ARMSTRONG WORLD INDUSTRIES INC
8-K, 2000-05-12
PLASTICS PRODUCTS, NEC
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<PAGE>

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D. C. 20549


                                    FORM 8-K

                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934


                                 April 27, 2000
                                 --------------
                Date of Report (Date of earliest event reported)


                        ARMSTRONG WORLD INDUSTRIES, INC.
                        --------------------------------
             (Exact Name of Registrant as Specified in its Charter)


       Pennsylvania                   1-2116                   23-0366390
       ------------------------------------------------------------------
  (State of Organization)    (Commission File Number)      (I.R.S. Employer
                                                          Identification No.)


               2500 Columbia Avenue Lancaster, Pennsylvania 17603
         ---------------------------------------------------------------
         (Address of Registrant's Principal Executive Office)(Zip Code)


                                 (717) 397-0611
                                 ---------------
              (Registrant's telephone number, including area code)
<PAGE>

ITEM 2.  ACQUISITION OR DISPOSITION OF ASSETS.
- ----------------------------------------------

     On April 27, 2000, Armstrong World Industries, Inc. ("Armstrong") entered
into an agreement to sell all of the entities, assets and certain liabilities
comprising its Armstrong Insulation Products business ("AIP") to Orion
Einundvierzigste Beteiligungsgesellschaft Mbh ("Orion"), a subsidiary of the
Dutch investment firm Gilde Investment Management N.V. for $280 million, subject
to closing adjustments. The consideration includes approximately $250 million
cash and $30 million in notes receivable. The notes receivable will be
discounted to their fair market value of approximately $15.6 million. The
consideration is primarily denominated in Euros and is subject to currency
translation adjustments until closing. The transaction is expected to close by
late May and result in an after tax gain of approximately $100 million, or $2.48
per share in Armstrong's second quarter.

     AIP manufactures and markets technical pipe and sheet insulation, primarily
under the Armaflex brand name, thermoplastic technical pipe insulation, as well
as metal and PVC insulation claddings.

     Under terms of the transaction, Orion will purchase all of the shares and
worldwide assets and certain liabilities of AIP. AIP's current management team
will continue to run the business along with its approximately 1,400 worldwide
employees. AIP operates 12 manufacturing facilities in nine countries, including
United States, United Kingdom, Germany, Poland, Switzerland, Italy, Spain,
Australia and China. AIP reported sales of approximately $225 million in 1999.

     Armstrong plans to use the cash proceeds from the sale to reduce its
outstanding debt.

                                       2
<PAGE>

ITEM 7.  FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS.
- ---------------------------------------------------------------------------

(A)  FINANCIAL STATEMENTS
- -------------------------

     NONE.


(B)  PRO FORMA FINANCIAL INFORMATION
- ------------------------------------

     Armstrong has prepared the unaudited pro forma balance sheet as of December
31, 1999, as if the disposition had occurred on December 31, 1999.

     Armstrong has prepared the unaudited pro forma statement of operations for
the year ended December 31, 1999 as if the disposition had occurred on January
1, 1999.

     The pro forma financial information does not purport to be indicative of
the results that would have been obtained had the disposition been completed as
of the date and for the period presented or the results that may be obtained by
Armstrong in the future.

(C)  EXHIBITS
- -------------

     Agreement for the sale and purchase of the Armstrong Insulation Business,
dated as of April 27, 2000 by and among Armstrong World Industries, Inc. and
Orion Einundvierzigste Beteiligungsgesellschaft Mbh

                                       3
<PAGE>

               Armstrong World Industries, Inc., and Subsidiaries
                 Unaudited Pro Forma Consolidated Balance Sheet
                             As of December 31, 1999

<TABLE>
<CAPTION>

                                                              Actual                             Pro Forma
                                                            December 31,     Pro Forma          December 31,
(in millions)                                                  1999         Adjustments             1999
                                                            ------------    -----------         ------------
<S>                                                         <C>             <C>                 <C>
       Assets
Current assets:
Cash and cash equivalents                                       $35.6      $240.5  (1)             $276.1
Accounts and notes receivable, net                              436.0       (31.8) (3)(4)           404.2
Inventories                                                     429.7       (22.7) (3)              407.0
Deferred income taxes                                            40.6           -                    40.6
Net assets of businesses held for sale                            2.2           -                     2.2
Other current assets                                             85.8        (1.9) (3)               83.9
                                                           ----------    --------               ---------
  Total current assets                                        1,029.9       184.1                 1,214.0
                                                           ----------    --------               ---------
Property, plant and equipment, net                            1,439.1       (80.2) (3)            1,358.9
Insurance for asbestos-related liabilities, noncurrent          270.0           -                   270.0
Investment in affiliates                                         34.2           -                    34.2
Goodwill, net                                                   935.1           -                   935.1
Other intangibles, net                                           56.6        (2.2) (3)(4)            54.4
Other noncurrent assets                                         399.6       (18.4) (2)(3)(4)        381.2
                                                           ----------    --------               ---------
  Total assets                                               $4,164.5       $83.3                $4,247.8
                                                           ==========    ========               =========
Liabilities and Shareholders Equity
Current liabilities:
Short-term debt                                                 $70.9           -                   $70.9
Current installments of long-term debt                           36.1           -                    36.1
Accounts payable and accrued expenses                           670.7       (24.8) (3)(4)           645.9
Income taxes                                                      7.3        39.7  (3)(7)            47.0
                                                           ----------    --------               ---------
  Total current liabilities                                     785.0        14.9                   799.9
                                                           ----------    --------               ---------
Long-term debt, less current installments                     1,412.9           -                 1,412.9
Employee Stock Ownership Plan (ESOP) loan guarantee             155.3           -                   155.3
Deferred income taxes                                            62.0           -                    62.0
Postretirement and postemployment benefit liabilities           245.2        (0.7) (3)              244.5
Pension benefit liabilities                                     200.2       (40.1) (3)              160.1
Asbestos-related long-term liabilities                          506.5          -                    506.5
Other long-term liabilities                                     106.4        (0.8) (3)              105.6
Minority interest in subsidiaries                                11.8           -                    11.8
                                                           ----------    --------               ---------
  Total noncurrent liabilities                                2,700.3       (41.6)                2,658.7
                                                           ----------    --------               ---------
Shareholders equity:
Common stock                                                     51.9           -                    51.9
Capital in excess of par value                                  176.4           -                   176.4
Reduction for ESOP loan guarantee                              (190.3)          -                  (190.3)
Retained earnings                                             1,196.2       113.1 (5)             1,309.3
Accumulated other comprehensive loss                            (16.5)       (3.1)(6)               (19.6)
Treasury stock                                                 (538.5)          -                  (538.5)
                                                           ----------    --------               ---------
  Total shareholders equity                                     679.2       110.0                   789.2
                                                           ----------    --------               ---------
  Total liabilities and shareholders equity                  $4,164.5       $83.3                $4,247.8
                                                           ==========    ========               =========
</TABLE>

   See accompanying notes to the unaudited pro forma consolidated financial
                                  statements.

                                       4
<PAGE>

               Armstrong World Industries, Inc., and Subsidiaries
            Unaudited Pro Forma Consolidated Statement of Operations
                      For the Year Ended December 31, 1999

<TABLE>
<CAPTION>

                                                              Actual                         Pro Forma
                                                            December 31,    Pro Forma       December 31,
(in millions)                                                  1999        Adjustments          1999
                                                            ------------   -----------      ------------
<S>                                                         <C>            <C>              <C>
Net sales                                                    $3,443.8      ($225.7) (1)       $3,218.1
Cost of goods sold                                            2,290.3       (136.9) (1)        2,153.4
                                                            ---------     --------           ---------
                                                              1,153.5        (88.8)            1,064.7
                                                            ---------     --------           ---------
 Selling, general and administrative expense                    683.0        (43.1) (1)          639.9
Goodwill amortization                                            25.5            -                25.5
Reorganization reversals                                         (1.4)           -                (1.4)
Charge for asbestos liability                                   335.4            -               335.4
Equity (earnings) from affiliates                               (16.8)           -               (16.8)
                                                            ---------     --------           ---------
Operating income                                                127.8        (45.7)               82.1
                                                            ---------     --------           ---------
Interest expense                                                105.2        (15.8) (1)(2)        89.4
 Other (income), net                                             (6.6)        (2.6) (1)(3)        (9.2)
                                                            ---------     --------           ---------
Earnings before income taxes                                     29.2        (27.3)                1.9
Income tax expense                                               14.9         (7.7)                7.2
                                                            ---------     --------           ---------
Net earnings (loss)                                             $14.3       ($19.6)              ($5.3)
                                                            =========     ========           =========
Net loss per share of common stock:
  Basic                                                         $0.36                           ($0.13)
  Diluted                                                       $0.36                           ($0.13)

Average number of common shares outstanding:
  Basic                                                          39.9                             39.9
  Diluted                                                        40.2                             40.2
</TABLE>

See accompanying notes to the unaudited pro forma consolidated financial
statements.

                                       5
<PAGE>

             NOTES TO UNAUDITED PRO FORMA CONSOLIDATED BALANCE SHEET
                             AS OF DECEMBER 31, 1999


(1)  Reflects cash consideration received of $250 million less cash of AIP as of
     December 31, 1999.

(2)  Reflects the notes receivable consideration received of $30 million less
     discount to estimated fair market value of $15.6 million.

(3)  Reflects removal of assets and liabilities of AIP as of December 31, 1999

(4)  Reflects anticipated direct transaction costs.

(5)  Reflects the pro forma effect on retained earnings of the transaction as if
     it occurred on December 31, 1999.

(6)  Reflects the removal of cumulative translation adjustment related to AIP as
     of December 31, 1999.

(7)  Reflects the estimated income taxes payable from the sale.


        NOTES TO UNAUDITED PRO FORMA CONSOLIDATED STATEMENT OF OPERATIONS
                      FOR THE YEAR ENDED DECEMBER 31, 1999


(1)  Reflects the removal of the operating results of AIP.

(2)  Reflects Armstrong's reduced interest expense due to the cash proceeds from
     the disposition used to pay outstanding debt at an interest rate of 6.0%.

(3)  Reflects interest income and amortization of discount from the notes
     receivable issued as part of the total consideration.

                                       6
<PAGE>

(C)  EXHIBITS
- -------------


   EXHIBIT NO.      DESCRIPTION OF DOCUMENT
   ----------       -----------------------

       2            Agreement for the sale and purchase of the Armstrong
                    Insulation Business, dated as of April 27, 2000 by and among
                    Armstrong World Industries, Inc. and Orion Einundvierzigste
                    Beteiligungsgesellschaft Mbh

                                       7
<PAGE>

                                    SIGNATURE



     Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.


                                      ARMSTRONG WORLD INDUSTRIES, INC.
                                      (registrant)


Date: May 12, 2000                    By: \s\ William C. Rodruan
                                          ----------------------
                                          William C. Rodruan
                                          Vice President and Controller
                                          (Principal Accounting Officer)

                                       8

<PAGE>

     DATED                         27th April                         2000
     ---------------------------------------------------------------------



                       (1) ARMSTRONG WORLD INDUSTRIES INC.


                                     - and -


            (2) "ORION" EINUNDVIERZIGSTE BETEILIGUNGSGESELLSCHAFT MBH


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

                                    AGREEMENT
         for the sale and purchase of the Armstrong Insulation Business

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

                                 CONFORMED COPY




                                                  Herbert Smith
                                                  Exchange House
                                                  Primrose Street
                                                  London EC2A 2HS
                                                  Tel: 0171-374 8000
                                                  Fax: 0171-374 0888
                                                  Ref: 2328/2219

<PAGE>

THIS AGREEMENT is made on 27th April 2000

BETWEEN:

(1)  ARMSTRONG WORLD INDUSTRIES INC. a company incorporated in Pennsylvania, USA
     and whose registered office is at 2500 Columbia Avenue, Lancaster 17603,
     Pennsylvania, USA (the "Vendor" or "AWI"); and

(2)  "ORION" EINUNDVIERZIGSTE BETEILIGUNGSGESELLSCHAFT MBH (to be re-named
     Armacell Holding GmbH) a company incorporated in Germany (commercial
     registry number 49000) and whose registered office is at Senckenbergaulage
     20-22, 60325, Frankfurt-am-Main, Germany (the "Purchaser").

RECITALS:

A.   The Vendor (through the Insulation Business Undertakings) is engaged in the
     manufacture and marketing of elastomeric and polyethylene flexible
     technical insulation products and polyurethane technical insulation
     products for use in mechanical systems in residential, commercial and
     industrial buildings, heating and air conditioning, plumbing and
     refrigeration and others applications (as carried on by the Insulation
     Business Undertakings as at the date hereof, but subject to the exclusions
     in clause 3.3, the "Insulation Business").

B.   The Vendor has agreed to sell (or procure the sale of) its (and the members
     of its Group's) interests in the Insulation Business to the Purchaser (or
     members of its Group) in accordance with the terms of this Agreement.

IT IS AGREED as follows:

1.   INTERPRETATION

1.1  In this Agreement and in the Schedules the following definitions (and the
     words and expressions defined in the Recitals and in Schedule 1) are used:

     "Accounting Policies" means the bases, practices and policies set out or
     referred to in Schedule 8 (in each case applied on bases consistent with
     the application of those bases, practices and policies in the Accounts and
     the Group Accounts);

     "Accounts" means, in relation to each Company and AIP Germany, the balance
     sheet of that company as at the Accounts Date, together with a profit and
     loss account of that company for the 12 month period to the Accounts Date,
     where appropriate prepared on a consolidated basis, in the form annexed
     hereto (and initialled for identification by or on behalf of each of the
     Parties);

     "Accounts Date" means 31 December 1999;

     "AIP Germany" means Armstrong Insulation Products GmbH, a company which
     merged with Armstrong Germany on or about 4 April 2000, but was previously
     incorporated in Germany with registered number HRB 4814 and whose
     registered office was at Robert Bosch Strasse 10, 48153 Muenster, Germany;
<PAGE>

     "Aon Insurance Recommendations" means the insurance recommendations made by
     Aon Risk Services to the Purchaser in relation to the insurance policies to
     be put in place by or on behalf of the Purchaser and its Group with effect
     from Completion;

     "Arcadis Environmental Report" means the final environmental due diligence
     report dated on or prior to the date hereof prepared by Arcadis for the
     Purchaser in relation to the Insulation Business Undertakings;

     "Armstrong Architectural Products Spain" means Armstrong Architectural
     Products SL, a company incorporated in Spain and registered at Barcelona
     Mercantile Register in Tomo 28.527, Folio 117, Hoja B-139009 and whose
     principal place of business and registered fiscal and social address is at
     carretera de Viladamat a Palafrugell, Km. 32, Begur,  Girona, Spain;

     "Armstrong Benelux" means AIPB SPRL, a company incorporated in Belgium with
     registered number Formule IIB Bruxelles Number 576384 and whose registered
     office is at Avenue du Bourget 40, 1130 Brussels, Belgium;

     "Armstrong Building Products Germany" means Armstrong Building Products
     GmbH a company incorporated in Germany with registered number HRB4597 and
     whose registered office is at Robert Bosch Strasse 10, 48153 Muenster,
     Germany;

     "Armstrong China Shares" means the equity interests in Armstrong China
     referred to in part 1 of Schedule 1;

     "Armstrong Management" means George Lorch, Follin Smith, Deborah Owen,
     Frank Riddick, Robert Sills, Joel Wittenberg (VP, Treasurer), David Frank
     (Director of Taxes), Christopher Stump, William Rodruan (Controller), David
     Bendit (Benefits Manager), Douglas Boles (Executive VP, HR), Robert
     Richards (VP, Information Systems), Douglas Winters (Intellectual Property
     Counsel), Douglas Brossman (Environmental Counsel) and Mark Willis Jones
     (Deputy General Counsel International);

     "Armstrong Name" means any trade name or business name or mark comprising
     or including the word "Armstrong";

     "Armstrong Name Licence" means a licence of the "Armstrong" name and
     trademarks in the agreed terms;

     "Armstrong Poland Shares" means the entire issued share capital of
     Armstrong Poland referred to in part 1 of Schedule 1;

     "Armstrong UK Unlimited" means Armstrong Insulation Products (UK), a
     company incorporated in England and Wales with registered number 3114931
     and whose registered office is at Armstrong House, 38 Market Square,
     Uxbridge, Middlesex UB8 1NG;
<PAGE>

     "Asbestos Claim" means (a) any action against an Insulation Business
     Undertaking by a regulatory authority or (b) a claim by a third party
     (including any employee of the Vendor's  Group or of any Insulation
     Business Undertaking) directly or indirectly as a result of any activities
     of:

          (A)  any member of the Vendor's Group or any Insulation Business
               Undertaking; or

          (B)  any other person who, as at Completion is a predecessor in title
               or affiliate of a person referred to in paragraph (A) above;
               involving, using, maintaining or cleaning asbestos, asbestos
               fibres or asbestos containing materials (whether in buildings or
               otherwise) prior to Completion;

     "Ashurst Morris Crisp Legal Reports" means the final legal due diligence
     reports dated on or prior to the date hereof prepared by the Purchaser's
     Solicitors for the Purchaser in relation to the Insulation Business
     Undertakings;

     "Assets" means the assets referred to in part 3 of Schedule 1 and all other
     Business Intellectual Property;

     "Assignments" means the patent, trade mark and general intellectual
     property assignments by the Vendor (or member(s) of its Group), in the
     agreed terms;

     "Business Day" means a day (not being a Saturday or Sunday) on which banks
     are open for general banking business in the City of London, New York,
     Madrid and Frankfurt am Main;

     "Business Intellectual Property" means the Intellectual Property Rights
     which are owned by or licensed to the Vendor or a member of the Vendor's
     Group and used in the Insulation Business (other than any rights in the
     Armstrong Name), together with the goodwill relating thereto;

     "Capital Expenditure Budget" means the combined budget for capital
     expenditure by the Insulation Business Undertakings during the course of
     the year from the Accounts Date to 31 December 2000, in the form annexed
     hereto (and initialled for identification by or on behalf of each of the
     Parties);

     "Cash" means the aggregate cash and cash equivalents, as determined in
     accordance with the Accounting Policies, of the Insulation Business
     Undertakings as at the close of business on the date of Completion, as
     stated in the Statement;

     "Chinese Condition Subsequent" means the issuance, to the reasonable
     satisfaction of both the Purchaser and the Vendor, of:

          (A)  an Approval Reply by the Panyu Committee of Foreign Trade and
               Economic Co-operation approving the sale and purchase of the
               Armstrong China Shares; and

          (B)  the amended Foreign Investment Enterprise Certificate of Approval
               and the amended Enterprise Legal Person Business Licence required
               to complete the sale and purchase of the Armstrong China Shares;
<PAGE>

     "Companies" means all of the undertakings referred to in part 1 of Schedule
     1;

     "Companies Act" means the Companies Act 1985;

     "Company" means any undertaking referred to in part 1 of Schedule 1;

     "Company Intellectual Property" means the Intellectual Property Rights
     which are owned by or licensed to the Insulation Business Undertakings
     (other than any rights in the Armstrong Name and any Business Intellectual
     Property), together with the goodwill relating thereto;

     "Completion" means completion of the matters set out in sub-clauses 5.2 and
     5.3 and Schedule 5 (save, but only where required by sub-clause 5.4 or 5.5,
     in relation to Armstrong China and Armstrong Poland);

     "Completion Account Documents" means the Completion Account Documents as
     defined in sub-clause 6.2;

     "Completion Accounts" means, in relation to each Insulation Business
     Undertaking (including Armstrong China and Armstrong Poland), a balance
     sheet of that Insulation Business Undertaking as at Completion together
     with a profit and loss account of that Insulation Business Undertaking for
     the period from the Accounts Date to Completion, where appropriate prepared
     on a consolidated basis, in each case expressed in but otherwise
     prepared in accordance with clause 6 and Schedules 7 and 11 and using the
     Accounting Policies;

     "Completion Group Net Assets" means the combined net assets of the
     Insulation Business Undertakings (including Armstrong China and Armstrong
     Poland) as at Completion, as stated in the Statement;

     "Completion Longstop Date" means the date 4 months after the date hereof;

     "Conditions Precedent" means the conditions set out in sub-clause 2.1;

     "Confidential Information" means, in relation to each Party, all
     information relating to the business, financial or other affairs of any
     member of its Group (including future plans and targets) which is not in
     the public domain, from time to time;

     "Debt" means the aggregate debts (as determined in accordance with the
     Accounting Policies), including the line item "Short term debt" (as set out
     in line 15 of Schedule 11) and including amounts owed by an Insulation
     Business Undertaking to a member of the Vendor's Group, including the line
     item "Due to affiliated companies non-current portion (as set out in line
     20 of Schedule 11) other than amounts arising from the sale and purchase of
     goods or services in the ordinary course of business, being the line item
     "Intercompany payables" (as set out in line 14 of Schedule 11), of the
     Insulation Business Undertakings as at the close of business on the date of
     Completion, as stated in the Statement;

     "Disclosed Scheme" means the Vendor's Scheme, the US Disclosed Schemes, the
     Spanish Scheme and the German Schemes each as defined in part 1 of Schedule
     1;
<PAGE>

     "Disclosure Letter" means the letter delivered to the Purchaser by the
     Vendor immediately prior to the execution of this Agreement by the Parties;

     "Employees" means those persons employed by or wholly or mainly in an
     Insulation Business Undertaking at Completion;

     "Encumbrance" means any mortgage, charge (fixed or floating), pledge, lien,
     hypothecation, trust, right of set off or other third party right or
     interest (legal or equitable) including any right of pre-emption,
     assignment by way of security, reservation of title or any other security
     interest of any kind however created or arising or any other agreement or
     arrangement (including a sale and repurchase arrangement) having similar
     effect;

     "Environment" means any and all living organisms (including, for the
     avoidance of doubt, man), ecosystems, property and the media of air
     (including air in buildings, natural or man-made structures, below or above
     ground), water (including water drains and sewers) and land (including
     under any water);

     "Environmental Consents" means, in relation to each Insulation Business
     Undertaking, any consent, approval, permit, licence, authorisation,
     exemption, registration, permission and any related agreement required by
     that Insulation Business Undertaking at or prior to Completion under any
     Environmental Law in relation to:

          (A)  the Properties;

          (B)  the use of the Properties by that Insulation Business
               Undertaking; or

          (C)  the activities of that Insulation Business Undertaking;

     "Environmental Law" means, in relation to the Properties and each
     Insulation Business Undertaking, all international, EU, national, federal,
     state or local statutes, bylaws, orders, regulations or other law or
     subordinate legislation or common law, orders or ordinances which, in each
     case, have as a purpose or effect the protection of harm to the Environment
     or the protection of human health and safety in any jurisdiction in which
     that Insulation Business Undertaking had been or was then operating and
     which are in force or existence prior to or at Completion (or in draft form
     at Completion, where the details of any such draft are generally known and
     are reasonably likely to come into effect within 2 years of the date
     hereof);

     "Environmental Warranties" means the warranties set out in paragraph 13 of
     part 1 of Schedule 2;

     "Estimate" means the estimate defined in sub-clause 4.8;

     "EURIBOR" means the rate for deposits in Euros of 5,000,000 which appears
     on the relevant display page of the Dow Jones Telerate Service or, failing
     that, the rate quoted by Morgan Stanley Senior Funding Inc at or about 11am
     (London time) on the last Business Day prior to Completion;

     "Excluded Long Term Liabilities" means, from time to time, the net accrued
     amount (if any) by which:
<PAGE>

          (A)  (save in relation to the Disclosed Schemes provided for in
               paragraphs 2.4.2, 3 and 4 of Schedule 3) any liabilities (or
               increase in liabilities) of an Insulation Business Undertaking
               arising as a consequence of changes or additions to post
               retirement and post employment liabilities (as described in
               accordance with the Accounting Policies) between the Accounts
               Date and Completion (and which have been disregarded in
               calculating the Completion Group Net Assets) require a payment
               after Completion; exceed

          (B)  (save in relation to any Disclosed Scheme provided for in
               paragraphs 2.4.2, 3 and 4 of Schedule 3) any assets (or reduction
               in liabilities) of an Insulation Business Undertaking arising as
               a consequence of changes or additions to post retirement and post
               employment liabilities (as determined in accordance with the
               Accounting Policies) between the Accounts Date and Completion
               (and which have been disregarded in calculating the Completion
               Group Net Assets);

     "Expert" means the London Office of Arthur Andersen or, failing them, the
     London Office of PriceWaterhouseCoopers;

     "Facility Agreement" means the facility agreement between, inter alia,
     Morgan Stanley Senior Funding Inc and the Purchaser in the form annexed
     hereto (and initialled for identification by or on behalf of each of the
     Parties);

     "Final Longstop Date" means the date 4 months after Completion;

     "General Warranties" means the warranties set out in part 1 of Schedule 2;

     "Group" means:

          (A)  in relation to the Vendor, the Vendor's Group; and

          (B)  in relation to the Purchaser, the Purchaser's Group;

     "Group Accounts" means the audited combined balance sheet of the Insulation
     Business Undertakings and AIP Germany as at the Accounts Date, together
     with the audited combined profit and loss account and audited combined cash
     flow statement of the Insulation Business Undertakings and AIP Germany for
     the 12 month period to the Accounts Date in the form annexed hereto (and
     initialled for identification by or on behalf of each of the Parties);

     "Group Completion Accounts" means a combined balance sheet of the
     Insulation Business Undertakings (including Armstrong China and Armstrong
     Poland) as at Completion, together with a profit and loss account of those
     Insulation Business Undertakings for the period from the Accounts Date to
     Completion, in each case expressed in but otherwise prepared from the
     Completion Accounts in accordance with clause 6 and Schedules 7 and 11 and
     using the Accounting Policies;

     "Hazardous Substance" means any natural or artificial substance (whether
     solid, liquid, gas, noise, ion, vapour, electromagnetic or radiation, and
     whether alone or in
<PAGE>

     combination with any other substance) which is capable of causing
     significant harm to or of having a significant deleterious effect on the
     Environment;

     "Insulation Business Undertakings" means the Companies (but, for the
     avoidance of doubt, excluding Armstrong Russia);

     "Intellectual Property Rights" means all patents, registered designs,
     design rights, database rights, copyrights and trade marks, business or
     domain names (whether registered or not) and rights in inventions, know-
     how, trade secrets and other confidential information and the goodwill
     therein and applications for any of the same and any rights or forms of
     protection of a similar nature and having equivalent or similar effect to
     any of them which may subsist anywhere in the world;

     "Inter Creditor Deed" means the inter creditor deed between, inter alia,
     Morgan Stanley Senior Funding Inc, the Purchaser and the Vendor in the form
     annexed hereto (and initialled for identification by or on behalf of each
     of the Parties);

     "Interest Rate" means EURIBOR plus 1% per annum;

     "Investment Agreement" means the framework agreement dated on or about the
     date hereof between, inter alia the initial shareholders of the Purchaser
     and all relevant members of the Senior Management;

     "Loan Note Instruments" means the Series A Loan Note Instrument and the
     Series B Loan Note Instrument;

     "Loan Notes" means the Series A Loan Notes and the Series B Loan Notes;

     "Management Accounts" means, in relation to each Company and AIP Germany,
     the management accounts for that company for the period from the Accounts
     Date to the end of March 2000 in the form annexed hereto (and initialled
     for identification by or on behalf of each of the Parties);

     "Material Adverse Effect" means a Material Adverse Affect for the purposes
     of, and as defined in, the Facility Agreement;

     "Management Disclosure Letter" means the letter dated on or about the date
     hereof from all relevant members of the Senior Management to the initial
     shareholders of the Purchaser pursuant to the Investment Agreement;

     "Normalised Group Working Capital" means 42,600,000;

     "Parties" means the Purchaser and the Vendor (and, where appropriate and
     subject to sub-clause 15.1, the assignees (if any) of each of them);

     "Polish Condition Subsequent" means the making or submission of all
     statutory and other official notices and filings that are required to be
     made by or on behalf of either Party or Armstrong Poland with, and the
     issue or grant of all permits, consents and statements from or by, all of
     the Polish Ministry of Interior Affairs and Administration, the Polish
     Ministry of the State Treasury and the Polish Office for the Protection of
     Competition and Consumers' Rights in order to enable, approve and authorise
     the completion of the sale and purchase of the Armstrong Poland Shares in
<PAGE>

     accordance with the terms of this Agreement (and where necessary stamped
     and approved) to the reasonable satisfaction of both the Purchaser and the
     Vendor;

     "Previous Accounts" means, in relation to each Company and AIP Germany, the
     balance sheets and profit and loss accounts and, where appropriate, cash
     flow statements of that company (if any) for the 12 months (or any part
     thereof) immediately prior to the period covered by the Accounts, where
     appropriate prepared on a consolidated basis, in the form annexed hereto
     (and initialled for identification by or on behalf of each of the Parties);

     "Properties" means the properties referred to in Schedule 4;

     "Purchase Price" means [_]303,420,000;

     "Purchaser's Accountants" means, from time to time, such firm of
     accountants (other than the Expert) as shall be nominated by the Purchaser
     for the purposes of this Agreement;

     "Purchaser's Group" means the Purchaser and, from time to time, each of its
     subsidiary undertakings (including, from Completion, each Insulation
     Business Undertaking);

     "Purchaser's Solicitors" means Ashurst Morris Crisp of Broadwalk House, 5
     Appold Street, London EC2A 2HA;

     "Release" means, in relation to any Hazardous Substance, any intentional,
     negligent or accidental spilling, leaking, pumping, pouring, emitting,
     emptying, exposure, discharging, injecting, leaching, dumping or disposing
     of that Hazardous Substance including the abandonment or discharging of
     containers and receptacles containing any Hazardous Substances;

     "Relevant Claim" means a claim against the Vendor under or for breach of
     the Warranties or the Repeated Warranties (in each case other than in
     relation to the Warranties at paragraphs 7.3, 7.6 and 14 of Part 1 of
     Schedule 2) or (save where expressly stated otherwise) the provisions of
     clause 7 or the Specific Indemnities;

     "Reorganisation" means the pre-Completion reorganisation and restructuring
     of the Insulation Business, the Insulation Business Undertakings and the
     Vendor's Group, comprising:

          (A)  the transfer or sale (or proposed transfer or sale) of Armstrong
               Architectural Products Spain, Armstrong Building Products Germany
               and Armstrong Benelux to a member of the Vendor's Group;

          (B)  the sale of Armstrong Textile Products GmbH to DAY German
               Holdings GmbH;

          (C)  the incorporation of, and commencement of business of (including
               the transfer of Employees and Properties to), Armstrong Europa,
               Armstrong Australia, Armstrong USA, Armstrong HK and Armstrong
               UK;
<PAGE>

          (D)  the merger of Armstrong Germany with AIP Germany;

          (E)  the transfer or sale (or proposed transfer or sale) of the
               Properties at Dallas, Georgia and Mebane, North Carolina to
               Armstrong USA;

          (F)  the matters referred to in Schedule 6; and

     any other act, matter or thing done, occurring or carried out by an
     Insulation Business Undertaking or a member of the Vendor's Group prior to
     Completion where one of the principal purposes of any such act, matter or
     thing was to transfer assets or liabilities from or to an Insulation
     Business Undertaking in order to or otherwise to enable or facilitate any
     of the transactions anticipated by this Agreement to be implemented;

     "Repeated Warranties" means the Warranties (other than the Warranty set out
     in paragraph 6.2.2 of part 1 of Schedule 2 ), provided that:

          (A)  each such Repeated Warranty shall be deemed to include an
               additional statement that each aspect of that Repeated Warranty
               is limited by reference to the actual knowledge as at Completion
               of the Armstrong Management (having made reasonable enquiries of
               the Senior Management in relation to those Repeated Warranties);
               and

          (B)  any reference in Schedule 2 to the date hereof shall be deemed to
               be a reference to the date of Completion;

     "Resignation Letter" means a resignation letter in the agreed terms;

     "Senior Management" means Ulrich Weimer, Hans Bolliger, Ulrich Lehmann,
     Stuart Abbott, Jim Mars, Stuart Wheatley, Karl Paetz-Lauter and Wolfgang
     Gries;

     "Series A Loan Note Instrument" means the series A loan note instrument in
     the agreed terms;

     "Series A Loan Notes" means the series A loan notes constituted by the
     Series A Loan Note Instrument;

     "Series B Loan Note Instrument" means the series B loan note instrument in
     the agreed terms;

     "Series B Loan Notes" means the series B loan notes constituted by the
     Series B Loan Note Instrument;

     "Services Agreements" means the agreements in the agreed terms in relation
     to the provision of certain services by the Vendor or members of its Group
     to the Purchaser or members of its Group (and vice versa) from Completion;

     "Shares" means, in respect of each Company, the entire issued share capital
     or equity interests or partnership interests (as the case may be) of that
     Company, as referred to in part 1 of Schedule 1;
<PAGE>

     "Specific Indemnities" means the indemnities set out in sub-clauses 8.10,
     9.2, 9.4, 9.6, 9.7, and paragraph 6 of part 1 of Schedule 3;

     "Statement" means the statement defined in sub-clause 6.2.2;

     "Stock Exchange" means each recognised investment exchange for the purposes
     of the Financial Services Act 1986 and any similar exchange or trading
     facility in any jurisdiction outside the United Kingdom (including, without
     limitation, the New York Stock Exchange);

     "Subsidiary" means the undertaking referred to in part 2 of Schedule 1;

     "Substantial Customer" means a customer accounting for more than five per
     cent. of the Insulation Business Undertakings' sales in the financial year
     ended on the Accounts Date;

     "Substantial Supplier" means a supplier accounting for more than five per
     cent. of the Insulation Business Undertakings' purchases in the financial
     year ended on the Accounts Date;

     "Target Group Net Assets" means [_]114,253,300, as the same may be
     increased or decreased, as the case may be, in accordance with paragraph
     1.2 of Schedule 7;

     "Taxation" or "Tax" means taxation or tax as defined in the Tax Deed;

     "Tax Deed" means the tax deed in the agreed terms;

     "Tax Warranties" means the warranties set out in part 2 of Schedule 2;

     "VAT" means value added tax in the United Kingdom and any equivalent sales
     Tax elsewhere in the world;

     "Vendor's Group" means the Vendor and, from time to time, each of its
     subsidiary undertakings (but excluding the Insulation Business
     Undertakings);

     "Vendor's Accountants" means, from time to time, such firm of accountants
     (other than the Expert) as shall be nominated by the Vendor for the
     purposes of this Agreement;

     "Warranties" means the General Warranties and the Tax Warranties;

     "Waste" means waste, including anything which is discarded or which the
     holder intends or is required to discard and anything which is abandoned,
     irrespective of whether it is capable of being recovered or recycled; and

     "Working Capital" means accounts receivable and inventories less accounts
     payable, in each case determined in accordance with the Accounting Policies
     (and as represented by the corresponding line items in Schedule 11) (but,
     for the avoidance of doubt, excluding all Cash and Debt).

1.2  In this Agreement, save where the context otherwise requires:
<PAGE>

    1.2.1 a reference to a statute or statutory provision shall include a
          reference to that statute or provision as it may be amended or
          re-enacted by any statute or statutory provision as at the date
          hereof;

    1.2.2 words in the singular shall include the plural (and vice versa);

    1.2.3 the masculine gender shall include the feminine and neutral (and vice
          versa);

    1.2.4 a reference to a person shall include a reference to an individual,
          an undertaking and a public authority and to any such person's
          nominees, representatives, trustees, executors and administrators (in
          each case, whether or not having separate legal personality and
          irrespective of the jurisdiction in or under the law of which it was
          incorporated or exists);

    1.2.5 a reference to a clause, sub-clause or Schedule (other than to a
          schedule to a statutory provision) shall be a reference to a clause,
          sub-clause or Schedule (as the case may be) of or to this Agreement;

    1.2.6 if a period of time is specified and dates from a given day or the
          day of an act or event, it shall be calculated exclusive of that day;

    1.2.7 a reference to any English legal term (including any statute,
          statutory instrument, resolution, by-law or other requirement) for any
          action, remedy, method or judicial proceeding, legal or constitutional
          document, legal status, procedure, court, official or any legal
          concept or thing shall in respect of any jurisdiction other than
          England be deemed to include that which most nearly approximates in
          that jurisdiction to the relevant English legal term;

    1.2.8 a reference to writing shall include any modes of reproducing words
          in a legible and non-transitory form (excluding electronic mail);

    1.2.9 a reference to a balance sheet or profit and loss account shall
          include a reference to any note forming part of it;

   1.2.10 a reference to a document "in the agreed terms" shall be to a
          document agreed between (and initialled for identification by or on
          behalf of) each of the Parties;

   1.2.11 the index to and headings in this Agreement are for convenience only
          and shall not affect the interpretation of any provision of this
          Agreement;

   1.2.12 a reference to "includes" or "including" shall mean "including
          without limitation";

   1.2.13 the Schedules form part of the operative provisions of this
          Agreement and any reference to this Agreement shall, unless the
          context otherwise requires, include a reference to the Schedules; and

   1.2.14 any reference to "or" (but not "and") shall, save where the context
          does not allow, mean "and/or".

1.3 In this Agreement, save as otherwise provided:
<PAGE>

   1.3.1  words and expressions defined in the Accounting Policies shall bear
          the same meaning as in those policies; and

   1.3.2  (save as otherwise provided in and defined in the Accounting
          Policies) words and expressions defined in the Companies Act shall
          bear the same meaning as in that act.

2.   CONDITIONS

2.1  The provisions of this Agreement, other than this clause, clause 7 (Pre
     Completion Undertakings), clause 13 (Confidential Information), clause 14
     (Announcements), clause 15 (Miscellaneous), clause 18 (Costs), clause 19
     (Notices) and clause 20 (Governing Law, Jurisdiction and Service of
     Process) are subject to each of the following Conditions Precedent:

     2.1.1 the receipt by the Purchaser (or its shareholders) of cartel
           clearance from the German Federal Cartel Office (Bundeskartellamt),
           or the satisfaction of the statutory conditions for deemed cartel
           clearance in each case, of the acquisition of, or subscription for
           shares in, the Purchaser by its shareholders and, if required, of the
           consummation and completion of this Agreement (and the acquisitions
           contemplated hereby) by the Purchaser;

     2.1.2 the receipt by the Purchaser (or its shareholders) of a declaration
           of no objection (verklaring van geen bezwaar) from the Dutch Central
           Bank (De Nederlandsche Bank N.V.) as referred to in section 23
           paragraph 1 sub b. of the Dutch Act on the Supervision of the Credit
           System 1992 (Wet Toezicht Kredietwezen) to the acquisition of, or
           subscription for shares in, the Purchaser by its shareholders or of
           the consummation and completion of this Agreement (and the
           acquisitions contemplated hereby) by the Purchaser;

     2.1.3 the Purchaser not being prevented, in accordance with the terms of
           the Facility Agreement, from drawing down funds thereunder (whether
           by reason of an Event of Default or Potential Event of Default (each
           as defined in the Facility Agreement), a Material Adverse Effect, a
           breach of the warranties in the Facility Agreement or otherwise); and

     2.1.4 (as at Completion) there being no fact, matter, thing or information
           actually known by either of the Parties (the nature, quality and
           extent of which was not actually known by both of them at the date
           hereof) that indicates that either the Chinese Condition Subsequent
           or the Polish Condition Subsequent is unlikely to be satisfied by the
           Final Longstop Date;

     and if those Conditions Precedent have not been satisfied (or waived in
     accordance with sub-clause 2.4) by the Completion Longstop Date the
     provisions of this Agreement (other than clause 13 (Confidential
     Information), clause 14 (Announcements), clause 15 (Miscellaneous), clause
     18 (Costs), clause 19 (Notices) and clause 20 (Governing Law, Jurisdiction
     and Service of Process)) shall from such date have no effect.

2.2  Each Party shall use all reasonable endeavours to procure that the
     Conditions Precedent in sub-clauses 2.1.1, 2.1.2 and 2.1.3 are satisfied by
     no later than the
<PAGE>

     Completion Longstop Date (and, for the avoidance of doubt, no Party shall
     be entitled to withdraw from this Agreement before the Completion Longstop
     Date unless, prior thereto, any of the Conditions Precedent becomes
     incapable of being satisfied or waived) and, from time to time, each Party
     shall keep the other Party informed of any material details known to it
     relating to the progress towards satisfaction of those Conditions
     Precedent.

2.3  In the event that any of the Conditions Precedent shall not have been
     satisfied (or waived in accordance with sub-clause 2.4) by the Completion
     Longstop Date neither Party shall have any liability under the provisions
     of this Agreement other than in respect of:

     2.3.1 any breach prior to the Completion Longstop Date of sub-clause 2.2;
           or

     2.3.2 any breach of clause 13 (Confidential Information) or clause 14
          (Announcements).

2.4  The Purchaser may waive, without prejudice to its rights hereunder, in
     whole or in part, the Conditions Precedent in sub-clauses 2.1.2 and 2.1.3;
     the Vendor and the Purchaser may together waive, without prejudice to their
     respective rights hereunder, in whole or in part, the Conditions Precedent
     in sub-clauses 2.1.1 and 2.1.4.

3.   SALE AND PURCHASE

3.1  The Vendor shall sell (or procure that the relevant member of its Group
     which is the owner of the Shares or Assets as shown in Schedule 1 shall
     sell, in any such case) as legal and beneficial owner and with full title
     guarantee, and the Purchaser shall purchase (or procure that a member of
     its Group shall purchase), the Shares and Assets.

3.2  The Shares and Assets shall be sold by the Vendor (or a member of its
     Group) free from any Encumbrance (and together with all rights attached to
     them as at Completion).

3.3  Notwithstanding any provision of this Agreement (but without prejudice to
     clause 9), the Vendor (or a member of its Group) shall retain the following
     undertakings:

     3.3.1 Armstrong Architectural Products Spain;

     3.3.2 Armstrong Benelux;

     3.3.3 Armstrong Building Products Germany; and

     3.3.4 Armstrong UK Unlimited.

3.4  Without prejudice to sub-clause 3.2, the Vendor waives (or agrees to
     procure the waiver of) any rights or restrictions conferred upon it (or any
     other member of its Group) which may exist in relation to the Shares or
     Assets under the articles of association of any of the Companies or the
     Subsidiary or otherwise.

3.5  Neither Party shall be obliged to complete (or procure the completion by
     any member of its Group of) the sale and purchase of any of the Shares or
     Assets unless each Party
<PAGE>

     is in a position (and agrees) to complete the sale and purchase of all of
     the Shares and all of the Assets simultaneously (other than the Armstrong
     China Shares and the Armstrong Poland Shares), but completion of the sale
     and purchase of some of the Shares or Assets shall not affect the rights of
     the Parties with respect to the sale and purchase of any other Shares or,
     as the case may be, Assets.

4.   CONSIDERATION

4.1  The total consideration for the sale of the Shares and Assets by the Vendor
     (or a member of its Group) to the Purchaser (or a member of its Group)
     shall be the Purchase Price less an amount equal to the Debt, but plus an
     amount equal to the Cash, as the same may be adjusted in accordance with
     this clause 4 and such consideration shall be apportioned between the
     Shares and Assets (and attributable to the Subsidiary) in accordance with
     sub-clause 4.7.

4.2  The Purchase Price (as the same may be adjusted in accordance with this
     clause 4) shall be satisfied by:

     4.2.1 (subject to sub-clauses 4.8 and 4.9) the payment of 217,704,000 in
           cash and the payment of US$ 36,898,000 (being deemed to be 40,000,000
           at the rate agreed between the Parties to be the US$ / exchange rate
           on the date hereof) in cash and US$, in each case at Completion;

     4.2.2 the issue of 26,500,000 Series A Loan Notes, credited as fully paid,
           at Completion;

     4.2.3 the issue of 5,420,000 Series B Loan Notes, credited as fully paid,
           at Completion;

     4.2.4 (subject to sub-clause 4.11 and sub-clause 4.12) the payment of
           8,361,000 in cash at Completion or, if completion of the sale and
           purchase of the Armstrong China Shares takes place after Completion
           in accordance with clause 5.4, at the date of such completion;

     4.2.5 (subject to sub-clause 4.13 and sub-clause 4.14) the payment of
           5,435,000 in cash at Completion or, if completion of the sale and
           purchase of the Armstrong Poland Shares takes place after Completion
           in accordance with clause 5.5, at the date of such completion; and

     4.2.6 the payment in cash of such other amounts by either Party to the
           other Party as shall be required in accordance with sub-clause 4.4 or
           sub-clause 4.5.

4.3  The Purchase Price shall be adjusted (and the consideration for the sale of
     the Shares and Assets by the Vendor (or a member of its Group) to the
     Purchaser (or a member of its Group) shall be deemed to be increased or
     reduced, as the case may be) in accordance with the provisions of paragraph
     3 of Schedule 7 and paragraph 5 of Schedule 3 and sub-clauses 4.11 to 4.14
     (inclusive).

4.4  In the event that the net effect of the adjustments in paragraphs 3.2 and
     3.3 of Schedule 7 in relation to Debt or Cash (other than in relation to
     Armstrong China or Armstrong Poland) shall require:
<PAGE>

     4.4.1 a net increase in the Purchase Price that exceeds any net increase in
           the Purchase Price provided for at Completion in the Estimate;

     4.4.2 a net increase in the Purchase Price when the Estimate at Completion
           provided for a net decrease in the Purchase Price;

     4.4.3 a net decrease in the Purchase Price that is less than any net
           decrease in the Purchase Price provided for at Completion in the
           Estimate;

     (in this sub-clause 4.4 any such difference being the "Difference") or, as
     the case may be, in the event that the Completion Group Net Assets shall
     exceed the Target Group Net Assets (the "Excess"), then an amount equal to
     that Difference or, as the case may be, the Excess (together with interest
     thereon calculated at the Interest Rate and on a daily basis in respect of
     the period from Completion to the date of actual payment) shall, subject to
     paragraph 3.4 of Schedule 7, be paid by the Purchaser to the Vendor (by
     electronic transfer for receipt in, free of all costs, deductions and
     charges, to such account as the Vendor shall nominate for this purpose)
     within 5 Business Days of the determination of the final form of the
     Completion Account Documents in accordance with clause 6, save that:

     4.4.4 in the event that the Cash (other than in relation to Armstrong China
           or Armstrong Poland) shall exceed 100,000 (any such excess being
           "Excess Cash") the Purchaser shall be entitled to delay payment of an
           amount equal to such Excess Cash from any payment required under this
           sub-clause 4.4 until the first anniversary of the determination of
           the final form of the Completion Account Documents in accordance with
           clause 6; and

     4.4.5 the Purchaser shall be entitled to delay payment of an amount equal
           to such Excess from any payment required under this sub-clause 4.4
           until the date 45 days after the date of the determination of the
           final form of the Completion Account Documents in accordance with
           clause 6 provided that the Purchaser shall use (and shall procure
           that the relevant members of its Group use) reasonable endeavours to
           realise such Excess in the Purchaser (or any member of its Group
           which is not an Insulation Business Undertaking) in cash (and to make
           payment thereof) to the Vendor as soon as reasonable practical after
           the determination of the final form of the Completion Account
           Documents (and in any event within such 3 month period); and

     provided that any such amount under sub-clause 4.4.4 or sub-clause 4.4.5
     shall continue to accrue interest in accordance with this sub-clause 4.4
     until the date of actual payment).

4.5  In the event that the net effect of the adjustments in paragraphs 3.2 and
     3.3 of Schedule 7 in relation to Debt or Cash (other than in relation to
     Armstrong China or Armstrong Poland) shall require either:

     4.5.1 a net decrease in the Purchase Price that exceeds any net decrease in
           the Purchase Price provided for at Completion in the Estimate;

     4.5.2 a net decrease in the Purchase Price when the Estimate at Completion
           provided for a net increase in the Purchase Price; or
<PAGE>

     4.5.3 a net increase in the Purchase Price that is less than any net
           increase in the Purchase Price provided for at Completion in the
           Estimate;

     (in this sub-clause 4.5 any such difference being the "Difference"), or, as
     the case may be, in the event that the Completion Group Net Assets shall be
     less than the Target Group Net Assets (the "Shortfall"), then an amount
     equal to that Difference or, as the case may be, the Shortfall, together
     with any amount payable by the Vendor to the Purchaser pursuant to
     paragraph 5 of Schedule 3 (in each case, together with interest thereon
     calculated at the Interest Rate and on a daily basis in respect of the
     period from Completion to the date of actual payment) shall be paid by the
     Vendor to the Purchaser (by electronic transfer for receipt in, free of
     all costs, deductions and charges, to such account as the Purchaser shall
     nominate for this purpose) within 5 Business Days of the determination of
     the final form of the Completion Account Documents in accordance with
     clause 6.

4.6  Without prejudice to sub-clauses 4.3 to 4.5 (inclusive) and sub-clauses
     4.11 to 4.14 (inclusive), the consideration payable for the sale of the
     Shares and Assets by the Vendor (or a member of its Group) to the Purchaser
     (or a member of its Group) shall, so far as lawful, be deemed to be reduced
     by an amount equal to the aggregate amount (if any) paid by the Vendor to
     the Purchaser as a consequence of any Relevant Claim or any claim under the
     Tax Deed (and any such reduction in consideration shall either be
     attributed to those Shares and Assets to which any such Relevant Claim or
     claim under the Tax Deed relates or as the Parties may otherwise agree).

4.7  The Purchase Price shall be apportioned between the Shares and Assets (and
     attributable to the Subsidiary) in accordance with the valuations set out
     in Schedule 1, save that in the event of any adjustment of the Purchase
     Price in accordance with sub-clause 4.4, sub-clause 4.5 and sub-clauses
     4.11 to 4.14 (inclusive) the Parties shall agree such consequential
     adjustments as shall be required to those valuations as are consistent
     therewith (or, failing any such agreement, either Party shall be entitled
     to refer the matter to be resolved by the Expert, in which event the
     provisions of sub-clauses 6.7 and 6.8 shall apply).

4.8  Not later than 5 Business Days prior to the date fixed for Completion, the
     Vendor shall notify the Purchaser in writing of its estimate (acting
     reasonably, together with such evidence as it may have in support of its
     calculation) of the Debt and of the Cash, other than to the extent that
     they relate to Armstrong China or Armstrong Poland, (the "Estimate").

4.9  The payment to be made by the Purchaser to the Vendor at Completion
     pursuant to sub-clause 4.2.1 shall be:-

     4.9.1 reduced by an amount equal to the estimate of the Debt, other than to
           the extent that they relate to Armstrong China or Armstrong Poland,
           set out in the Estimate; and

     4.9.2 increased by an amount, not exceeding 100,000, equal to the
           estimate of Cash, other than to the extent that they relate to
           Armstrong China or Armstrong Poland, set out in the Estimate.
<PAGE>

4.10 The relevant portion of the Purchase Price allocated to Armstrong USA,
     Armstrong UK, Armstrong Australia, Armstrong Hong Kong, Armstrong Germany,
     Armstrong Europa and any other entities that are disregarded as separate
     from their owner for US Federal income tax purposes (together the
     "Disregarded Entities") and to those of the Assets situated in the United
     States of America, as determined in accordance with sub-clause 4.7, shall
     be allocated to Armstrong USA, the Disregarded Entities and those Assets in
     accordance with Section 1060 of the US Internal Revenue Code, provided that
     if the Vendor and Purchaser are unable to agree to a final allocation
     pursuant to this sub-clause 4.10 on or prior to Completion (or such later
     date as the Parties may agree), such final allocation shall be prepared by
     the Purchaser based on an appraisal conducted by an independent appraiser
     chosen by the Purchaser. Each of the Parties shall report the federal,
     state and local and other tax consequences of the purchase and sale of
     Armstrong USA, the Disregarded Entities and those Assets (including the
     filing of Internal Revenue Service Form 8594) in a manner consistent with
     sub-clause 4.7 and this sub-clause 4.10. Each of the Parties shall not take
     (and shall procure that no members of its Group takes) a position (except
     as required pursuant to any order) on any tax return, before any
     governmental agency charged with the collection of any tax, or in any
     judicial proceeding, that is in any way inconsistent with the allocations
     determined in accordance with sub-clause 4.7 and this sub-clause 4.10.

4.11 In the event that the completion of the sale and purchase of the Armstrong
     China Shares shall take place prior to the determination of the final form
     of the Completion Account Documents in accordance with clause 6, not later
     than 5 Business Days prior to completion of the sale and purchase of the
     Armstrong China Shares the Vendor shall notify the Purchaser in writing of
     its estimate (acting reasonably, together with such evidence as it may have
     in support of its calculation) of the Debt and of the Cash in so far as
     they relate to Armstrong China (the "China Estimate") and the principal
     amount of the payment to be made by the Purchaser to the Vendor at
     completion of the sale and purchase of the Armstrong China Shares in
     accordance with sub-clause 5.6 shall be:

     4.11.1 reduced by an amount equal to the estimate of the Debt (in so far as
            it relates to Armstrong China) set out in the China Estimate; and

     4.11.2 increased by an amount equal to the estimate of Cash (in so far as
            it relates to Armstrong China) set out in the China Estimate.

     Thereafter, following the determination of the final form of the Completion
     Account Documents in accordance with clause 6, the consideration for the
     Armstrong China Shares shall be:

     4.11.3 reduced by an amount (if any) by which the actual Debt (in so far as
            it relates to Armstrong China) as stated in the Statement shall
            exceed the amount of such Debt set out in the China Estimate or by
            which the actual Cash (in so far as it relates to Armstrong China)
            as stated in the Statement shall be less than the amount of such
            Cash set out in the China Estimate; and

     4.11.4 increased by an amount (if any) by which the actual Debt (in so far
            as it relates to Armstrong China) as stated in the Statement shall
            be less than the amount of such Debt set out in the China Estimate
            or by which the actual Cash (in so far
<PAGE>

          as it relates to Armstrong China) as stated in the Statement shall
          exceed the amount of such Cash set out in the China Estimate;

     by the payment within 5 Business Days of the determination of the final
     form of the Completion Account Documents in accordance with clause 6 (in
     the event that the aggregate decrease (if any) under sub-clause 4.11.3
     shall be greater than the aggregate increase (if any) under sub-clause
     4.11.4) by the Vendor or (in the event that the aggregate decrease (if any)
     under sub-clause 4.11.3 shall be less than the aggregate increase (if any)
     under sub-clause 4.11.4) by the Purchaser of an amount in cash and equal to
     the difference between the aggregate decrease (if any) under sub-clause
     4.11.3 and the aggregate increase (if any) under sub-clause 4.11.4 (in
     either case, together with interest thereon calculated at the Interest Rate
     and on a daily basis in respect of the period from Completion to the date
     of actual payment).

4.12 In the event that the completion of the sale and purchase of the Armstrong
     China Shares shall take place after the determination of the final form of
     the Completion Account Documents in accordance with clause 6, the principal
     amount of the payment to be made by the Purchaser to the Vendor at
     completion of the sale and purchase of the Armstrong China Shares in
     accordance with sub-clause 5.6 shall be:

     4.12.1 reduced by an amount equal to the actual Debt (in so far as it
            relates to Armstrong China) as stated in the Statement; and

     4.12.2 increased by an amount equal to the actual Cash (in so far as it
            relates to Armstrong China) as stated in the Statement.

4.13 In the event that the completion of the sale and purchase of the Armstrong
     Poland Shares shall take place prior to the determination of the final form
     of the Completion Account Documents in accordance with clause 6, not later
     than 5 Business Days prior to completion of the sale and purchase of the
     Armstrong Poland Shares the Vendor shall notify the Purchaser in writing of
     its estimate (acting reasonably, together with such evidence as it may have
     in support of its calculation) of the Debt and of the Cash in so far as
     they relate to Armstrong Poland (the "Poland Estimate") and the principal
     amount of the payment to be made by the Purchaser to the Vendor at
     completion of the sale and purchase of the Armstrong Poland Shares in
     accordance with sub-clause 5.6 shall be:

     4.13.1 reduced by an amount equal to the estimate of the Debt (in so far as
            it relates to Armstrong Poland) set out in the Poland Estimate; and

     4.13.2 increased, subject to sub-clause 4.15.1, by an amount equal to the
            estimate of Cash (in so far as it relates to Armstrong Poland) set
            out in the Poland Estimate.

     Thereafter, following the determination of the final form of the Completion
     Account Documents in accordance with clause 6, the consideration for the
     Armstrong Poland Shares shall be:

     4.13.3 reduced by an amount (if any) by which the actual Debt (in so far as
            it relates to Armstrong Poland) as stated in the Statement shall
            exceed the amount of such Debt set out in the Poland Estimate or by
            which the actual Cash (in so far
<PAGE>

            as it relates to Armstrong Poland) as stated in the Statement shall
            be less than the amount of such Cash set out in the Poland Estimate;
            and

   4.13.4   increased by an amount (if any) by which the actual Debt (in so far
            as it relates to Armstrong Poland) as stated in the Statement shall
            be less than the amount of such Debt set out in the Poland Estimate
            or by which the actual Cash (in so far as it relates to Armstrong
            Poland) as stated in the Statement shall exceed the amount of such
            Cash set out in the Poland Estimate;

     by the payment within 5 Business Days of the determination of the final
     form of the Completion Account Documents in accordance with clause 6 (in
     the event that the aggregate decrease (if any) under sub-clause 4.13.1
     shall be greater than the aggregate increase (if any) under sub-clause
     4.13.2) by the Vendor or (in the event that the aggregate decrease (if any)
     under sub-clause 4.13.1 shall be less than the aggregate increase (if any)
     under sub-clause 4.13.2) by the Purchaser, subject to sub-clause 4.15.3, of
     an amount in cash and equal to the difference between the aggregate
     decrease (if any) under sub-clause 4.13.1 and the aggregate increase (if
     any) under sub-clause 4.13.2 (in either case, together with interest
     thereon calculated at the Interest Rate and on a daily basis in respect of
     the period from Completion to the date of actual payment).

4.14 In the event that the completion of the sale and purchase of the Armstrong
     Poland Shares shall take place after the determination of the final form of
     the Completion Account Documents in accordance with clause 6, the principal
     amount of the payment to be made by the Purchaser to the Vendor at
     completion of the sale and purchase of the Armstrong Poland Shares in
     accordance with sub-clause 5.6 shall be:

     4.14.1 reduced by an amount equal to the actual Debt (in so far as it
            relates to Armstrong Poland) as stated in the Statement; and

     4.14.2 increased, subject to sub-clauses 4.16.1 and 4.16.2, by an amount
            equal to the actual Cash (in so far as it relates to Armstrong
            Poland) as stated in the Statement.

4.15 In the event that the completion of the sale and purchase of the Armstrong
     Poland Shares shall take place prior to the determination of the final form
     of the Completion Account Documents in accordance with clause 6, for the
     purposes of sub-clause 4.13:

     4.15.1 in the event that the estimate of the Cash (in so far as it relates
            to Armstrong Poland) as stated in the Poland Estimate shall exceed
            100,000 less X (where X equals the estimate of the Cash (other
            than in so far as it relates to Armstrong China or Armstrong Poland)
            as stated in the Estimate), (any such excess being "Excess Polish
            Estimated Cash") the Purchaser shall be entitled to ignore any such
            Excess Polish Estimated Cash for the purposes of the estimate of the
            Cash in sub-clause 4.13.2;

     4.15.2 in the event that thereafter the actual Cash (in so far as it
            relates to Armstrong Poland) as stated in the Statement shall exceed
            100,000 less Y (where Y equals the actual Cash (other than in so
            far as it relates to Armstrong China or Armstrong Poland) as stated
            in the Statement), (any such excess being "Excess
<PAGE>

            Polish Cash") the Purchaser shall be entitled to delay payment of an
            amount equal to such Excess Polish Cash from any payment required in
            accordance with sub-clause 4.13 following the determination of the
            final form of the Completion Account Documents in accordance with
            clause 6 until the first anniversary of the determination of the
            final form of the Completion Account Documents in accordance with
            clause 6; and

     4.15.3 in the event that the net effect of all of the adjustments required
            by sub-clauses 4.13.2, 4.13.3 and 4.13.4 (in so far as they relate
            to Cash) would otherwise require an increase in the payments to be
            made by the Purchaser to the Vendor for the sale and purchase of the
            Armstrong Poland Shares of more than 10,000,000 less Y (where Y
            is an amount equal to the net effect of the adjustments in
            paragraphs 3.1.1 and 3.2 of Schedule 7) (such amount being the
            "Polish Maximum"), the increase shall be limited to the Polish
            Maximum.

4.16 In the event that the completion of the sale and purchase of the Armstrong
     Poland Shares shall take place after the determination of the final form of
     the Completion Account Documents in accordance with clause 6, for the
     purposes of sub-clause 4.14:

     4.16.1 in the event that the actual Cash (in so far as it relates to
            Armstrong Poland) as stated in the Statement shall exceed 100,000
            less X (where X equals the actual Cash (other than in so far as it
            relates to Armstrong China or Armstrong Poland) as stated in the
            Statement), (any such excess being "Excess Polish Cash") the
            Purchaser shall be entitled to delay payment of an amount equal to
            such Excess Polish Cash from any payment required in accordance with
            sub-clause 5.6 until the first anniversary of the determination of
            the final form of the Completion Account Documents in accordance
            with clause 6; and

     4.16.2 in the event that the adjustment required by sub-clause 4.14.2 would
            otherwise require an increase in the payment to be made by the
            Purchaser to the Vendor at completion of the sale and purchase of
            the Armstrong Poland Shares in accordance with sub-clause 5.6 of
            more than 10,000,000 less Y (where Y is an amount equal to the
            net effect of the adjustments in paragraphs 3.1.1 and 3.2 of
            Schedule 7) (such amount being the "Polish Maximum"), the increase
            shall be limited to the Polish Maximum.

4.17 For the purposes of sub-clauses 4.15 and 4.16, whenever any amount shall be
     required to be calculated by the subtraction of one number from another
     number, if any such equation shall produce a negative amount the relevant
     figure shall be deemed to be zero.

5.   COMPLETION

5.1  Save in the event of a failure to satisfy, or otherwise a breach of, either
     of the Conditions Precedent at sub-clauses 2.1.3 and 2.1.4 (which failure
     or breach is not waived in accordance with sub-clause 2.4), Completion
     shall take place at the offices of the Purchaser's Solicitors or, in
     relation to the sale and purchase of Shares in each Company other than
     Armstrong UK, at such offices as the Parties shall agree on the last
     Business Day of the calendar month following the later of:
<PAGE>

     5.1.1 the date on which the Condition Precedent at sub-clause 2.1.1 is
           satisfied; and

     5.1.2 the date on which the Condition Precedent at sub-clause 2.1.2 is
           satisfied;

     (or, if such date shall be less than 5 Business Days after the later of the
     date referred to in sub-clause 5.1.1 and the date referred to in sub-clause
     5.1.2, the last Business Day of the next calendar month), or at such other
     place or time as the Parties may agree.

5.2  At Completion:

     5.2.1  each of the Parties shall execute the Services Agreements, the
            Assignments, the Armstrong Name Licence and the Tax Deed;

     5.2.2  (subject to sub-clauses 5.4 to 5.6) the Vendor shall deliver the
            documents and ensure the performance of the matters set out in
            Schedule 5 in relation to each Insulation Business Undertaking and
            Asset and shall deliver the documents referred to in sub-clauses
            7.3.4 to 7.3.11 (inclusive);

     5.2.3  (to the extent not already done) the Parties shall each execute (and
            the Purchaser shall use its reasonable endeavours to procure that
            Morgan Stanley Senior Funding Inc shall execute) the Inter Creditor
            Deed;

     5.2.4  the Purchaser and the Vendor shall each provide written confirmation
            to the other that (so far as it is aware) the Condition Precedent at
            sub-clause 2.1.4 has been satisfied (or waived);

     5.2.5  the Vendor shall pay or, as the case may be, repay (or procure that
            the relevant member or members of its Group shall pay or, as the
            case may be, repay) all amounts owed by the Vendor's Group to any
            Insulation Business Undertaking as at Completion (including any
            amounts outstanding as at Completion, comprised in the line items
            "Due from affiliated companies non-current portion" (as set out in
            Schedule 11)), other than amounts arising from the sale and purchase
            of goods or services in the ordinary course of business, being the
            line item "Intercompany receivables" (as set out in Schedule 11);

     5.2.6  the Vendor shall release (and shall procure that the relevant member
            or members of its Group shall release) each Insulation Business
            Undertaking, and their respective officers and employees, from any
            liability whatsoever (actual or contingent) which may be owing to
            the Vendor's Group by any Insulation Business Undertaking, except to
            the extent:

            (A)  comprised within Debt;

            (B)  arising from the sale and purchase of goods or services in the
                 ordinary course of business; or

            (C)  provided in sub-clause 10.2 in relation to any liability of any
                 director or employee of an Insulation Business Undertaking for
                 fraud or fraudulent or wilful misrepresentation or wilful non-
                 disclosure.

     5.2.7  the Purchaser shall convene a meeting of its board of directors at
            which those directors shall approve and execute the Loan Note
            Instruments and allot the
<PAGE>

            Loan Notes, enter the name of the Vendor in each register of
            noteholders referred to in the Loan Note Instruments and issue loan
            note certificates to the Vendor in respect of the Series A Loan
            Notes and the Series B Loan Notes referred to in sub-clause 4.2;

     5.2.8  (subject to sub-clauses 4.2.4, 4.2.5 and 4.9) the Purchaser shall
            pay 217,704,000 and US$ 36,898,000 (by electronic transfer for
            receipt in and US$ respectively, free of all costs, deductions and
            charges, to such account(s) as the Vendor shall nominate for this
            purpose); and

     5.2.9  the Parties shall request Morgan Stanley Senior Funding Inc to
            confirm the rate for EURIBOR.

5.3  Without prejudice to sub-clause 5.2 (but subject to sub-clauses 5.4 to
     5.6), where necessary for the purposes of the matters set out in Schedule
     5, at Completion the Vendor shall procure that a meeting shall be held of
     the officers or members (as necessary) of each Insulation Business
     Undertaking to perform or approve the matters set out in Schedule 5 in
     relation to that Insulation Business Undertaking.

5.4  Subject to sub-clause 5.6, in the event that the Chinese Condition
     Subsequent has not been satisfied by Completion, the sale and purchase of
     the Armstrong China Shares shall not take place at Completion (but in any
     such case the matters set out in Schedule 5 under the heading "China (1)"
     in relation to Armstrong China shall still take place on Completion,
     whereas completion of the sale and purchase of the Armstrong China Shares
     (and the matters set out in Schedule 5 under the heading "China (2)" in
     relation to Armstrong China) shall take place on the 5th Business Day
     following the satisfaction of the Chinese Condition Subsequent).

5.5  Subject to sub-clause 5.6, in the event that the Polish Condition
     Subsequent has not been satisfied by Completion, the sale and purchase of
     the Armstrong Poland Shares shall not take place at Completion and in so
     far as they relate to Armstrong Poland (or the Armstrong Poland Shares) the
     matters provided for in sub-clauses 5.2 and 5.3 and Schedule 5 shall not
     take place at Completion (but in any such case completion of the sale and
     purchase of the Armstrong Poland Shares, and the matters relating thereto
     in sub-clauses 5.2 and 5.3 and in Schedule 5 shall take place on the 5th
     Business Day following the satisfaction of the Polish Condition
     Subsequent).

5.6  In the event that the sale and purchase of the Armstrong China Shares or
     the Armstrong Poland Shares shall not take place at Completion the amount
     of the Purchase Price attributed to the Armstrong China Shares or the
     Armstrong Poland Shares (as the case may be) in Schedule 1 shall be
     retained by the Purchaser until the completion of the sale and purchase of
     the Armstrong China Shares or the Armstrong Poland Shares (as the case may
     be) by the retention of the relevant amount of [x] from cash otherwise due
     to be paid at Completion (and specified in sub-clauses 4.2.4 or 4.2.5, as
     the case may be) provided that in the event of the subsequent completion of
     the sale and purchase of the Armstrong China Shares or the Armstrong Poland
     Shares (as the case may be) any cash that has been retained in respect of
     those shares (as adjusted in accordance with sub-clauses 4.11 to 4.14
     (inclusive)) shall be paid to the Vendor (in each case, together with
     interest thereon calculated at the Interest Rate and
<PAGE>

     on a daily basis in respect of the period from Completion to the date of
     actual payment).

6.   completion accounts

6.1  The Purchaser and the Vendor shall use all reasonable endeavours to procure
     that promptly after Completion, each Insulation Business Undertaking shall
     prepare draft Completion Accounts for that Insulation Business Undertaking,
     in accordance with the procedures set out in Schedules 7 and 11 and
     otherwise on the basis of the Accounting Policies, as soon as practical
     (and in any event within 90 days) after Completion.

6.2  The Purchaser shall procure that draft Group Completion Accounts shall be
     prepared and shall be delivered to the Vendor and the Vendor's Accountants,
     together with:

     6.2.1  the draft Completion Accounts referred to in sub-clause 6.1; and

     6.2.2  a statement (the "Statement") setting out:

           (A)  the Completion Group Net Assets;

           (B)  the Debt (other than in so far as it relates to Armstrong China
                or Armstrong Poland), the Debt (in so far as it relates to
                Armstrong China) and the Debt (in so far as it relates to
                Armstrong Poland); and

           (C)  the Cash (other than in so far as it relates to Armstrong China
                or Armstrong Poland), the Cash (in so far as it relates to
                Armstrong China) and the Cash (in so far as it relates to
                Armstrong Poland);

            in each case, as derived from the Group Completion Accounts

     6.2.3  a completed tax package in the Vendor's customary form (as supplied
            to the Purchaser by the Vendor on or before the date of this
            Agreement);

     (together all such draft documents being the "Completion Account
     Documents") within 14 days after the preparation of the draft Completion
     Accounts referred to in sub-clause 6.1.

6.3  The Parties shall use all reasonable endeavours to procure that each Party
     (and the Purchaser's Accountants and the Vendor's Accountants) shall each
     be given all reasonable assistance (and access to documents, information
     and working papers) by each person, Insulation Business Undertaking, the
     Purchaser's Accountants and the Vendor's Accountants as it may reasonably
     require in order to prepare, review and agree the Completion Account
     Documents.

6.4  The Vendor shall notify the Purchaser (within 60 days of receipt by the
     Vendor and the Vendor's Accountants of the Completion Account Documents)
     whether it agrees with the Completion Account Documents and, if it does
     not, such notification shall give reasonable details of any aspects of
     those draft documents with which it disagrees and the adjustments which, in
     the Vendor's opinion, should be made (the "Vendor's Notice" and "Disputed
     Details" respectively). If the Vendor is satisfied with the Completion
     Account Documents, either as originally submitted or after adjustments

<PAGE>

     agreed between the Vendor and the Purchaser, (or if the Vendor fails to
     notify the Purchaser of any Disputed Details within the 30 day period
     referred to in this sub-clause 6.4) then those draft documents shall
     comprise the final form Completion Accounts, Group Completion Accounts and
     the Statement for the purposes of this Agreement and the Completion Group
     Net Assets, Debt and Cash shall be as set out therein.

6.5  In the event that the Vendor's Notice shall give details of any Disputed
     Details, the Parties shall (where necessary in conjunction with the
     Purchaser's Accountants and the Vendor's Accountants) meet and discuss the
     Disputed Details in order to seek to reach agreement upon such adjustments
     (if any) to the Completion Account Documents as are acceptable to the
     Vendor and the Purchaser in order to put such draft documents in final
     form.

6.6  If the Purchaser and the Vendor are unable to resolve all matters in
     dispute, in the manner anticipated by sub-clause 6.5, within 30 days
     following the delivery of the Vendor's Notice to the Purchaser, the matters
     in dispute (but only those) shall be referred on the application of either
     the Vendor or the Purchaser to the Expert for resolution by the Expert
     stating what adjustments (if any) are necessary to the Completion Account
     Documents in order to put such draft documents in final form.

6.7  In giving any decision anticipated by this Agreement:

     6.7.1  the Purchaser (or the Purchaser's Accountants) and the Vendor (or
            the Vendor's Accountants) shall each promptly prepare a written
            statement on the matters in dispute which (together with any
            relevant documents) shall be submitted to the Expert;

     6.7.2  the Purchaser and the Vendor shall use all reasonable endeavours to
            procure that the Expert is given such reasonable assistance and such
            access to documents and other information as it may reasonably
            require in order to give its decision;

     6.7.3  the Expert shall be requested to give its decision, with reasons
            therefor, within 30 days of receiving notice from either Party of
            its appointment;

     6.7.4  (save in the case of manifest error) the decision by the Expert
            shall be final and binding on all concerned and shall be given by
            the Expert acting as an expert and not as an arbitrator;

     6.7.5  the Expert shall be entitled to take into account such evidence and
            information as the Parties shall have put forward or the Expert
            shall consider appropriate.

6.8  Any costs incurred by the Expert pursuant to the provisions of this
     Agreement shall be borne by the Vendor and the Purchaser in such
     proportions as the Expert shall determine in its absolute discretion (or,
     in the absence of any such determination, by the Vendor and the Purchaser
     in equal amounts).

6.9  The costs of the Purchaser's Accountants (and other advisers appointed by
     the Purchaser) incurred pursuant to the provisions of this clause 6 shall
     be borne by the Purchaser, whereas the costs of the Vendor's Accountants
     (and other advisers
<PAGE>

     appointed by the Vendor) incurred pursuant to the provisions of this clause
     6 shall be borne by the Vendor.

7.   PRE COMPLETION UNDERTAKINGS

7.1  From the date hereof to Completion, the Vendor shall:

     7.1.1  (subject to the matters requiring consent in accordance with sub-
            clause 7.1.4) cause each Insulation Business Undertaking to continue
            to carry on business in the normal course and in substantially the
            same manner that such business has been carried on during the 12
            months immediately prior to the date hereof so as to maintain its
            business as a going concern;

     7.1.2  procure that each Insulation Business Undertaking shall take all
            reasonable steps to preserve and protect its business and assets
            (including its goodwill and reputation);

     7.1.3  procure that the Purchaser and its advisers (and any other person
            reasonably authorised by the Purchaser for the purposes of this
            Agreement and the matters anticipated by it, but excluding for the
            avoidance of doubt anyone involved in any business that may compete
            with the Insulation Business) are given (on request) such facilities
            and access, at such times as the Purchaser may reasonably require,
            to the Properties, Senior Management, books, records and information
            regarding the business, assets, liabilities and affairs of each
            Insulation Business Undertaking, in each case as the Purchaser may
            reasonably require;

     7.1.4  procure that without the prior consent of the Purchaser (in the case
            of sub-clause (E), such consent not to be unreasonably withheld or
            delayed or made the subject of any unreasonable conditions), no
            Insulation Business Undertaking shall:

            (A)  create, extend, grant or issue any Encumbrance (in each case,
                 other than arising by operation of law, including any lien or
                 reservation of title arising in the ordinary course of its
                 business as carried on in the 3 months immediately prior to the
                 date of this Agreement);

            (B)  give or enter into any guarantee, indemnity or security in
                 respect of any liabilities of any third party (in each case,
                 other than in the ordinary course of the Insulation Business as
                 carried on by that Insulation Business Undertaking in the 3
                 months immediately prior to the date of this Agreement);

            (C)  create, allot, issue, acquire, reduce, repay or redeem any
                 shares or securities convertible into shares or grant any
                 option in respect of any shares or securities convertible into
                 shares or acquire an interest in an undertaking (in each case,
                 other than as specifically contemplated in or specifically
                 required as part of the matters set out in, Schedule 6);

            (D)  pass any resolution by its members in general meeting or make
                 any alteration to its memorandum or articles of association or,
                 in relation to
<PAGE>

                 any Insulation Business Undertaking incorporated outside the
                 United Kingdom, similar constitutional document (in each case,
                 other than as specifically contemplated in or specifically
                 required as part of the matters set out in, Schedule 6);

            (E)  pay any creditors otherwise than in the ordinary course of its
                 business as carried on in the 3 months immediately prior to the
                 date of this Agreement (or make any material change to its
                 policy in relation to the payment of creditors);

            (F)  enter into, materially amend or terminate any material contract
                 (including any contract with a Substantial Customer or a
                 Substantial Supplier or otherwise falling within the Warranty
                 at paragraph 5.1 of part 1 of Schedule 2) otherwise than in the
                 ordinary course of its business as carried on in the 3 months
                 immediately prior to the date of this Agreement;

            (G)  enter into any material contract (including any contract with a
                 Substantial Customer or a Substantial Supplier or otherwise
                 falling within the Warranty at paragraph 5.1 of part 1 of
                 Schedule 2) other than on an arm's length basis and for its own
                 benefit (in each case, other than as specifically contemplated
                 in or specifically required as part of the matters set out in
                 Schedule 6);

            (H)  sell or transfer or otherwise dispose of any interest in any
                 shares or other securities of any undertaking or any business
                 or asset (in each case, other than in the ordinary course of
                 the Insulation Business as carried on by that Insulation
                 Business Undertaking in the 3 months immediately prior to the
                 date of this Agreement or as specifically contemplated in or
                 specifically required as part of the matters set out in
                 Schedule 6);

            (I)  purchase or otherwise acquire any interest in any shares or
                 other securities of any undertaking or any business or asset
                 (in each case, other than in the ordinary course of the
                 Insulation Business as carried on by that Insulation Business
                 Undertaking in the 3 months immediately prior to the date of
                 this Agreement or as specifically contemplated in or
                 specifically required as part of the matters set out in
                 Schedule 6);

            (J)  incur any liability or obligation to pay any material
                 management or consultancy charges after Completion (in each
                 case, other than in the ordinary course of the Insulation
                 Business as carried on by that Insulation Business Undertaking
                 in the 3 months immediately prior to the date of this
                 Agreement);

            (K)  enter into any joint venture, consortium or partnership
                 agreement;

            (L)  enter into any material arrangement for selling or discounting
                 receivables or otherwise factor any of its debts;
<PAGE>

            (M)  disclose to any third party any know-how, secrets, confidential
                 information, lists of customers or suppliers (in each case,
                 other than in the ordinary course of the Insulation Business as
                 carried on by that Insulation Business Undertaking in the 3
                 months immediately prior to the date of this Agreement);

            (N)  commence, settle, release, discharge or compound any
                 litigation, arbitration, prosecution or other legal proceedings
                 (in each case, other than in relation to the recovery of debts
                 in the ordinary course of the Insulation Business as carried on
                 by that Insulation Business Undertaking in the 3 months
                 immediately prior to the date of this Agreement of less than
                 200,000);

            (O)  fail to pay any premium falling due for payment by that
                 Insulation Business Undertaking under any policy of insurance
                 or do or omit to do anything which renders any of those
                 policies void or voidable or which the Vendor is (or ought
                 reasonably to be) aware will prejudice the ability of that
                 Insulation Business Undertaking to effect equivalent insurance
                 on renewal at (or during the 3 month period after) Completion;

            (P)  remove its current auditors;

            (Q)  make or enter into any agreement to make any capital
                 expenditure exceeding in total 200,000;

            (R)  declare, pay or make a dividend or distribution (other than as
                 specifically contemplated in or as specifically required as
                 part of the matters set out in Schedule 6);

            (S)  in relation to each of the Properties:

                 (1)  change its existing use;

                 (2)  terminate, or give a notice to terminate, a lease, tenancy
                      or licence;

                 (3)  (other than as specifically contemplated in or as
                      specifically required as part of the matters set out in,
                      Schedule 6) apply for consent to do something requiring
                      consent under a lease, tenancy or licence;

                 (4)  approve an application by a tenant, licensee or occupier
                      to do something requiring its consent under a lease,
                      tenancy or licence;

                 (5)  agree a new rent or fee payable under a material lease,
                      tenancy or licence;

            (T)  either:
<PAGE>

                (1)   amend the terms of employment or engagement of a director
                      or other officer of an Insulation Business Undertaking
                      (except in the usual course of the Insulation Business as
                      carried on by that Insulation Business Undertaking in the
                      3 months immediately prior to the date of this Agreement);
                      or

                (2)   employ, engage, or terminate the employment or engagement
                      of any director or officer; or

                (3)   provide, or agree to provide, an ex gratia payment or
                      benefit to a director or officer of an Insulation Business
                      Undertaking; or

                (4)   amend the terms of employment or engagement of the
                      Employees generally or with regard to any category or
                      group of Employees (or make an ex gratia payment to any
                      such persons);

            (U)  materially amend the terms of any borrowing or indebtedness in
                 the nature of borrowing or create, incur, or agree to create or
                 incur, any borrowing or indebtedness in the nature of borrowing
                 (in each case, except where any such borrowing or indebtedness
                 will be repaid prior to Completion);

            (V)  materially amend or discontinue (wholly or partly) a Disclosed
                 Scheme or exercise a material discretion in relation to a
                 Disclosed Scheme (in each case in so far as it relates to any
                 Employees) unless any relevant legislation or regulatory
                 requirements so require;

            (W)  enter into a material agreement or obligation in which the
                 Vendor (or a member of its Group) or a director of, or person
                 connected with, any of them is interested and under which any
                 person shall have any material obligations outstanding after
                 Completion;

            (X)  incur any material liability under Environmental Law including
                 by way of breach of Environmental Law or Environmental Consents
                 and including agreeing with a regulatory authority to a
                 material amendment, revocation, grant, suspension of an
                 Environmental Consent;

            (Y)  enter into any legally binding agreement (or similar
                 arrangement which cannot be terminated or withdrawn from
                 without any obligation arising on the part of, or liability or
                 expense being incurred by, an Insulation Business Undertaking)
                 to do anything prohibited by this sub-clause 7.1.4.

7.2  From the date hereof to Completion, the Purchaser shall (and shall procure
     that each member of its Group shall) not (without the prior consent of the
     Vendor):

     7.2.1  participate in the management or operation of the business or
            affairs of any Company or Subsidiary (save as anticipated by sub-
            clause 7.1); or
<PAGE>

     7.2.2  contact or communicate with any Employee (other than the Senior
            Management).

7.3  Without prejudice to any other provision of this clause 7 (and save to the
     extent already performed by the date hereof), the Parties undertake to use
     reasonable endeavours to procure that, prior to Completion (or, in the case
     of sub-clauses 7.3.1, 7.3.2 and 7.3.3 only, 31 December 2000), the
     following Insulation Business Undertakings shall enter into the following
     agreements or arrangements on terms approved by both Parties (acting
     reasonably);

     7.3.1  Armstrong Poland shall transfer any salesman employed by it at the
            date hereof who is not wholly or mainly engaged in the Insulation
            Business to a member of the Vendor's Group (pending which Armstrong
            Poland shall continue to employ any such person and to charge a
            member of the Vendor's Group for the services of any such person on
            bases and practices consistent with those in place at the date
            hereof);

     7.3.2  a member of the Vendor's Group shall transfer any salesman employed
            by it at the date hereof who is wholly or mainly engaged in the
            Insulation Business in Canada to such member of the Purchaser's
            Group as the Purchaser may nominate (pending which a member of the
            Vendor's Group shall continue to employ any such person and to
            charge Armstrong USA or such member of the Purchaser's Group as the
            Purchaser may nominate for the services of any such person on bases
            and practices consistent with those in place at the date hereof);

     7.3.3  a member of the Vendor's Group shall transfer any salesman employed
            by it at the date hereof who is wholly or mainly engaged in the
            Insulation Business in India to such member of the Purchaser's Group
            as the Purchaser may nominate (pending which a member of the
            Vendor's Group shall continue to employ any such person and to
            charge Armstrong UK or such member of the Purchaser's Group as the
            Purchaser may nominate for the services of any such person on bases
            and practices consistent with those in place at the date hereof);

     7.3.4  Armstrong USA shall accept the transfer of the benefit and burden of
            any manufacturing agreement in force at the date hereof between AWI
            and Nomaco Inc;

     7.3.5  Armstrong Germany shall accept the transfer of the benefit and
            burden of any manufacturing agreement in force at the date hereof
            between Armstrong Benelux and NMC SA;

     7.3.6  Armstrong USA shall enter into an agreement with WW Henry Inc. for
            the sale and purchase of glue used by Armstrong USA in the
            manufacture of products in the Insulation Business;

     7.3.7  Armstrong Germany shall accept the transfer of the benefit and
            burden of a consultancy agreement dated 10 September 1992 in force
            on the date hereof between Armstrong Europe Services and Ruedi
            Birchler in the agreed terms;
<PAGE>

     7.3.8  Armstrong USA shall enter into and AWI will enter into the Storage
            Agreement in the form attached at Schedule 4 of the facilities at
            Marietta, Pennsylvania as soon as reasonably practicable;

     7.3.9  (as soon as reasonably practical) Armstrong UK shall enter into and
            AWI will grant a sub-lease of the facilities at Uxbridge, Middlesex
            in accordance with the terms referred to in Schedule 4 and such
            other terms as may be agreed between the Parties (acting
            reasonably);

     7.3.10 (as soon as reasonably practical) Armstrong Australia shall enter
            into and AWI will grant a lease of the facilities at Braeside,
            Victoria and a lease of the facilities at Thomastown, Victoria, in
            each case in the agreed terms and in the form attached in Schedule
            4;

     7.3.11 Armstrong USA shall be granted a license by WW Henry Inc to use the
            Taggant patent in relation to the Insulation Business in the agreed
            terms;

     and that any consents, approvals or permissions that are necessary or
     desirable for either Party or an Insulation Business Undertaking in
     relation to any such agreement are obtained prior to Completion.

7.4

     7.4.1  The Parties undertake to use reasonable endeavours to procure after
            Completion (if not done before) that the leases and other agreements
            referred to in sub-clauses 7.3.8, 7.3.9 and 7.3.10 are entered into
            and that any necessary consents, approvals or permissions in
            relation to the same.

     7.4.2  In relation to the sub-lease to be entered into pursuant to
            sub-clause 7.3.9:

            (A) the Vendor shall forthwith apply for and use reasonable
                endeavours to procure the grant of the reversioner's consent to
                the grant of the sub- lease provided that the Vendor shall not
                by reason of this obligation be obliged to institute or threaten
                proceedings for a declaration that the reversioner's consent is
                being unreasonably withheld nor shall the Vendor be required to
                comply with any requirement or condition imposed by the
                reversioner unless it is reasonable for the Vendor to do so; and

           (B)  the Purchaser shall supply all information reasonably required
                by the reversioner in connection with the application for
                consent and to comply with all proper requirements which the
                reversioner may be entitled to impose on any underlessee as a
                condition of the grant of consent to sub-let.

     7.4.3 The Vendor shall obtain and place on deposit at HM Land Registry the
           charge certificate relating to the land comprised in title number LA
           135318 or shall procure that the chargee shall place on deposit the
           charge certificate and shall give the deposit number to the Purchaser
           as soon as received and provide such information as may be requested
           and respond to such requisitions as may be raised by HM Land Registry
           in connection with the registration of the transfer

<PAGE>

           of the land comprising title number LA 135318 from Armstrong World
           Industries Limited to Armstrong UK.

7.5  Disputes

     7.5.1 If any dispute or difference shall arise between the Parties as to
           the terms and/or provisions of the leases referred to in sub-clauses
           7.3.8 to 7.3.10 or as to any matter arising out of or in connection
           with the same such dispute or difference shall if any Party so
           requires at any time by notice served on the other Party (the
           "Determination Notice") be referred to and determined by an
           independent person (the "Independent Person") who shall have been
           qualified in respect of the general subject matter of the dispute or
           difference in the relevant jurisdiction for not less than ten years
           and who shall be a specialist in relation to such subject matter.

     7.5.2 The Independent Person shall be appointed by agreement between the
           Parties or (if within ten 10) Working Days after service of the
           Determination Notice the Parties have been unable to agree) on the
           application of either of the Parties by such one of the following
           persons as the Parties shall agree to be appropriate having regard to
           the nature of the dispute or difference in question

           (A)  the Chairman for the time being of the Bar Council;

           (B)  the President for the time being of the Royal Institute of
                British Architects;

           (C)  the President for the time being of the Royal Institution of
                Chartered Surveyors;

           (D)  the President for the time being of the Institute of Chartered
                Arbitrators;

           (E)  the President for the time being of the Institute of Chartered
                Accountants in England and Wales;

           (F)  the Present for the time being of the Law Society

           or (in each such case) the duly appointed deputy of such President or
           any other person authorised by him to make appointments on his behalf
           or (in relation to any jurisdiction outside the United Kingdom) the
           equivalent in such jurisdiction.

     7.5.3 If within fifteen (15) Working Days after service of the
           Determination Notice the Parties have been unable to agree which of
           the persons referred to in sub-clause 7.5.2 is appropriate to appoint
           the Independent Person, then the Independent Person shall be
           appointed, on the application of either of the Parties by the
           President for the time being of the Law Society or his duly appointed
           deputy or any other person authorised by him to make appointments on
           his behalf or (in relation to any jurisdiction outside the United
           Kingdom) the equivalent in such jurisdiction.
<PAGE>

     7.5.4 The Independent Person to be appointed under this sub-clause 7.5
           shall act as an expert and the following provisions shall have
           effect:-

           (A)  the Independent Person shall act as an expert and not as an
                arbitrator and his decision shall be final and binding upon the
                bodies hereto;

           (B)  the Independent Person shall consider (inter alia) any written
                representations made on behalf of any Party (if made reasonably
                promptly) but shall not be bound hereby;

           (C)  the Parties shall use all reasonable endeavours to procure that
                the Independent Person shall give his decision as speedily as
                possible;

           (D)  the costs of appointing the Independent Person and his costs and
                disbursements in connection with his duties under this Agreement
                shall be shared between the Parties in such proportions as the
                Independent Person shall determine or in the absence of such
                determination then equally between the Parties; and

           (E)  if the Independent Person shall be or become unable or unwilling
                to act then the procedure herein before contained for the
                appointment of an expert may be repeated as often as necessary
                until a decision is obtained.

7.6  In the period prior to Completion and for a period of 1 year after
     Completion the Vendor shall use reasonable endeavours to:

     7.6.1 assign to the Purchaser (or a member of its Group) the benefit of any
           confidentiality agreements which are either referred to in the
           Disclosure Letter as being of continuing commercial significance or
           relate to the Insulation Business and are the subject of a specific
           written request for assignment by the Purchaser to the Vendor prior
           to or at any time within 9 months after Completion;

     7.6.2 ensure compliance with its obligations in sub-clause 17.4 at
           Completion; and

     7.6.3 assign to the Purchaser (or a member of its Group) the benefit of the
           contract (number 7ONANB2H1260) between "The National Institute of
           Scientific and Technical (ATP)" and the Vendor if a material part of
           this Agreement relates to the Insulation Business.

7.7

     7.7.1 Armstrong USA shall complete and the Vendor shall complete the
           general warranty deed in the form attached in Schedule 4 in relation
           to the land being lots 416 and 417 2nd District 3rd Section Paulding
           County City of Dallas Georgia prior to Completion.

     7.7.2 Armstrong USA shall complete and the Vendor shall complete an
           assignment of each of the leases relating to 507 Mattress Factory
           Road, Mebane and 708 Mattress Factory Road, Mebane North Carolina
           respectively from the Vendor to Armstrong USA prior to Completion in
           the form attached at Schedule 4.
<PAGE>

     7.7.3 The Vendor shall procure that all necessary consents, approvals or
           permissions required to enable the transfer and assignment detailed
           in sub- clauses 7.7.1 and 7.7.2 to be completed are available prior
           to Completion.

7.8  The Purchaser undertakes to the Vendor that at Completion it will establish
     a specific facility with Morgan Stanley Senior Funding Inc that will ensure
     that Morgan Stanley Senior Funding Inc will provide the Purchaser (subject
     to the Purchaser being in compliance with the obligations under the
     Facility Agreement) on demand with:

     7.8.1 (without the need to satisfy any drawdown criteria) at least
           [_]11,296,000 in cash in [_]; and

     7.8.2 a bank guarantee for at least [_]2,500,000;

     both to be available to the Purchaser solely for the purposes of the
     completion of the sale and purchase of the Armstrong China Shares or the
     Armstrong Poland Shares (as the case may be).

8.   Post completion undertakings

8.1  The Vendor shall procure that any guarantee or indemnity, debenture, charge
     or other form of security or Encumbrance that has been provided for its
     benefit or the benefit of any member of its Group by an Insulation Business
     Undertaking shall be released on Completion (without any cost to the
     Purchaser or any member of its Group) and pending (or in the absence of)
     any such release the Vendor shall indemnify the Purchaser (and each member
     of its Group) against all actions, claims, proceedings, losses, damages,
     liabilities, costs and expenses (including fines, penalties, damages,
     losses and legal and other professional fees) that the Purchaser (or any
     member of its Group) may suffer or incur or which may be made against the
     Purchaser (or any member of its Group) in connection with any such
     guarantee or indemnity, debenture, charge or other form of security or
     Encumbrance.

8.2  The Purchaser shall procure that any guarantee or indemnity, debenture,
     charge or other form of security or Encumbrance that has been provided for
     the benefit of any Insulation Business Undertaking by the Vendor or any
     member of its Group (details of all of which are referred to in the
     Disclosure Letter in relation to the Warranty at paragraph 3.4 of part 1 of
     Schedule 2) shall be released as soon as practical after Completion
     (without any cost to the Vendor or any member of its Group) and pending (or
     in the absence of) any such release the Purchaser shall indemnify the
     Vendor (and each member of its Group) against all actions, claims,
     proceedings, losses, damages, liabilities, costs and expenses (including
     fines, penalties, damages, losses and legal and other professional fees)
     that the Vendor (or any member of its Group) may suffer or incur or which
     may be made against the Vendor (or any member of its Group) in connection
     with any such guarantee or indemnity, debenture, charge or other form of
     security or encumbrance.

8.3  The Purchaser shall procure that:

     8.3.1 as soon as practical (and in any event within 90 or, in the event
           that the Purchaser shall not have received reasonable assurance that
           it will be entitled to use the "Armacell" name in relation to the
           Insulation Business throughout
<PAGE>

           the EU after Completion, 180 days) after Completion, each and any
           Insulation Business Undertaking (other than Armstrong China and
           Armstrong Poland) that is registered or incorporated at Completion
           using the name "Armstrong" (or any name confusingly similar thereto,
           but excluding, for the avoidance of doubt, the names "Armaflex",
           "Armacell" or any other of the trade marks listed in Schedule 9)
           shall change such registration or incorporation to remove the name
           "Armstrong" (and any such confusingly similar name); and

     8.3.2 after Completion no member of the Purchaser's Group (including,
           without limitation, any Insulation Business Undertaking other than
           Armstrong China and Armstrong Poland) shall carry on any business or
           affairs using the name "Armstrong" (or any name confusingly similar
           thereto, but excluding for the avoidance of doubt the names
           "Armaflex", "Armacell" or any other of the trade marks listed in
           Schedule 9), otherwise than in accordance with the Armstrong Name
           Licence.

8.4  The Purchaser shall procure that:

     8.4.1 as soon as practical (and in any event (in so far as it is able so to
           do) within 90 days) after completion of the sale and purchase of the
           Armstrong China Shares or the Armstrong Poland Shares (as the case
           may be) Armstrong China or Armstrong Poland (as the case may be), if
           it is then registered or incorporated using the name "Armstrong" (or
           any name confusingly similar thereto, but excluding, for the
           avoidance of doubt, the names "Armaflex", "Armacell" or any other of
           the trade marks listed in Schedule 9), shall change such registration
           or incorporation to remove the name "Armstrong" (and any such
           confusingly similar name); and

     8.4.2 after Completion Armstrong China or Armstrong Poland (as the case may
           be) shall not carry on any business or affairs using the name
           "Armstrong" (or any name confusingly similar thereto, but excluding
           for the avoidance of doubt the names "Armaflex", "Armacell" or any
           other of the trade marks listed in Schedule 9), otherwise than in
           accordance with the Armstrong Name Licence.

8.5  The Vendor acknowledges that, immediately following Completion (or in the
     case of the Armstrong China Shares or the Armstrong Poland Shares, the
     completion of the sale and purchase of those shares) and until such time as
     each transfer of Shares has been registered in the register of members of
     the relevant Company, the Vendor will (and will procure that the relevant
     member or members of the Vendor's Group will):-

     8.5.1 hold those shares registered in its name on trust for and as nominee
           for the Purchaser (or its nominee(s)) (and, if so required by the
           Purchaser, will execute, or procure that the relevant member of its
           Group executes a declaration of trust (in such form as the Purchaser
           may reasonably require) to that effect) and undertakes to hold all
           dividends and distributions paid, made or declared after Completion
           and exercise all voting rights available in respect of those shares
           in accordance with the directions of the Purchaser (or its
           nominee(s)) (and the Purchaser undertakes to use its reasonable
           endeavours to procure that each transfer of those shares shall be
           registered in the register of members of the relevant Company as soon
           as reasonably practicable after
<PAGE>

           Completion (or in the case of Armstrong China Shares or the Armstrong
           Poland Shares, the completion of the sale and purchase of those
           shares) and if the Vendor (or any such member of its Group) is in
           breach of the undertakings contained in this clause 8.5 the Vendor
           (on behalf of itself and each relevant member of its Group)
           irrevocably authorises the Purchaser to appoint any person or persons
           to execute all instruments or proxies (including consents to short
           notice) or other documents which the Purchaser may reasonably require
           and which may be necessary to enable the Purchaser (or its
           nominee(s)) to attend and vote at general meetings of the relevant
           Company and to do any thing or things necessary to give effect to the
           rights contained in this clause 8.5;

     8.5.2 comply, and procure compliance by any relevant member of its Group,
           with all reasonable requests of the Purchaser (including requests for
           information) in relation to such shares to the extent that it is able
           to do so in compliance with applicable laws and regulations;

     8.5.3 comply, and procure compliance by any relevant member of its Group,
           with requests of the Purchaser in relation to the exercise of
           shareholders' rights in respect of the shares which are not
           transferred to the Purchaser at Completion;

     8.5.4 use, and procure that any relevant member of its Group uses, its
           votes in general meeting or, where relevant, the votes of its
           representatives at board meetings of the relevant Company (save where
           precluded by applicable laws or regulations) to procure that there
           shall be appointed or removed as directors of each such Company such
           person or persons as may from time to time be nominated by the
           Purchaser as its representatives.

8.6

     8.6.1 After Completion the Parties shall each use all reasonable endeavours
           to procure the satisfaction of the Chinese Condition Subsequent and
           the Polish Condition Subsequent by the Final Longstop Date at the
           latest.

     8.6.2 In the event that either the Chinese Condition Subsequent or the
           Polish Condition Subsequent (or both) has not been satisfied by the
           Final Longstop Date then the Vendor shall (and shall procure that the
           relevant members of its Group shall) use all reasonable endeavours to
           find other lawful methods available to it (or its Group), and which
           are satisfactory to both the Vendor and the Purchaser (acting
           reasonably), whereby full (or substantially full) enjoyment of the
           business and assets of Armstrong China or, as the case may be,
           Armstrong Poland can be afforded to the Purchaser (and its Group)
           including, without limitation, the transfer of the business and
           assets of Armstrong China or, as the case may be, Armstrong Poland to
           a member of the Purchaser's Group.

     8.6.3 If such full (or substantially full) enjoyment of the business and
           assets of Armstrong China or, as the case may be, Armstrong Poland
           cannot be afforded to the Purchaser (and its Group) within 8 months
           after the Final Longstop Date (the "End Date"):
<PAGE>

          (A)  neither Party shall be required to complete the sale and purchase
               of the Armstrong China Shares or the Armstrong Poland Shares (as
               the case may be) in the event that the Chinese Condition
               Subsequent or the Polish Condition Subsequent (as the case may
               be) shall not be satisfied by the Final Longstop Date;

          (B)  the provisions of this Agreement (in so far as they relate to
               Armstrong China or, as the case may be, Armstrong Poland) (other
               than this sub-clause 8.6, sub-clauses 8.7 and 8.8, clause 13
               (Confidential Information), clause 14 (Announcements), clause 15
               (Miscellaneous), clause 18 (Costs). clause 19 (Notices) and
               clause 20 (Governing Law, Jurisdiction and Service of Process))
               shall from such time have no effect;

          (C)  the Vendor shall pay (or procure that Armstrong China or, as the
               case may be, Armstrong Poland pays) to the Purchaser the
               Management Fee (in so far as it relates to Armstrong China or
               Armstrong Poland, as the case may be);

          (D)  the net impact of the assets and liabilities of Armstrong China
               or, as the case may be, Armstrong Poland on the Completion Group
               Net Assets shall be reversed and the appropriate amount paid or
               repaid (as the case may be) by the Vendor to the Purchaser or
               vice versa; and

          (E)  neither Party shall have any liability under the provisions of
               this Agreement (in so far as they relate to Armstrong China or,
               as the case may be, Armstrong Poland) other than in respect of
               any breach prior to the End Date of this sub-clause 8.6 or
               sub-clause 8.8.

8.7  After Completion, and prior to the completion of the sale and purchase of
     the Armstrong China Shares or the Armstrong Poland Shares, Armstrong China
     or Armstrong Poland (as the case may be) shall be entitled to a royalty
     free, irrevocable, exclusive licence to use the Intellectual Property
     Rights the subject of the Assignments in the People's Republic of China or
     Poland (as the case may be) and in the event that the completion of the
     sale and purchase of the Armstrong China Shares or the Armstrong Poland
     Shares shall not take place by the End Date the Parties shall execute such
     documentation as may be necessary to assign (absolutely) the Intellectual
     Property Rights the subject of the Assignments to the Vendor in so far as
     they relate to the People's Republic of China or Poland (as the case may
     be).

8.8  In the event that the sale and purchase of the Armstrong China Shares or
     the Armstrong Poland Shares (as the case may be) shall not take place at
     Completion, then, between Completion and the earlier of:

     8.8.1 the End Date; and

     8.8.2 completion of the sale and purchase of the Armstrong China Shares or
           the Armstrong Poland Shares (as the case may be);

     (without prejudice to any other provisions of this sub-clause 8.8) the
     provisions of clause 8.5 shall apply (mutatis mutandis) during the period
     referred to in this sub-
<PAGE>

     clause 8.8 (save that the Vendor shall not hold the Armstrong China Shares
     or the Armstrong Poland Shares on trust for the Purchaser prior to the
     completion of the sale and purchase of those Shares, the Purchaser shall
     not be required to execute (or procure the execution of) a declaration of
     trust in respect of those Shares and no transfer of those Shares shall be
     registered in the register of members of Armstrong China or Armstrong
     Poland provided that the Vendor shall not exercise any rights attaching to
     the Armstrong China Shares or Armstrong Poland Shares, as the case may be,
     other than as expressly contemplated in the proviso at the end of this
     sub-clause 8.8) and accordingly the Purchaser shall be responsible for
     managing and conducting the business and affairs of Armstrong China and
     Armstrong Poland (as the case may be), in which regard it shall be entitled
     to a management fee (in each case the "Management Fee") equal to the
     profits after tax of Armstrong China and Armstrong Poland (as the case may
     be) which arise during the period from Completion to the earlier of the
     dates referred to in sub-clauses 8.8.1 and 8.8.2, and

     8.8.3 the Purchaser shall indemnify the Vendor (for itself and as trustee
           of each member of its Group, Armstrong China and Armstrong Poland)
           against all liabilities arising directly from or in connection with
           any actions taken by the Purchaser's representatives when acting as
           such with respect to Armstrong China or Armstrong Poland (as the case
           may be), any failure by any member of the Purchaser's Group properly
           to perform its obligations under this clause 8 in relation to
           Armstrong China or Armstrong Poland (as the case may be) or any step
           taken or action or thing done or omitted to be done by any member of
           the Purchaser's Group or its representatives pursuant to such
           obligations or at and in accordance with the request or direction of
           the Purchaser or its representatives, save (in any such case) in the
           event of dishonesty on the part of the Vendor or any member of its
           Group and provided that (save in the case of dishonesty) the
           liability of the Purchaser under this sub-clause 8.8.3 in relation to
           Armstrong China or Armstrong Poland (as the case may be) shall not
           exceed the Management Fee in relation to Armstrong China or Armstrong
           Poland (as the case may be);

     8.8.4 the Vendor shall indemnify the Purchaser (for itself and as trustee
           of each member of the Purchaser's Group, including the Insulation
           Business Undertakings) against all liabilities arising directly from
           or in connection with any actions taken by any the Vendor's
           representatives when acting as such with respect to Armstrong China
           or Armstrong Poland (as the case may be), any failure by any member
           of the Vendor's Group to properly perform its obligations under this
           clause 8 in relation to Armstrong China or Armstrong Poland (as the
           case may be) or any step taken or action or thing done or omitted to
           be done by any member of the Vendor's Group or its representatives
           pursuant to such obligations or at and in accordance with the request
           or direction of the Vendor or its representatives save (in any such
           case) in the event of dishonesty on the part of the Purchaser or any
           relevant member of the Purchaser's Group;

     8.8.5 subject to sub-clause 8.8.4 (if applicable), no member of the
           Vendor's Group shall be liable for any actions or omissions of any
           representatives of the Purchaser on behalf of Armstrong China or
           Armstrong Poland (as the case
<PAGE>

          may be) or for any actions or omissions of any employees of any
          Insulation Business Undertaking and actions or omissions of such
          persons shall not constitute the actions or omissions of any member of
          the Vendor's Group;

     provided always that during the period referred to in this sub-clause 8.8
     the Purchaser shall use its reasonable endeavours to comply with the
     undertakings set out in sub-clauses 7.1.1, 7.1.2 and 7.1.3 (as if those
     undertakings were undertakings of the Purchaser and continued to apply
     during the period from Completion to the earlier of the dates referred to
     in sub-clauses 8.8.1 and 8.8.2) and shall use its reasonable endeavours to
     procure that (save as expressly provided in this sub-clause 8.8) Armstrong
     China and Armstrong Poland (as the case may be) shall not allow any of the
     matters referred to in sub-clauses 7.1.4 (C), (D), (G), (H), (I), (J), (K),
     (M), (N), (P), (Q), (R), (S) and (Y) to occur or be carried out in relation
     to Armstrong China or Armstrong Poland (as the case may be) without the
     prior consent of the Vendor (not to be unreasonably withheld or delayed or
     made the subject of any unreasonable conditions).

8.9  In the event that the sale and purchase of the Armstrong China Shares or
     the Armstrong Poland Shares (as the case may be) shall not take place at
     Completion, the Vendor and the Purchaser shall ensure that no dividends or
     other distributions shall be paid or declared (and that no other payment is
     made or liability or obligation incurred to the Vendor or any member of its
     Group, other than pursuant to a Services Agreement) by Armstrong China or
     Armstrong Poland (as the case may be) during the period referred to in
     sub-clause 8.8.

8.10 The Vendor shall indemnify and keep the Purchaser and each other member of
     the Purchaser's Group (including the Insulation Business Undertakings)
     indemnified fully from and against all actions, claims, proceedings,
     losses, damages, liabilities, costs and expenses (including fines,
     penalties, damages, losses, clean-up costs, costs in respect of remediation
     or restoration works and relocation costs and legal and other professional
     fees) suffered or incurred by the Purchaser or any member of its Group
     which arise after Completion as a consequence of or out of:

     8.10.1  any Asbestos Claim;

     8.10.2  as a direct or indirect result of any Release of Hazardous
             Substances whether or not by the Vendor (or any member of its
             Group), the Insulation Business Undertakings or any third party
             into, at or from any property owned, used or occupied at any time
             prior to Completion by the Vendor (or any member of its Group) or
             the Insulation Business Undertakings or of any non-compliance with
             Environmental Law resulting in the presence of Hazardous Substances
             in the Environment by the Vendor (or any member of its Group) or
             the Insulation Business Undertakings prior to Completion;

     8.10.3  any stand alone trading activities or other businesses carried on
             by any Insulation Business Undertaking prior to Completion which
             are no longer carried on by the Insulation Business Undertakings at
             Completion (such as the former insulation and textile manufacturing
             operations of AWI in Braintree, Massachusets, the former cork
             manufacturing operations of Armstrong Spain and the former textile
             manufacturing operations of Armstrong Germany (other
<PAGE>

             than to the extent that such operations have been retained by
             Armstrong Germany in relation to Accotex, Munster and Trezzano,
             Italy);

     8.10.4  the Reorganisation;

     8.10.5  Armstrong Russia;

     8.10.6  (in so far as it relates to any period prior to Completion, but
             excluding for the avoidance of doubt any such actions, claims,
             proceedings, losses, damages, liabilities, costs and expenses in so
             far as they relate to any period after Completion) any failure by
             Armstrong China prior to Completion to comply with the 50 per cent.
             export ratio imposed on it under the Approval Document No. [1994]
             O21, dated 18 January 1994, issued by the Panyu Committee of
             Foreign Trade and Economic Co-operation;

     8.10.7  the grant (prior to Completion) or exercise (whether prior to or at
             any time after Completion) of any options granted prior to
             Completion to directors or other officers of any Insulation
             Business Undertaking or any Employee under any share option scheme
             or any award prior to Completion of shares to any such person under
             any profit sharing or share based incentive arrangements
             established or operated by the Vendor or any member of its Group or
             any Insulation Business Undertaking (including any income tax
             payable under PAYE, national insurance contributions, social
             security or any other statutory deduction arising on grant or
             exercise of any of the foregoing, but excluding for the avoidance
             of doubt any such actions, claims, proceedings, losses, damages,
             liabilities, costs and expenses in so far as they relate to the
             grant or award of any replacement incentive arrangements for
             Employees after Completion);

     8.10.8  the Excluded Long Term Liabilities;

     8.10.9  any breach by the Vendor of sub-clause 8.9;

     8.10.10 the loss, misplacement or absence of a register of members for
             Armstrong Switzerland at any time prior to Completion; or

     8.10.11 the existence of or failure to pay in full or discharge the charge
             dated 6 December 1967 as noted in entry no.1 of the Charges
             Register for the title no. LA 135318 relating to land at Mars
             Street in Oldham in respect of any debts due from Armstrong UK to
             the chargee, being Oldham Borough Council, prior to Completion.

8.11 The Parties agree that (unless the liquidation of Armstrong Russia shall
     have been completed prior to Completion) after Completion the Vendor shall
     be responsible (and, where necessary, shall be given all powers and
     authorities by the Purchaser and Armstrong Switzerland as the shareholder
     of Armstrong Russia) for the completion of the liquidation of Armstrong
     Russia as soon as practical.

8.12 The Purchaser shall use its reasonable endeavours accurately to complete
     and file (or procure the completion and filing on its behalf of) form BE-13
     with the US Department of Commerce in relation to the sale and purchase of
     the Shares in
<PAGE>

     Armstrong USA as soon as practical (and in any event within 45 days) after
     Completion.

9.   PENSIONS AND EMPLOYMENT

9.1  The provisions of Schedule 3 shall have effect as if set out in full in
     this clause 9.

9.2  In the event that any person (other than the Employees) successfully claims
     that they are an employee of any Insulation Business Undertaking
     immediately prior to Completion and by virtue of this Agreement becomes an
     employee of any member of the Purchaser's Group immediately after
     Completion, the Vendor shall indemnify the Purchaser against:

     9.2.1 all losses, damages, liabilities, reasonable costs and expenses,
           fines, awards and penalties arising from any actions, claims, or
           proceedings brought by any such persons in respect of the termination
           of their employment by the Purchaser after Completion;

     9.2.2 the basic salary and reasonable costs of providing any contractual
           benefits to such employees up to the first reasonably appropriate
           termination date;

     provided the termination is effected by the Purchaser as soon as reasonably
     practicable (subject to sub-clause 9.3) and no later than three months
     after Completion.

9.3  In terminating the employment of any such person referred to in sub-clause
     9.2, the Purchaser shall, or shall procure that the relevant company within
     its Group shall, take all reasonable steps to mitigate the costs and
     liabilities or potential liabilities resulting from such termination.

9.4  The Vendor shall hereby indemnify the Purchaser against all losses,
     damages, liabilities, penalties, fines, reasonable costs and expenses
     arising from or in respect of claims or complaints brought by or on behalf
     of any of the Employees resulting from any failure or omission of any of
     the Insulation Business Undertakings or any member of the Vendor's Group to
     comply in all material respects with their obligations to consult with the
     Employees prior to Completion under all relevant provisions of statutes,
     regulations, agreements, terms and conditions of employment, relevant to
     any Employees, save where such failure to comply arises as a result of
     Purchaser's failure to comply with any of its obligations under the
     Acquired Rights Directive 77/187/EEC or any other relevant statutes,
     directives or regulations.

9.5  The Purchaser shall hereby indemnify the Vendor for itself and as trustee
     for any member of its Group against all losses, damages, liabilities,
     penalties, fines and reasonable costs and expenses arising from or in
     respect of claims or complaints brought by or on behalf of any of the
     Employees in respect of their employment or its termination after
     Completion or any failure or omission of the Purchaser (or any member of
     its Group) to comply with its obligations to provide information to or
     consult with any person under the Acquired Rights Directive 77/187/EEC or
     any other relevant statutes, directives or regulations.
<PAGE>

9.6  The Vendor hereby indemnifies and shall keep the Purchaser and each other
     member of the Purchaser's Group (including the Insulation Business
     Undertakings) indemnified against any liability, assessment or claim for
     Taxation whatsoever or for national insurance contributions or for social
     security payments where such liability, assessment or claim arises or is
     made in connection with the performance of services prior to Completion by
     any person or company who is a self-employed contractor under an agreement
     for services with Armstrong Spain working in South America. The Vendor also
     agrees to indemnify and shall keep the Purchaser and each other member of
     the Purchaser's Group (including the Insulation Business Undertakings)
     indemnified against all reasonable costs and expenses and any penalty, fine
     or interest accrued or payable by the Purchaser (or any member of its
     Group) in connection with or in consequence of any such liability,
     assessment or claim.

9.7  The Vendor shall hereby indemnify the Purchaser against any liability,
     obligation, costs, claim and demand arising from or in respect of Keith
     Lonsdale (whether for unpaid remuneration, wrongful dismissal, unfair
     dismissal, redundancy, payment in lieu of notice, loss of office, sex,
     disability or race discrimination or otherwise) save to the extent
     specifically provided for in the Completion Group Net Assets provided that,
     in any event, the Purchaser shall consult with the Vendor prior to agreeing
     any amount due to Keith Lonsdale under the indemnity in this sub-clause
     9.7.

10.  WARRANTIES

10.1 The Vendor warrants to the Purchaser on the date hereof in the terms of the
     Warranties and shall warrant to the Purchaser on the date of Completion in
     the terms of the Repeated Warranties.

10.2 Any information supplied by or on behalf of any Insulation Business
     Undertaking to or on behalf of the Vendor in connection with the Warranties
     or the Repeated Warranties, the Disclosure Letter or otherwise in relation
     to the business and affairs of any Insulation Business Undertaking, or
     otherwise in relation to the Assets or the Insulation Business, shall not
     constitute a representation or warranty or guarantee as to the accuracy
     thereof by any Insulation Business Undertaking and the Vendor undertakes to
     the Purchaser (on behalf of itself and as trustee of each Insulation
     Business Undertaking and their respective directors and employees, Senior
     Management and the Employees) that it waives any and all claims which it
     might otherwise have against any Insulation Business Undertaking (or, save
     in the case of any fraud or fraudulent or wilful misrepresentation or
     wilful non-disclosure, any of their respective directors or employees ,
     Senior Management and the Employees) in respect thereof.

10.3 Each of the Warranties shall be construed as a separate warranty and is
     given subject to the matters which have been fairly disclosed to the
     Purchaser:

     10.3.1 in the Disclosure Letter; or

     10.3.2 in any document which is specifically referred to in the Disclosure
            Letter.

10.4 Each of the Repeated Warranties shall be construed as a separate warranty
     and is given subject to the matters which have been fairly disclosed to the
     Purchaser:
<PAGE>

     10.4.1 in the Disclosure Letter as at the date of this Agreement (and, for
            the avoidance of doubt, no disclosure shall be made after the date
            of this Agreement (or if so made or purported to be made, such
            disclosures shall be of no force and effect)); or

     10.4.2 in any document which is specifically referred to in the Disclosure
            Letter.

10.5 The rights and remedies of the Purchaser and the members of the Purchaser's
     Group in respect of a breach of any of the Warranties or the Repeated
     Warranties shall not be affected by Completion or by the giving of any time
     or other indulgence by the Purchaser to any person.

10.6 Save as otherwise expressly provided in this Agreement or any of the
     documents referred to herein as being in the agreed terms, the Vendor
     expressly disclaims all liability and responsibility for any opinion or
     forecast contained within (or derived or capable of being derived from):

     10.6.1 any investigation carried out, or made, by or on behalf of the
            Purchaser in the course of any due diligence or other enquiry prior
            to the Purchaser entering into this Agreement; or

     10.6.2 any data, document, record or information disclosed by or on behalf
            of the Vendor, a Company or Subsidiary (or any employee, agent or
            adviser of any of them) to the Purchaser (or to any person on behalf
            of the Purchaser).

10.7 Any Warranty expressed to be given "to the best of the Vendor's knowledge
     and belief" or "so far as the Vendor is aware" or otherwise qualified by
     reference to the knowledge of the Vendor shall be deemed to be, in the case
     of the Warranties only, the knowledge or awareness (as the case may be) of
     the Armstrong Management and Ulrich Weimer and, in the case of the Repeated
     Warranties, shall be deemed to be the knowledge or awareness (as the case
     may be) of the Armstrong Management only and, in the case of both the
     Warranties and Repeated Warranties, shall be deemed to include an
     additional statement that the Vendor has made reasonable enquiries of the
     Senior Management in relation to that Warranty or Repeated Warranty (as the
     case may be).

10.8 At all times up to Completion the Vendor shall give (and shall procure that
     the relevant members of its Group and the Insulation Business Undertakings
     shall give) to the Purchaser all such information and documentation
     relating to the Insulation Business Undertakings, the Assets and the
     Insulation Business as the Purchaser shall reasonably require and request
     to enable it to satisfy itself as to whether there has been any breach of
     the Warranties or under the Tax Deed (or whether there will be a breach of
     the Repeated Warranties).

10.9 In relation to the Warranty at paragraph 5.2 of part 1 of Schedule 2, the
     reference to "matters" shall, for the avoidance of doubt, not include the
     underlying economic, market, commercial or other circumstances relating to
     such matters (whether or not evident on the face of the Disclosure Letter).
<PAGE>

11.  LIMITATIONS

11.1 No Relevant Claim shall be made unless written notice containing reasonable
     details of that claim (based upon the information known to the Purchaser at
     that time) is served on the Vendor by the Purchaser:

     11.1.1 in the case of any claim under the Environmental Warranties or under
            sub-clause 7.1.4(X) or the Warranty in paragraph 8.4.4 of part 1 of
            Schedule 2, by not later than 5.00 p.m. on the sixth anniversary of
            Completion;

     11.1.2 in the case of any claim under the Tax Warranties, by not later than
            5.00 p.m. on the date one month after the expiry of the period of
            limitation during which the relevant Taxation authority in the
            jurisdiction in respect of which the said claim arises would be
            entitled to recover from an Insulation Business Undertaking any Tax
            liability arising prior to Completion;

     11.1.3 in the case of any Specific Indemnity (other than the indemnity at
            sub-clause 8.10.2), by not later than 5.00 p.m. on the 40th
            anniversary of Completion;

     11.1.4 in the case of the Specific Indemnity at sub-clause 8.10.2, by not
            later than 5.00 p.m. on the seventh anniversary of Completion; or

     11.1.5 in any other case, by not later than 5.00 p.m. on the second
            anniversary of Completion.

11.2 A Relevant Claim or claim under the Tax Deed shall not be enforceable
     against the Vendor and shall be deemed to have been withdrawn unless (and
     shall then be enforceable only to the extent that) any legal proceedings in
     connection with it are commenced within 12 months after written notice of
     it is first served on the Vendor by the Purchaser or, if later:

     11.2.1 to the extent that it relates to any contingent liability, the date
            on which the amount of that liability is ascertained; or

     11.2.2 to the extent that it relates to any matter where the Purchaser is
            engaged in any litigation, arbitration or similar proceedings with
            any third party (in accordance with the provisions of this clause
            11), the date on which the final judgment, award or decision (as the
            case may be) is reached in that litigation, arbitration or other
            such proceedings.

11.3 The aggregate amount of the liability of the Vendor in respect of all
     Relevant Claims (other than the Specific Indemnities), the Specific
     Indemnity at sub-clause 8.10.2 and claims under the Tax Deed shall not
     exceed [_] 271,500,000.

11.4 No liability shall attach to the Vendor in respect of any Relevant Claim
     (other than in respect of the Specific Indemnities) unless:

     11.4.1 the aggregate liability of the Vendor in respect of that individual
            claim and any like claim or claims arising out of the same breach
            (which for the avoidance of doubt may be aggregated and counted as
            one claim for the purposes of this sub-clause 11.4.1, but excluding
            any liability in respect of any legal or other
<PAGE>

            costs of the Purchaser and interest that may be recovered in
            relation thereto) shall exceed [_] 50,000; and

     11.4.2 the aggregate amount of the liability of the Vendor in respect of
            all Relevant Claims (other than under Specific Indemnities and
            excluding any liability in respect of any legal or other costs of
            the Purchaser and interest that may be recovered in relation to any
            Relevant Claim) shall exceed [_] 500,000;

     but, in each case, otherwise satisfying the requirements of this sub-clause
     11.4, the Vendor shall be liable for the whole of any such amount and not
     merely any excess.

11.5 The Vendor shall not be liable in respect of a Relevant Claim (other than
     under clause 7 or, in relation to sub-clauses 11.5.1, 11.5.2, 11.5.3,
     11.5.4(B) and 11.5.5(B) only, the Specific Indemnities (with the intent
     that only sub- clauses 11.5.4(A) and 11.5.5(A) shall apply to the Specific
     Indemnities)):

     11.5.1 if it would not have arisen but for anything done or omitted to be
            done at the written request or with the express consent of the
            Purchaser (or a member of its Group) after the date hereof by the
            Vendor (or a member of its Group);

     11.5.2 if it would not have arisen but for anything voluntarily done or
            omitted to be done, after Completion by the Purchaser (or a member
            of its Group) or its (or their respective) agents, representatives,
            assignees or other successors in title, save that this limitation
            shall not exclude any liability which arises from or is increased by
            any act or omission in the ordinary course of the Insulation
            Business of an Insulation Business Undertaking as carried on during
            the 12 months prior to Completion (including, without limitation,
            any failure by the Insulation Business Undertakings to remove or
            otherwise deal with any Release of Hazardous Substances in existence
            prior to Completion);

     11.5.3 to the extent that it arises as a result only of:

          (A)  an increase in any rates of Taxation after the date hereof;

          (B)  any change in generally accepted accounting practice (as
               interpreted by an Insulation Business Undertaking's statutorily
               appointed auditors, if any, in the jurisdiction in which the said
               Insulation Business Undertaking is required to submit accounts)
               after the date hereof;

          (C)  (save in relation to the passing of any Environmental Law which
               is in draft form at Completion and where the details of any such
               draft are generally known and are reasonably likely to come into
               effect within 2 years of the date hereof) the passing of any
               legislation, or making of any subordinate legislation after the
               date hereof (which constitutes a change in law or its
               interpretation);

     11.5.4 to the extent that it relates to any loss for which the Purchaser
            (or a member of its Group) or any of its (or their) assignees or
            other successors in title:

          (A)  makes any recovery under any insurance; or
<PAGE>

          (B)  would make any recovery under any insurance if (at the relevant
               time) it maintained substantially the same level and type of
               insurance cover as maintained by or on behalf of the Insulation
               Business Undertakings in the 12 months immediately prior to
               Completion or as is recommended in the Aon Insurance
               Recommendations or such other level and type of insurance cover
               as the Purchaser's insurance brokers advise from time to time;

     11.5.5 to the extent that it relates to:

          (A)  any matter specifically provided for or included as a specific
               liability in the Completion Group Net Assets;

          (B)  any liability for Taxation arising out of the ordinary course of
               business of an Insulation Business Undertaking since Completion.

11.6 Subject to sub-clauses 11.8, 11.14 and 11.15, where the Purchaser (or a
     member of its Group) or any of its (or their) assignees or other successors
     in title is entitled to recover from some other person any sum in respect
     of any matter or event which gives rise to a Relevant Claim, the Purchaser
     shall (subject to the Purchaser's Group being indemnified and secured by
     the Vendor to the Purchaser's reasonable satisfaction against all
     reasonable costs and expenses which may be incurred by the Purchaser or any
     member of its Group by reason of such action) take all such action as the
     Vendor may reasonably request in writing (or procure that such action is
     taken) to recover that sum and:

     11.6.1 any sum so recovered will reduce the amount of that Relevant Claim;
            or,

     11.6.2 in the event of any such recovery being delayed until after that
            Relevant Claim has been satisfied by the Vendor, the Purchaser shall
            pay to the Vendor an amount equal to the lesser of (A) the amount so
            recovered and (B) the amount paid by the Vendor to the Purchaser in
            satisfaction of such Relevant Claim;

     (in each case after deduction of any reasonable costs and expenses of the
     recovery, including, in each case for the avoidance of doubt, any Tax
     payable by the Purchaser in respect of any sum recovered) provided that no
     action shall be required on the part of the Purchaser or any member of its
     Group under or in respect of this clause 11.6 which would, in the
     Purchaser's reasonable opinion, be materially prejudicial to the
     Purchaser's or its Group's legitimate business interests and the business
     and goodwill of the Insulation Business.

11.7 No liability shall attach to the Vendor in respect of any Relevant Claim to
     the extent that sums in respect of the matter giving rise to that Relevant
     Claim have been recovered under any other Relevant Claim or any claim under
     the Tax Deed.

11.8 Subject to sub-clauses 11.14 and 11.15, the Purchaser shall (and shall
     procure that its assignees or other successors in title shall), subject to
     the Purchaser's Group being indemnified and secured by the Vendor to the
     Purchaser's reasonable satisfaction against all reasonable costs and
     expenses which may be incurred by the Purchaser or any member of its Group
     by reason of such action:
<PAGE>

      11.8.1 take such action as the Vendor may reasonably require to avoid,
             resist or contest any claim or matter which gives rise to a
             Relevant Claim;

      11.8.2 take such action as the Vendor may reasonably require to settle or
             compromise any claim or matter which gives rise to a Relevant
             Claim, subject to the Vendor first having admitted liability to the
             Purchaser in the full amount of such proposed settlement or
             compromise which is payable (or would, but for this sub-clause
             11.8.2, be payable) by the Purchaser (or any member of its Group);

      11.8.3 not settle or compromise any claim or matter which gives or may
             give rise to a Relevant Claim without the prior written consent of
             the Vendor (such consent not to be unreasonably withheld or delayed
             or made the subject of any unreasonable conditions);

      provided that no action shall be required on the part of the Purchaser or
      any member of its Group under or in respect of this clause 11.8 which
      would, in the Purchaser's reasonable opinion, be materially prejudicial to
      the Purchaser's and its Group's legitimate business interests and the
      business and goodwill of the Insulation Business.

11.9  Each Party shall procure that each member of its Group (and any assignee
      or other successor in title thereof) shall accept and comply with sub-
      clauses 11.8 and 11.14 as if each such person were a party to and bound by
      this Agreement.

11.10 Notwithstanding anything in this Agreement to the contrary (but subject to
      the Purchaser's Group being indemnified and secured by the Vendor to the
      Purchaser's reasonable satisfaction against all reasonable costs and
      expenses which may be incurred by the Purchaser or any member of its Group
      by reason of such assignment), at the request of the Vendor the Purchaser
      shall (and shall procure that any relevant member of the Purchaser's Group
      shall) assign to the Vendor any and all rights that it may have to seek
      reimbursement from any third parties or their insurers (whether in an
      action at law or otherwise, and whether by way of a claim for
      contribution, subrogation, or otherwise) in relation to any Relevant Claim
      that has been satisfied by the Vendor, provided that no assignment shall
      be required on the part of the Purchaser or any member of its Group under
      or in respect of this clause 11.10 which would be materially prejudicial
      to the Purchaser's and its Group's legitimate business interests and the
      business and goodwill of the Insulation Business (and provided that to the
      extent that any sums recovered by the Vendor in respect of any rights
      assigned to it under this sub-clause 11.10 shall exceed the amount
      previously paid by the Vendor to the Purchaser in satisfaction of the
      Relevant Claim by virtue of which those rights are assigned to the Vendor,
      the Vendor shall pay an amount equal to any such excess to the Purchaser
      (after deduction of any reasonable costs and expenses of the recovery
      including, in each case for the avoidance of doubt, any Tax payable by the
      Vendor in respect of any sum recovered.

11.11 No employee, officer, agent or adviser of any member of the Vendor's Group
      shall have any liability in relation to any Relevant Claim.

11.12 No liability shall attach to the Vendor in respect of any breach of the
      Repeated Warranties that is outside the actual knowledge as at Completion
      of the Armstrong
<PAGE>

      Management (having made reasonable enquiries of the Senior Management in
      relation to those Warranties).

11.13 Other than in respect of an Asbestos Claim, no liability shall attach to
      the Vendor in respect of a Relevant Claim associated with the removal
      after Completion of any asbestos or asbestos fibres incorporated into any
      building at Completion which are not required to be removed under any
      applicable law in any applicable jurisdiction as at Completion save to the
      extent that the presence of any asbestos or asbestos fibres are causing or
      are reasonably likely to cause harm to the Environment.

11.14 Notwithstanding anything to the contrary in this Agreement, the Purchaser
      shall (and shall procure that its assignees or other successors in title
      shall) co-operate in any defence or settlement of an Asbestos Claim
      carried out in accordance with sub-clause 11.15.

11.15 Notwithstanding anything to the contrary in this Agreement and subject to
      the Purchaser being fully indemnified to the extent that it incurs costs
      or expenses as a result, the Vendor shall have the right at any time upon
      giving prior written notice to the Purchaser to:

      11.15.1 select counsel to defend each Party (and each member of its Group
              and its assignees or other successors in title) against any
              Asbestos Claim; and

      11.15.2 to conduct the defence of each Party (and each member of its Group
              and its assignees or other successors in title) against any
              Asbestos Claim (including the unilateral right to direct the
              activities of counsel selected to defend any such proceedings and
              to determine whether or not to conduct any such defence in the
              name of the Purchaser or any other member of the Purchaser's Group
              or any other person);

      in each case with the consent of any such person (such consent not to be
      unreasonably withheld or delayed), provided that for the avoidance of
      doubt such consent shall be treated as being reasonably withheld where:

      11.15.3 criminal conduct by an Insulation Business Undertaking is alleged
              in the applicable Asbestos Claim;

      11.15.4 any settlement provides for relief other than the payment of
              monetary damages and the Vendor procures that any such monetary
              damages are paid in full; or 11.15.5 any settlement does not
              constitutes a complete and unconditional discharge and release of
              each such person.

11.16 Nothing in this Agreement shall result in or be construed or asserted to
      be, a waiver of any attorney-client privilege in connection with any
      Relevant Claim by the Vendor or the Purchaser (or any member of their
      respective Groups). In order to effectuate a vigorous and effective
      defence to any Relevant Claim, the parties agree, where recognised by
      applicable law, to execute and implement joint defence or similar
      agreements.
<PAGE>

11.17 The Vendor undertakes to defend the Purchaser (and each other member of
      the Purchaser's Group) in relation to each Asbestos Claim (including the
      provision of a legal defence) in accordance with the terms of this clause
      11, but provided the Vendor shall provide such a defence in relation to
      any Asbestos Claim the Purchaser (and each other member of the Purchaser's
      Group) shall be responsible for any additional costs or expenses that it
      may decide to incur in relation to any such Asbestos Claim (including any
      legal or other advisers' costs and expense) other than any costs or
      expenses which are reasonably required to be incurred by the Purchaser and
      any other member of the Purchaser's Group in respect of such defence.

11.18 No liability shall attach to the Vendor under the Warranties or the
      Repeated Warranties in respect of any matter stated as a fact in, and
      evident on the face of:

      11.18.1 the Ashurst Morris Crisp Legal Reports;

      11.18.2 the Arcadis Environmental Reports; or

      11.18.3 the specific disclosures (if any) in the Management Disclosure
              Letter in relation to the guarantee under the Investment Agreement
              by the Managers (as defined therein) that there are no
              circumstances which constitute or will constitute (and that,
              immediately following Completion, there will not be) a breach of
              the Warranties;

      to the extent that any such statement of fact, in any such case, is
      sufficient to clearly indicate that the Vendor is, was or will be in
      breach of any Warranty or Repeated Warranty and the Purchaser agrees that
      copies of the Ashurt Morris Crisp Legal Reports, the Arcadis Environmental
      Reports and the Management Disclosure Letter shall be provided to the
      Vendor before or at the same time as the Purchaser brings any Relevant
      Claim against the Vendor.

11.19 Subject to sub-clause 11.20, every person seeking to make any claim under
      this Agreement (each a "Claimant") shall mitigate, to the extent
      practicable, any loss suffered by such Claimant for which a claim is made
      under this Agreement. Nothing in this Agreement shall release any person
      of its duty to mitigate its loss at common law.

11.20 With respect to any claim under this Agreement that relates to an
      environmental investigation, characterisation, testing, removal or
      response action, cleanup, risk analysis, monitoring or similar activities,
      whenever possible, the Party against which any such claim is brought (the
      "Defendant") shall have the option on giving reasonable prior written
      notice to the Purchaser to conduct the relevant activity at its own
      control and expense without causing any unreasonable interference or
      disturbance of the Purchaser's and its Group's business and in each such
      case, the Claimant shall co-operate in all reasonable respects with the
      Defendant in respect of all matters relating to that claim provided that
      no action shall be taken which would in the Purchaser's reasonable
      opinion, be materially prejudicial to the Purchaser's and the Group's
      legitimate business interests and the business and goodwill of the
      Insulation Business in which case the Purchaser or any person whom it
      elects shall have the sole right to have conduct of such matters.
<PAGE>

11.21 Each of the provisions of this clause 11 shall be construed as separate
      and severable and in the event of any such provision being determined as
      being unenforceable in whole or in part, for any reason whatsoever, such
      unenforceability shall not affect or impair the enforceability of the
      other provisions of this clause 11 or, in the case of any provision which
      is unenforceable only in part shall not affect or impair the
      enforceability of the remainder of that provision, and such other
      provisions or parts thereof, as appropriate, shall continue to bind the
      Parties.

11.22 Nothing in this Agreement shall exclude or limit (or shall be construed as
      seeking to exclude or limit) any liability of any person for any fraud or
      fraudulent or wilful misrepresentation by that person.

11.23 The provisions of this clause 11 shall apply notwithstanding any other
      provision of this Agreement to the contrary (and shall not be discharged
      or cease to have effect in consequence of Completion or any other
      provision of this Agreement).

12.   RESTRICTIVE COVENANTS

12.1  In this clause 12:

      12.1.1 "competing business" means any business (other than the manufacture
             or sale of man made mineral fibres) which competes with any
             business carried on at Completion by an Insulation Business
             Undertaking in a jurisdiction in which that Insulation Business
             Undertaking carries on that business at Completion;

      12.1.2 "restricted goods or services" means goods or services of the same
             type as or similar to any goods or services supplied by an
             Insulation Business Undertaking at Completion;

      12.1.3 "Restricted Parties" means each member of the Vendor's Group; and

      12.1.4 references to acting directly or indirectly include (without
             prejudice to the generality of that expression) references to
             acting alone or jointly with or by means of any other person.

12.2  Subject to sub-clause 12.3, the Vendor covenants with the Purchaser that
      with effect from Completion:

      12.2.1 until the expiration of 5 years from Completion, no Restricted
             Party shall directly or indirectly carry on or be engaged or
             interested in a competing business; and

      12.2.2 until the expiration of 3 years from Completion, no Restricted
             Party shall directly or indirectly:

             (A)  accept the custom of, solicit, canvass or approach or
                  endeavour to solicit, canvass or approach, in competition with
                  an Insulation Business Undertaking, any person for the purpose
                  of offering to that person restricted goods or services (or
                  supply on behalf of a competing business restricted goods or
                  services to any person):
<PAGE>

               (1)  who was provided with goods or services by an Insulation
                    Business Undertaking at any time during the 12 months up to
                    and including Completion; or

               (2)  who was negotiating with an Insulation Business Undertaking
                    for the supply of goods or services at any time during the
                    12 months up to and including Completion; or

          (B)  employ, solicit or entice away or endeavour to solicit or entice
               away from any Insulation Business Undertaking, any person who at
               any time during the period of 12 months immediately prior to
               Completion shall have been employed by an Insulation Business
               Undertaking in an executive, technical, or sales capacity,
               including Senior Management and including the Employees listed in
               the document in the agreed form headed "Key Employees".

12.3 The provisions of this clause 12 shall apply to China and Poland with
     effect from Completion but shall not apply to any interest held by the
     Vendor (or any member of its Group) in Armstrong China or Armstrong Poland
     prior to the completion of the sale and purchase of the Armstrong China
     Shares or the Armstrong Poland Shares (as the case may be).

12.4 The Vendor agrees that the undertakings contained in this clause 12 are
     reasonable and are entered into for the purpose of protecting the goodwill
     of the business of each member of the Purchaser's Group.

12.5 Each undertaking contained in this clause 12 is and shall be construed as
     separate and severable and if one or more of the undertakings is held to be
     against the public interest or unlawful or in any way an unreasonable
     restraint of trade or unenforceable in whole or in part for any reason the
     remaining undertakings or parts thereof, as appropriate, shall continue to
     bind the Vendor.

12.6 If any undertaking in this clause 12 shall be held to be void but would be
     valid if deleted in part or reduced in application, such undertaking shall
     apply with such deletion or modification as may be necessary to make it
     valid and enforceable. Without prejudice to the generality of the
     foregoing, if such invalidity arises by reason of the period being
     excessive, such period (as the same may previously have been reduced by
     virtue of this sub-clause 12.6) shall take effect as if reduced by six
     months until the resulting period shall be valid and enforceable.

13.  CONFIDENTIAL INFORMATION

13.1 Each Party shall (and shall procure that each member of its Group shall and
     shall use its reasonable endeavours to procure that each director, officer,
     employee, agent and adviser of its Group shall) not use or disclose any
     Confidential Information of the other Party (or any member of its Group).

13.2 The provisions of this clause 13 shall not apply to the disclosure of any
     Confidential Information:

     13.2.1 to or at the request of the other Party;
<PAGE>

     13.2.2 permitted by clause 14;

     13.2.3 to its professional advisers; or

     13.2.4 which is in the public domain (other than by a breach of this clause
            13 by that Party).

13.3 For the purposes of this clause 13 only, prior to Completion each
     Insulation Business Undertaking shall be deemed to be a member of the
     Vendor's Group.

14.  ANNOUNCEMENTS

14.1 No Party shall disclose the making of this Agreement or its terms or make
     (or procure or permit the making of) any announcement (whether before or
     after Completion) with respect to this Agreement (or any matter ancillary
     hereto) without the prior written consent of the other Party (not to be
     unreasonably withheld or delayed or made the subject of any unreasonable
     conditions), unless such disclosure is to its professional advisers or
     pursuant to clause 14.2 or 14.3.

14.2 Each Party shall at the request of the other Party supply all such
     information and reports as may be reasonably required by the requesting
     Party in order for the requesting Party to comply with any requirement or
     regulation of any law or Stock Exchange or other regulatory body to which
     it (or any member of its Group) shall be subject and each Party (and each
     member of its Group) shall be entitled to make any announcement with
     respect to this Agreement (or any matter ancillary hereto) if such
     announcement shall be required by any requirement or regulation of any law
     or Stock Exchange or other regulatory body to which it (or any member of
     its Group) shall be subject, provided that such Party has taken all steps
     as may be reasonable in the circumstances to agree the content of such
     announcement and provided that any such announcement shall only be made
     after notice to the other Party (where practicable).

14.3 For the avoidance of doubt, nothing in this clause 14 shall be taken to
     apply to announcements, communications or circulars made or sent by the
     Purchaser after Completion to customers, clients or suppliers of any member
     of the Group which merely inform them of the Purchaser's acquisition of the
     Shares or to any announcements, communications or circulars containing only
     information which has become generally available.

15.  MISCELLANEOUS

15.1 No Party may assign any of its rights or obligations under this Agreement
     (or, save as expressly set out therein, any document in the agreed terms),
     save that upon giving written notice to the other Party:

     15.1.1 the Purchaser shall be entitled to assign the benefit (but not the
            burden) of this Agreement to a member of its Group (provided that
            any such assignee remains a member of the Purchaser's Group and
            provided further that before such assignee ceases to be a member of
            the Purchaser's Group, the Purchaser will procure that the benefit
            of this Agreement is assigned to the Purchaser or to another member
            of its Group subject to the conditions of this sub-clause 15.1.1);
            and
<PAGE>

     15.1.2 the Purchaser shall be entitled to assign the benefit (but not the
            burden) of this Agreement to any person (A) by way of security for
            borrowings of the Purchaser's Group incurred for the purposes of
            financing or re-financing all or part of the Purchase Price or (B)
            with the consent of the Vendor (such consent not to be unreasonably
            withheld or refused or made the subject of unreasonable conditions).

15.2 This Agreement, together with the documents in the agreed terms or referred
     to herein, represents the entire understanding, and constitutes the whole
     agreement, in relation to its subject matter and supersedes any previous
     agreement between the Parties with respect thereto and, without prejudice
     to the generality of the foregoing, excludes any warranty, condition or
     other undertaking implied at law or by custom (save as expressly set out
     herein) PROVIDED THAT the provisions of this sub-clause 15.2 shall not
     exclude any liability which either Party would otherwise have to the other
     Party or any right which the other Party may have in respect of any
     statements made fraudulently by that Party prior to the execution of this
     Agreement or any right which the other Party may have in respect of fraud
     or fraudulent misrepresentation by that Party.

15.3 Each Party confirms that neither it nor any member of its Group has relied
     on any representation or warranty or undertaking in relation to the subject
     matter of this Agreement which is not contained in this Agreement, or in
     the documents in the agreed terms or referred to herein, and (without
     prejudice to any liability for fraudulent misrepresentation) no Party (or
     any member of its Group) shall either be under any liability to or have any
     remedy against another Party (or any member of its Group) in respect of any
     misrepresentation or untrue statement in relation to the subject matter of
     this Agreement, or the documents in the agreed terms or referred to herein,
     unless and to the extent that a claim lies under this Agreement, or in the
     documents in the agreed terms or referred to herein.

15.4 The terms of this Agreement (insofar as not performed at Completion and
     subject as specifically otherwise provided in this Agreement) shall
     continue in force after and notwithstanding Completion (and, without
     prejudice to the generality of the foregoing, any remedies of the Purchaser
     in respect of any breach of any of the Warranties or Repeated Warranties
     shall continue to subsist notwithstanding Completion).

15.5 After Completion each Party shall (at its own cost) execute all such deeds
     and documents and do all such things as either Party may reasonably require
     for perfecting the transactions intended to be effected under or pursuant
     to this Agreement.

15.6 Without prejudice to the generality of sub-clause 15.5, following
     Completion the Vendor shall (at its own cost), from time to time, forthwith
     upon request from the Purchaser execute (or procure the execution by a
     member of its Group or use reasonable endeavours to procure the execution
     by any third party) of all such deeds and documents and do (or procure the
     doing by a member of its Group or use reasonable endeavours to procure the
     doing by any third party) of all such things, in a form reasonable
     satisfactory to both Parties, for the purpose of vesting in the Purchaser
     the full legal and beneficial title to the Shares (including, subject to
     the
<PAGE>

      satisfaction of the China Condition Subsequent, the Armstrong China Shares
      and, subject to the satisfaction of the Poland Condition Subsequent, the
      Armstrong Poland Shares) and the Assets.

15.7  No single or partial exercise of (or failure to exercise or delay in
      exercising) a right or remedy by a Party in connection with this
      Agreement, or reliance upon (or failure to invoke or delay in invoking) a
      right or remedy by either Party in connection with this Agreement, shall
      constitute a waiver of that (or any other) right or remedy by that Party
      or prevent any further or other exercise of any such right or remedy or
      the exercise of any other right or remedy by that Party.

15.8  A waiver of any right or remedy by either Party in connection with this
      Agreement must be an express waiver in writing and any such waiver on any
      occasion shall not constitute a waiver of:

      15.8.1 any other right or remedy; or

      15.8.2 such right or remedy on any future occasion.

15.9  This Agreement may be executed in any number of counterparts and by each
      Party on separate counterparts, each of which when so executed and
      delivered shall be an original, but all such counterparts shall together
      constitute one and the same instrument.

15.10 Each Party agrees that this Agreement may only be varied or amended by an
      instrument in writing duly signed by each Party (although any such
      instrument may be executed in any number of counterparts and by each Party
      on separate counterparts).

15.11 Each Party declares (and each Party agrees and acknowledges in relation to
      the other Party) that insofar as any provision of this Agreement relates
      to any or each other member of a Party's Group, that Party holds the
      benefit of that provision as trustee for each such member of that Party's
      Group (provided that in exercising any such right as trustee that Party
      shall be entitled to limit the action that it takes to such action as it
      may, in its absolute discretion, consider appropriate), but each Party
      confirms that no term of this Agreement is enforceable under the Contracts
      (Rights of Third Parties) Act 1999 by a person who is not a party to this
      Agreement.

15.12 The perpetuity period for any trust established in this Agreement shall be
      80 years from the date hereof.

15.13 Nothing in this Agreement shall be deemed to constitute a partnership
      between the Parties.

15.14 If any provision of this Agreement is or becomes invalid, illegal or
      unenforceable in any respect under the law of any jurisdiction:

      15.14.1 the validity, legality and enforceability under the law of that
              jurisdiction of any other provision; and

      15.14.2 the validity, legality and enforceability under the law of any
              other jurisdiction of that or any other provision,
<PAGE>

              shall not be affected or impaired in any way.

15.15 For the purposes of the Completion Accounts or any adjustment to the
      consideration for the Shares required by clause 4, if any figure or amount
      referred to in this Agreement is required to be expressed or paid in [_]
      but shall need to be calculated from data or other information expressed
      in another currency, then (save as expressly provided otherwise in this
      Agreement) those amounts shall be converted into [_] by reference to the
      relevant exchange rate, as published in the Financial Times Exchange Cross
      Rates Table on the date of Completion.

15.16 For the purposes of determining whether any threshold or amount referred
      to in sub-clause 7.1.4 or the Warranties or the Repeated Warranties has or
      has not been exceeded, any figure or amount that shall need to be
      calculated from data or information expressed in another currency shall be
      converted into [_] by reference to the relevant exchange rate set out in
      Schedule 10.

16.   TAX RELATED MATTERS

16.1  The Purchaser shall or shall procure that an Insulation Business
      Undertaking shall supply copies of any tax return filed or any other
      document relating to the Taxation position of any Insulation Business
      Undertaking in respect of any period commencing prior to Completion within
      21 days of receiving a request from the Vendor or any member of the
      Vendor's Group for the same.

16.2  The Purchaser warrants and represents that it will:

      16.2.1 maintain all records and other documents required by law or
             customary practice in any jurisdiction which are in the possession
             of an Insulation Business Undertaking at Completion or which are
             required to be brought into existence after Completion in respect
             of all periods prior to Completion until the limitation period
             applying to claims by a Taxation Authority (as that term is defined
             in the Tax Deed) in any jurisdiction in which the said records or
             other documents may be relevant;

      16.2.2 indemnify the Vendor and any member of the Vendor's Group against
             any liability of the Vendor or any member of the Vendor's Group to
             pay any stamp duty or other documentary or transfer taxes arising
             in any jurisdiction in relation to the purchase of the Shares and
             Assets or the indirect acquisition of any of the assets owned by an
             Insulation Business Undertaking in each case pursuant to or as a
             consequence of the entering into of the Agreement (not including,
             for the avoidance of doubt, any stamp duty or other documentary or
             transfer taxes which are properly payable by an Insulation Business
             Undertaking as a consequence of a transfer of an asset to or by
             that Insulation Business Undertaking by a member of the Vendor's
             Group at a time when arrangements were in place to effect the
             purchase of the Shares and Assets) together with any costs incurred
             by the Vendor or any member of the Vendor's Group as a result of
             the non-payment by the Purchaser of any such stamp duty or other
             documentary or transfer taxes.
<PAGE>

17.  Intellectual property

17.1 With effect from Completion the Vendor shall:

     17.1.1 assign or procure the assignment to the Purchaser by the relevant
            member or members of the Vendor's Group of legal and beneficial
            title to the Business Intellectual Property in accordance with the
            terms of the Assignments;

     17.1.2 use its reasonable endeavours (reasonable expenses to be borne by
            the Purchaser) to assign, novate or sublicense (where permitted) or
            procure the assignment, novation or sublicensing to the Purchaser by
            the relevant member of the Vendor's Group of the benefit subject to
            the burden of all licences granted to the Vendor or any member of
            the Vendor's Group to use Intellectual Property Rights owned by
            third parties and used in respect of the Insulation Business. If any
            third party consents are required for such purpose the Vendor shall
            use its reasonable endeavours (reasonable expenses to be borne by
            the Purchaser) to obtain any such consent;

     17.1.3 provide all reasonable assistance to the Purchaser in respect of the
            domain names ARMAFLEX.COM, ARMAFLEX.ORG, ARMAFLEX.NET in order to
            effect the transfer of these to the Purchaser or as the Purchaser
            shall direct.

17.2 With effect from Completion the Purchaser shall provide all reasonable
     assistance to the Vendor in respect of the domain names ARMSTRONG.DE,
     ARMSTRONG.COM.PL, ARMSTRONG-INSULATION.COM , ARMSTRONG-PT.COM,
     ARMSTRONG-IP.COM in order to effect the transfer of these to the Vendor or
     as the Vendor shall direct.

17.3 Save as provided in 17.1.3 and 17.2 neither party shall be entitled to
     continue or commence making any use of any domain name which is owned by
     the other party or any member of the other party's Group.

17.4 The Vendor shall use reasonable endeavours to deliver to the Purchaser's
     Group on Completion or promptly thereafter:

     17.4.1 all original documents (or to the extent that originals are not
            available copies thereof) or other evidence of title (including,
            without limitation, all assignments and declarations of trust
            existing prior to Completion) which pertain to the Business
            Intellectual Property and Company Intellectual Property;

     17.4.2 in respect of the registered Business Intellectual Property and the
            Company Intellectual Property owned by the Vendor, a member of the
            Vendor's Group or an Insulation Business Undertaking as the case may
            be copies of all registration, renewal certificates and current
            renewal certificates;

     17.4.3 in respect of all applications by the Vendor, a member of the
            Vendor's Group or an Insulation Business Undertaking to register any
            Business Intellectual Property or Company Intellectual Property
            copies of application documentation;
<PAGE>

     17.4.4 all records and other documentation relating to and necessary for
            the information technology systems used in and required for the
            business of the Insulation Business Undertakings including but not
            limited to records, documentation and agreements in respect of
            computer software, hardware, telephone systems and their licensing,
            maintenance and support;

     and shall for a period of 6 months following Completion provide upon
     request by the Purchaser's Group reasonable assistance to the Purchaser's
     Group to effect the transfer of the management of the Business Intellectual
     Property and Company Intellectual Property from the Vendor to a company
     nominated by the Purchaser.

17.5 From the date of Completion the Purchaser agrees to be bound by and to
     observe and to procure that the members of its Group are bound by and
     observe the obligations of confidentiality imposed by the Confidentiality
     Agreements between the Vendor and the named third party in respect of
     information and know how disclosed in the Disclosure Letter against
     Warranty 4.1.6.

18.  COSTS

     Unless expressly provided otherwise in this Agreement (or any document in
     the agreed terms), the Parties shall pay their own costs in connection with
     the preparation and negotiation of this Agreement and any matter
     contemplated by it.

19.  NOTICES

19.1 A notice, approval, consent or other communication in connection with this
     Agreement:

     19.1.1 must be in writing;

     19.1.2 in respect of each Party to whom it is addressed, must be marked for
            the attention of the person specified by that Party in this clause;
            and

     19.1.3 in respect of each Party to whom it is addressed, must be left at
            the address of that Party, or sent by prepaid ordinary post (airmail
            if posted to a jurisdiction other than that from which it is posted)
            to the address of that Party which, in each case, is specified in
            this clause 19 or if that Party notifies the other Party of a
            replacement address then to that replacement address; or

     19.1.4 in respect of each Party to whom it is addressed, may be sent by
            facsimile to the facsimile number of that Party which is specified
            in this clause 19, or if that Party notifies the other Party of a
            replacement facsimile number then to that replacement facsimile
            number, provided that at the time of that facsimile transmission a
            copy of the said notice, approval, consent or other communication is
            also given to that Party in accordance with sub-clause 19.1.3;

            where, the address and facsimile number of each Party is:

            the Vendor
            Address: -   2500 Columbia Avenue, Lancaster 17603 Pennsylvania, USA
            Facsimile:   (1) 717 396 6133
<PAGE>

          Attention:  Deborah Owen (Secretary and General Counsel)

          the Purchaser
          Address:     Senckenbergaulage 20-22, 60325, Frankfurt-am-Main
          Facsimile:   (44) 01895 256869
          Attention:   Geschaftsfuhrer
          with a copy to Ulrich Weimer and Ulrich Lehman at Armstrong House, 38
          Market Square, Middlesex UB8 1NG

19.2 A notice, approval, consent or other communication shall take effect from
     the time it is received (or, if earlier, the time it is deemed to be
     received in accordance with sub-clause 19.3) unless a later time is
     specified in it.

19.3 A letter or facsimile is deemed to be received:

     19.3.1 in the case of a posted letter, unless actually received earlier, on
            the third (seventh, if posted to a jurisdiction other than that from
            which it is posted) day after posting; and

     19.3.2 in the case of a facsimile, on production of a transmission report
            from the machine from which the facsimile was sent which indicates
            that the facsimile was sent in its entirety to the facsimile number
            of the recipient.

20.  GOVERNING LAW, JURISDICTION AND SERVICE OF PROCESS

20.1 This Agreement (and any dispute, controversy, proceedings or claim of
     whatever nature arising out of or in any way relating to this Agreement or
     its formation) shall be governed by, and construed in accordance with,
     English law.

20.2 Each of the Parties irrevocably agrees that the courts of England shall
     have exclusive jurisdiction to hear and decide any suit, action or
     proceedings, or to settle any dispute, which may arise out of or in
     connection with this Agreement (respectively, "Proceedings" and "Disputes")
     and, for these purposes, each Party irrevocably submits to the jurisdiction
     of the courts of England.

20.3 Each Party irrevocably waives any objection which it might at any time have
     to the courts of England being nominated as the forum to hear and decide
     any Proceedings and to settle any Disputes and agrees not to claim that the
     courts of England are not a convenient or appropriate forum for any such
     Proceedings or Disputes and further irrevocably agrees that a judgment in
     any Proceedings or Disputes brought in any court referred to in this clause
     20 shall be conclusive and binding upon the Parties and may be enforced in
     the courts of any other jurisdiction.

20.4 Without prejudice to any other permitted mode of service the Parties agree
     that service of any claim form, notice or other document (each a
     "Document") for the purpose of any Proceedings begun in England shall be
     duly served upon it if delivered personally or sent by registered post, in
     the case of:

     20.4.1 the Vendor to Herbert Smith, Exchange House, Primrose Street, London
            EC2A 2HS (marked for the attention of David Paterson); and
<PAGE>

     20.4.2 the Purchaser to Ashurst Morris Crisp, Broadwalk House, 5 Appold
            Street, London EC2A 2HA (marked for the attention of Charlie
            Geffen/Jonathan Angell with reference GIL01.00001)

     or such other person and address in England or Wales as the Vendor shall
     notify the Purchaser in writing (or vice versa) from time to time.

IN WITNESS of which the Parties have executed this Agreement on the date first
mentioned above.
<PAGE>

SIGNED by BOB SILLS                )

for and on behalf of ARMSTRONG     )

WORLD INDUSTRIES INC.              )     ......BOB SILLS ..................

                                   )     Authorised Officer/Signatory



SIGNED by ULRICH WEIMER            )

for and on behalf of "ORION"       )

EINUNDVIERZIGSTE                   )

BETEILIGUNGSGESELLSCHAFT           )     ......ULRICH WEIMER .......

MBH                                )


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