EXHIBIT 99.2



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



I, Alan F. McIlroy, Vice President and Chief Financial Officer of Dayton
Superior Corporation (the "Company"), do hereby certify in accordance with 18
U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of
2002, that, to my knowledge:

     The Quarterly Report on Form 10-Q of the Company for the period ending
     March 28, 2003 (the "Periodic Report") fully complies with the requirements
     of section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C.
     78m or 78o(d)) and

     The information contained in the Periodic Report fairly presents, in all
     material respects, the financial condition and results of operations of the
     Company.

Dated: May 12, 2003



                                   /s/ Alan F. McIlroy

                                   Alan F. McIlroy

                                   Vice President and Chief Financial Officer