Exhibit 32.1


                   CERTIFICATION OF CEO AND CFO PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002



      In connection with the Quarterly Report on Form 10-Q of Building Materials
Corporation of America (the "Company") for the quarterly period ended March 30,
2008 as filed with the Securities and Exchange Commission on the date hereof
(the "Report"), Robert B. Tafaro, as Chief Executive Officer and President of
the Company, and John F. Rebele, as Senior Vice President, Chief Financial
Officer and Chief Administrative Officer of the Company, each hereby certifies,
pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, that, to the best of his knowledge and belief:


      (1)   The Report fully complies with the requirements of Section 13(a) or
            15(d) of the Securities Exchange Act of 1934; and

      (2)   The information contained in the report fairly presents, in all
            material respects, the financial condition and results of operations
            of the Company.


   /s/ Robert B. Tafaro
-------------------------------
Name:  Robert B. Tafaro
Title: Chief Executive Officer and President

Date:  May 14, 2008



   /s/ John F. Rebele
-------------------------------
Name:  John F. Rebele
Title: Senior Vice President,
       Chief Financial Officer
       and Chief Administrative Officer

Date:  May 14, 2008