Exhibit 25.1
 
                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549
 
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                                   Form T-1
 
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                      STATEMENT OF ELIGIBILITY UNDER THE
                          TRUST INDENTURE ACT OF 1939
                     OF A CORPORATION DESIGNATED TO ACT AS
                                    TRUSTEE
 
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              Check if an application to determine eligibility of
                  a Trustee pursuant to Section 305(b)(2) [X]
 
                               MELLON BANK, N.A.
                               (Name of Trustee)
 
             25-0659306                                      U.S.
(I.R.S. Employer Identification No.)             (Jurisdiction of incorporation)
 
                            One Mellon Bank Center
                           Pittsburgh, PA 15258-0001
                    (Address of Principal Executive Office)
 
                                Elaine E. Renn
                                Vice President
                               MELLON BANK, N.A.
                            One Mellon Bank Center
                      Pittsburgh, Pennsylvania 15258-0001
                                (412) 234-2472
           (Name, Address and Telephone Number of Agent for Service)
 
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                       ARMSTRONG WORLD INDUSTRIES, INC.
                               (Name of Obligor)
                                       
                                 PENNSYLVANIA
        (State or Other Jurisdiction of Incorporation or Organization)
 
                                  23-0366390
                     (I.R.S. Employer Identification No.)
 
                 313 WEST LIBERTY STREET, LANCASTER, PA 17603
                   (Address of Principal Executive Offices)
 
                            SENIOR DEBT SECURITIES
                        (Title of Indenture Securities)

 
1. General information.  Furnish the following information as to the trustee --

   (a) Name and address of each examining or supervising authority to which
       it is subject.

            Comptroller of the Currency                 Washington, D.C.
            Federal Reserve Bank of Cleveland           Cleveland, Ohio
            Federal Deposit Insurance Corporation       Washington, D.C.

   (b) Whether it is authorized to exercise corporate trust powers.

            The trustee is authorized to exercise corporate trust powers.

2. Affiliations with the obligor.  If the obligor is an affiliate of the
     trustee, describe each such affiliation.

   The obligor is not an affiliate of the trustee.

Items 3-15 are not applicable since the Obligor is not in default on securities
issued under Indentures under which the applicant is trustee.

16. List of exhibits.  List below all exhibits filed as a part of this
     statement of eligibility.

     Exhibit 1      -  Copy of articles of association of the trustee as now in
                       effect, filed as Exhibit 1 to trustee's statement of
                       eligibility and qualification, Registration No. 33-46990,
                       and incorporated herein by reference.

     Exhibit 2      -  Copy of certificate of the authority of the trustee to
                       commence business, copy of certificate of consolidation
                       with the Union Trust Company of Pittsburgh and copy of
                       certificate approving merger of Mellon National Bank and
                       Trust Company into Mellon Bank, N.A. filed as Exhibit
                       T1A(b) to trustee's statement of eligibility and
                       qualification, Registration No. 33-13020, and
                       incorporated herein by reference.

     Exhibit 3      -  Copy of certificate as to authority of the trustee to
                       exercise corporate trust powers, filed as Exhibit T1A(c)
                       to trustee's statement of eligibility and qualification,
                       Registration No. 33-13020, and incorporated herein by
                       reference.

     Exhibit 4      -  Copy of existing by-laws of the trustee, filed as Exhibit
                       4 to trustee's statement of eligibility and
                       qualification, Registration No. 33-46990, and
                       incorporated herein by reference.

     Exhibit 5      -  Copy of each indenture referred to in Item 4, if the
                       obligor is in default.  Not Applicable.

     Exhibit 6      -  Consent of the trustee required by Section 321(b) of the
                       Act, filed as Exhibit T1D to trustee's statement of
                       eligibility and qualification, Registration No. 33-13020,
                       and incorporated herein by reference.

     Exhibit 7      -  Copy of the latest report of condition of the trustee
                       transmitted electronically pursuant to law or the
                       requirements of its supervising or examining authority.

 
                                   SIGNATURE

     Pursuant to the requirements of the Trust Indenture Act of 1939, the
trustee, Mellon Bank, N.A., a national banking association organized and
existing under the laws of the United States of America, has duly caused this
statement of eligibility to be signed on its behalf by the undersigned,
thereunto duly authorized, all in the city of Pittsburgh, and Commonwealth of
Pennsylvania, on the 7th day of June, 1996.



                                         MELLON BANK, N.A.
                                         TRUSTEE



                                         By: /s/    Elaine D. Renn
                                             --------------------------
                                                    Elaine D. Renn
                                                    Vice President

 
                                   EXHIBIT 7

                              REPORT OF CONDITION
               CONSOLIDATING DOMESTIC AND FOREIGN SUBSIDIARIES OF
                               MELLON BANK, N.A.
                             FOR MARCH 31, 1996

          In the Commonwealth of Pennsylvania, at the close of business on
March 31, 1996; Transmitted electronically in response to call made by
Comptroller of the Currency, under Title 12,  United States Code, Section 161.

          Charter No.  6301                   Northeastern District

                     STATEMENT OF RESOURCES AND LIABILITIES
                                 (in thousands)

                                                                                        
Assets
Cash and balances due from depository institutions:
  Noninterest-bearing balances and currency and coin........................................   $ 2,551,023
  Interest-bearing balances.................................................................     1,238,899
Securities:
  Held-to-maturity securities...............................................................     2,439,004
  Available-for-sale securities.............................................................     3,099,006
Federal funds sold and securities purchased under agreements
  to resell in domestic offices of the bank and of its
  Edge and Agreement subsidiaries, and in IBFs:
  Federal funds sold........................................................................       702,797
  Securities purchased under agreements to resell...........................................        30,000
Loans and lease financing receivables:
  Loans and leases, net of unearned income....................................   $22,883,119
  LESS:  Allowance for loan and lease losses..................................       307,557
  Loans and leases, net of unearned income, allowance, and reserve..........................    22,575,562
Assets held in trading accounts.............................................................       267,077
Premises and fixed assets (including capitalized leases)....................................       471,772
Other real estate owned.....................................................................        61,625
Customers' liability to this bank on acceptances outstanding................................       245,337
Intangible assets...........................................................................     1,092,534
Other assets................................................................................     1,476,962
 
                   Total Assets.............................................................    36,251,598
 
Liabilities
Deposits:
  In domestic offices.......................................................................    22,173,508
     Noninterest-bearing......................................................     6,940,994
     Interest-bearing.........................................................    15,232,514
  In foreign offices, Edge and Agreement subsidiaries, and IBFs.............................     3,670,489
     Noninterest-bearing......................................................        21,548
     Interest-bearing.........................................................     3,648,941
Federal funds purchased and securities sold under agreements
  to repurchase in domestic offices of the bank and of its
  Edge and Agreement subsidiaries, and in IBFs:
  Federal funds purchased...................................................................     2,113,635
  Securities sold under agreements to repurchase............................................     1,256,071
Demand notes issued to the U.S. Treasury....................................................       319,803
Trading liabilities.........................................................................       247,310
Other borrowed money:
  With remaining maturity of one year or less...............................................     1,560,260
  With remaining maturity of more than one year.............................................       164,882
Mortgage indebtedness and obligations under capitalized leases..............................         2,898
Bank's liability on acceptances executed and outstanding....................................       245,337
Subordinated notes and debentures...........................................................       698,251
Other liabilities...........................................................................       802,115
                       Total Liabilities....................................................    33,245,559
Equity Capital
Common stock................................................................................       167,285
Surplus (exclude all surplus related to preferred stock)....................................       831,676
Undivided profits and capital reserves......................................................     2,028,643
Net unrealized holding gains (losses) on available-for-sale securities......................       (23,949)
Cumulative foreign currency translation adjustments.........................................        (6,616)
                       Total Equity Capital.................................................     2,997,039
                       Total Liabilities, Limited-Life Preferred Stock, and Equity Capital..    36,251,598





 
  I, Michael K. Hughey, Senior Vice President and Corporate Controller of the
above-named bank, do hereby declare that this Report of Condition is true and
correct to the best of my knowledge and belief.

                                                            Michael K. Hughey
                                                            May 6, 1996


          We, the undersigned directors, attest to the correctness of this
Statement of Resources and Liabilities.  We declare that it has been examined by
us, and to the best of our knowledge and belief has been prepared in conformance
with the instructions and is true and correct.

                                                            Frank V. Cahouet
                                                            W. Keith Smith
                                                            Charles A. Corry