agent for Service is
           hereby  authorized  to respond on behalf of the  Company to  comments
           received from the SEC and any state securities regulatory authorities
           and to request acceleration of the registration statement;

                    BE IT FURTHER RESOLVED,  that the Vice President and General
           Counsel and Vice  President-  Finance,  with or without the Secretary
           and any  Assistant  Secretary,  of the  Company  be and  each of them
           hereby is, with  respect to the  Registration  Statement,  and in the
           name and on behalf of the Company, authorized to:

               (a)    Make application pursuant to the Rules and Regulations 
                      promulgated under the Act to amend the Registration 
                      Statement;

               (b)    Withdraw the Registration Statement or any amendments or
                      exhibits thereto;

               (c)    Prepare and file amendments to the Registration Statement;

               (d)    To cause the Shares to be issued and delivered; and

<PAGE>
                    BE IT  FURTHER  RESOLVED,  that the the Vice  President  and
           General  Counsel and Vice  President - Finance  are, and each of them
           hereby is,  authorized  and  directed to pay any and all expenses and
           fees  arising in  connection  with the  issuance of the  Shares,  the
           registration  of  the  Shares  under  the  Act,  and  the  filing  of
           applications  under the  securities  or blue sky laws of the  various
           states and  jurisdictions  of the United  States,  and  otherwise  in
           connection with these resolutions.

                                        2


           IN WITNESS  WHEREOF,  I have  hereunto  set my hand and  affixed  the
official seal of Butler Manufacturing Company this 17 day of June, 1997.


                                           BUTLER MANUFACTURING COMPANY


                                              s/Richard O. Ballentine
                                          By_____________________________
                                              Richard O. Ballentine, Secretary




                                        3





<PAGE>
                                                                    Exhibit 24.2
                                POWER OF ATTORNEY
                          FOR OFFICERS AND DIRECTORS OF
                          BUTLER MANUFACTURING COMPANY
                         FOR S-3 REGISTRATION STATEMENT

         KNOW  ALL MEN BY THESE  PRESENTS,  that  each  person  whose  signature
appears below constitutes and appoints Richard O. Ballentine, John J Holland and
John  Huey,  and each of them,  his/her  true and lawful  attorneys-in-fact  and
agents, with full power of substitution and re-substitution,  for him/her and in
his/her name, place and stead, in any and all capacities, to sign a registration
statement  on Form S-3  under the  Securities  Act of 1933 for the sale of up to
225,000 shares of the Common Stock of Butler Manufacturing Company by the former
stockholders of Modu-Line Windows,  Inc. (the "Registration  Statement") and any
and all amendments  (including  post effective  amendments) to the  Registration
Statement,  and to file the same, with all exhibits thereto, and other documents
in connection therewith,  with the Securities and Exchange Commission,  granting
unto  said  attorneys-in-fact  and  agents,  and each of them,  full  power  and
authority to do and perform each and every act and thing  requisite or necessary
to be done in and about the premises, as fully to all intents and purposes as he
might or could do in  person,  hereby  ratifying  and  confirming  all that said
attorneys-in-fact  and  agents  or any of them,  or their or his  substitute  or
substitutes, may lawfully do or cause to be done by virtue hereof.

         Date:   June 17, 1997
                                                    s/ Harold G. Bernthal
                                        Signature:________________________
                                        Name: Harold G. Bernthal




<PAGE>



                                POWER OF ATTORNEY
                          FOR OFFICERS AND DIRECTORS OF
                          BUTLER MANUFACTURING COMPANY
                         FOR S-3 REGISTRATION STATEMENT

         KNOW  ALL MEN BY THESE  PRESENTS,  that  each  person  whose  signature
appears below constitutes and appoints Richard O. Ballentine, John J Holland and
John  Huey,  and each of them,  his/her  true and lawful  attorneys-in-fact  and
agents, with full power of substitution and re-substitution,  for him/her and in
his/her name, place and stead, in any and all capacities, to sign a registration
statement  on Form S-3  under the  Securities  Act of 1933 for the sale of up to
225,000 shares of the Common Stock of Butler Manufacturing Company by the former
stockholders of Modu-Line Windows,  Inc. (the "Registration  Statement") and any
and all amendments  (including  post effective  amendments) to the  Registration
Statement,  and to file the same, with all exhibits thereto, and other documents
in connection therewith,  with the Securities and Exchange Commission,  granting
unto  said  attorneys-in-fact  and  agents,  and each of them,  full  power  and
authority to do and perform each and every act and thing  requisite or necessary
to be done in and about the premises, as fully to all intents and purposes as he
might or could do in  person,  hereby  ratifying  and  confirming  all that said
attorneys-in-fact  and  agents  or any of them,  or their or his  substitute  or
substitutes, may lawfully do or cause to be done by virtue hereof.

         Date:   June 17, 1997
                                                      s/Robert E. Cook
                                         Signature:________________________
                                         Name: Robert E. Cook


<PAGE>



                               POWER OF ATTORNEY
                         FOR OFFICERS AND DIRECTORS OF
                          BUTLER MANUFACTURING COMPANY
                         FOR S-3 REGISTRATION STATEMENT

         KNOW  ALL MEN BY THESE  PRESENTS,  that  each  person  whose  signature
appears below constitutes and appoints Richard O. Ballentine, John J Holland and
John  Huey,  and each of them,  his/her  true and lawful  attorneys-in-fact  and
agents, with full power of substitution and re-substitution,  for him/her and in
his/her name, place and stead, in any and all capacities, to sign a registration
statement  on Form S-3  under the  Securities  Act of 1933 for the sale of up to
225,000 shares of the Common Stock of Butler Manufacturing Company by the former
stockholders of Modu-Line Windows,  Inc. (the "Registration  Statement") and any
and all amendments  (including  post effective  amendments) to the  Registration
Statement,  and to file the same, with all exhibits thereto, and other documents
in connection therewith,  with the Securities and Exchange Commission,  granting
unto  said  attorneys-in-fact  and  agents,  and each of them,  full  power  and
authority to do and perform each and every act and thing  requisite or necessary
to be done in and about the premises, as fully to all intents and purposes as he
might or could do in  person,  hereby  ratifying  and  confirming  all that said
attorneys-in-fact  and  agents  or any of them,  or their or his  substitute  or
substitutes, may lawfully do or cause to be done by virtue hereof.

         Date:   June 17, 1997
                                                      s/Alan M. Hallene
                                          Signature:________________________
                                          Name: Alan M. Hallene



<PAGE>



                                POWER OF ATTORNEY
                          FOR OFFICERS AND DIRECTORS OF
                          BUTLER MANUFACTURING COMPANY
                         FOR S-3 REGISTRATION STATEMENT

         KNOW  ALL MEN BY THESE  PRESENTS,  that  each  person  whose  signature
appears below constitutes and appoints Richard O. Ballentine, John J Holland and
John  Huey,  and each of them,  his/her  true and lawful  attorneys-in-fact  and
agents, with full power of substitution and re-substitution,  for him/her and in
his/her name, place and stead, in any and all capacities, to sign a registration
statement  on Form S-3  under the  Securities  Act of 1933 for the sale of up to
225,000 shares of the Common Stock of Butler Manufacturing Company by the former
stockholders of Modu-Line Windows,  Inc. (the "Registration  Statement") and any
and all amendments  (including  post effective  amendments) to the  Registration
Statement,  and to file the same, with all exhibits thereto, and other documents
in connection therewith,  with the Securities and Exchange Commission,  granting
unto  said  attorneys-in-fact  and  agents,  and each of them,  full  power  and
authority to do and perform each and every act and thing  requisite or necessary
to be done in and about the premises, as fully to all intents and purposes as he
might or could do in  person,  hereby  ratifying  and  confirming  all that said
attorneys-in-fact  and  agents  or any of them,  or their or his  substitute  or
substitutes, may lawfully do or cause to be done by virtue hereof.

         Date:   June 17, 1997
                                                   s/C.L. William Haw
                                       Signature:________________________
                                       Name: C.L. William Haw



<PAGE>



                                POWER OF ATTORNEY
                          FOR OFFICERS AND DIRECTORS OF
                          BUTLER MANUFACTURING COMPANY
                         FOR S-3 REGISTRATION STATEMENT

         KNOW  ALL MEN BY THESE  PRESENTS,  that  each  person  whose  signature
appears below constitutes and appoints Richard O. Ballentine, John J Holland and
John  Huey,  and each of them,  his/her  true and lawful  attorneys-in-fact  and
agents, with full power of substitution and re-substitution,  for him/her and in
his/her name, place and stead, in any and all capacities, to sign a registration
statement  on Form S-3  under the  Securities  Act of 1933 for the sale of up to
225,000 shares of the Common Stock of Butler Manufacturing Company by the former
stockholders of Modu-Line Windows,  Inc. (the "Registration  Statement") and any
and all amendments  (including  post effective  amendments) to the  Registration
Statement,  and to file the same, with all exhibits thereto, and other documents
in connection therewith,  with the Securities and Exchange Commission,  granting
unto  said  attorneys-in-fact  and  agents,  and each of them,  full  power  and
authority to do and perform each and every act and thing  requisite or necessary
to be done in and about the premises, as fully to all intents and purposes as he
might or could do in  person,  hereby  ratifying  and  confirming  all that said
attorneys-in-fact  and  agents  or any of them,  or their or his  substitute  or
substitutes, may lawfully do or cause to be done by virtue hereof.

         Date:   June 17, 1997
                                                    s/Robert J. Novello
                                       Signature:________________________
                                       Name: Robert J. Novello



<PAGE>



                                POWER OF ATTORNEY
                          FOR OFFICERS AND DIRECTORS OF
                          BUTLER MANUFACTURING COMPANY
                         FOR S-3 REGISTRATION STATEMENT

         KNOW  ALL MEN BY THESE  PRESENTS,  that  each  person  whose  signature
appears below constitutes and appoints Richard O. Ballentine, John J Holland and
John  Huey,  and each of them,  his/her  true and lawful  attorneys-in-fact  and
agents, with full power of substitution and re-substitution,  for him/her and in
his/her name, place and stead, in any and all capacities, to sign a registration
statement  on Form S-3  under the  Securities  Act of 1933 for the sale of up to
225,000 shares of the Common Stock of Butler Manufacturing Company by the former
stockholders of Modu-Line Windows,  Inc. (the "Registration  Statement") and any
and all amendments  (including  post effective  amendments) to the  Registration
Statement,  and to file the same, with all exhibits thereto, and other documents
in connection therewith,  with the Securities and Exchange Commission,  granting
unto  said  attorneys-in-fact  and  agents,  and each of them,  full  power  and
authority to do and perform each and every act and thing  requisite or necessary
to be done in and about the premises, as fully to all intents and purposes as he
might or could do in  person,  hereby  ratifying  and  confirming  all that said
attorneys-in-fact  and  agents  or any of them,  or their or his  substitute  or
substitutes, may lawfully do or cause to be done by virtue hereof.

         Date:   June 17, 1997
                                                   s/George E. Powell, Jr.
                                       Signature:________________________
                                       Name: George E. Powell, Jr.


<PAGE>



                                POWER OF ATTORNEY
                          FOR OFFICERS AND DIRECTORS OF
                          BUTLER MANUFACTURING COMPANY
                         FOR S-3 REGISTRATION STATEMENT

         KNOW  ALL MEN BY THESE  PRESENTS,  that  each  person  whose  signature
appears below constitutes and appoints Richard O. Ballentine, John J Holland and
John  Huey,  and each of them,  his/her  true and lawful  attorneys-in-fact  and
agents, with full power of substitution and re-substitution,  for him/her and in
his/her name, place and stead, in any and all capacities, to sign a registration
statement  on Form S-3  under the  Securities  Act of 1933 for the sale of up to
225,000 shares of the Common Stock of Butler Manufacturing Company by the former
stockholders of Modu-Line Windows,  Inc. (the "Registration  Statement") and any
and all amendments  (including  post effective  amendments) to the  Registration
Statement,  and to file the same, with all exhibits thereto, and other documents
in connection therewith,  with the Securities and Exchange Commission,  granting
unto  said  attorneys-in-fact  and  agents,  and each of them,  full  power  and
authority to do and perform each and every act and thing  requisite or necessary
to be done in and about the premises, as fully to all intents and purposes as he
might or could do in  person,  hereby  ratifying  and  confirming  all that said
attorneys-in-fact  and  agents  or any of them,  or their or his  substitute  or
substitutes, may lawfully do or cause to be done by virtue hereof.

         Date:   June 17, 1997
                                                    s/Robert J. Reintjes, Sr.
                                        Signature:________________________
                                        Name: Robert J. Reintjes, Sr.



<PAGE>


                                POWER OF ATTORNEY
                          FOR OFFICERS AND DIRECTORS OF
                          BUTLER MANUFACTURING COMPANY
                         FOR S-3 REGISTRATION STATEMENT

         KNOW  ALL MEN BY THESE  PRESENTS,  that  each  person  whose  signature
appears below constitutes and appoints Richard O. Ballentine, John J Holland and
John  Huey,  and each of them,  his/her  true and lawful  attorneys-in-fact  and
agents, with full power of substitution and re-substitution,  for him/her and in
his/her name, place and stead, in any and all capacities, to sign a registration
statement  on Form S-3  under the  Securities  Act of 1933 for the sale of up to
225,000 shares of the Common Stock of Butler Manufacturing Company by the former
stockholders of Modu-Line Windows,  Inc. (the "Registration  Statement") and any
and all amendments  (including  post effective  amendments) to the  Registration
Statement,  and to file the same, with all exhibits thereto, and other documents
in connection therewith,  with the Securities and Exchange Commission,  granting
unto  said  attorneys-in-fact  and  agents,  and each of them,  full  power  and
authority to do and perform each and every act and thing  requisite or necessary
to be done in and about the premises, as fully to all intents and purposes as he
might or could do in  person,  hereby  ratifying  and  confirming  all that said
attorneys-in-fact  and  agents  or any of them,  or their or his  substitute  or
substitutes, may lawfully do or cause to be done by virtue hereof.

         Date:   June 17, 1997
                                                     s/Judith A. Rogala
                                        Signature:________________________
                                        Name: Judith A. Rogala

<PAGE>



                                POWER OF ATTORNEY
                          FOR OFFICERS AND DIRECTORS OF
                          BUTLER MANUFACTURING COMPANY
                         FOR S-3 REGISTRATION STATEMENT

         KNOW  ALL MEN BY THESE  PRESENTS,  that  each  person  whose  signature
appears below constitutes and appoints Richard O. Ballentine, John J Holland and
John  Huey,  and each of them,  his/her  true and lawful  attorneys-in-fact  and
agents, with full power of substitution and re-substitution,  for him/her and in
his/her name, place and stead, in any and all capacities, to sign a registration
statement  on Form S-3  under the  Securities  Act of 1933 for the sale of up to
225,000 shares of the Common Stock of Butler Manufacturing Company by the former
stockholders of Modu-Line Windows,  Inc. (the "Registration  Statement") and any
and all amendments  (including  post effective  amendments) to the  Registration
Statement,  and to file the same, with all exhibits thereto, and other documents
in connection therewith,  with the Securities and Exchange Commission,  granting
unto  said  attorneys-in-fact  and  agents,  and each of them,  full  power  and
authority to do and perform each and every act and thing  requisite or necessary
to be done in and about the premises, as fully to all intents and purposes as he
might or could do in  person,  hereby  ratifying  and  confirming  all that said
attorneys-in-fact  and  agents  or any of them,  or their or his  substitute  or
substitutes, may lawfully do or cause to be done by virtue hereof.

         Date:   June 17, 1997
                                                s/Donald H. Pratt 
                                     Signature:________________________
                                        Name: Donald H. Pratt


<PAGE>


                                POWER OF ATTORNEY
                          FOR OFFICERS AND DIRECTORS OF
                          BUTLER MANUFACTURING COMPANY
                         FOR S-3 REGISTRATION STATEMENT

         KNOW  ALL MEN BY THESE  PRESENTS,  that  each  person  whose  signature
appears below constitutes and appoints Richard O. Ballentine, John J Holland and
John  Huey,  and each of them,  his/her  true and lawful  attorneys-in-fact  and
agents, with full power of substitution and re-substitution,  for him/her and in
his/her name, place and stead, in any and all capacities, to sign a registration
statement  on Form S-3  under the  Securities  Act of 1933 for the sale of up to
225,000 shares of the Common Stock of Butler Manufacturing Company by the former
stockholders of Modu-Line Windows,  Inc. (the "Registration  Statement") and any
and all amendments  (including  post effective  amendments) to the  Registration
Statement,  and to file the same, with all exhibits thereto, and other documents
in connection therewith,  with the Securities and Exchange Commission,  granting
unto  said  attorneys-in-fact  and  agents,  and each of them,  full  power  and
authority to do and perform each and every act and thing  requisite or necessary
to be done in and about the premises, as fully to all intents and purposes as he
might or could do in  person,  hereby  ratifying  and  confirming  all that said
attorneys-in-fact  and  agents  or any of them,  or their or his  substitute  or
substitutes, may lawfully do or cause to be done by virtue hereof.

         Date:   June 17, 1997
                                                     s/Robert H. West
                                        Signature:________________________
                                        Name: Robert H. West











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