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                                                                   EXHIBIT 32.1

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

The undersigned officer of Chase Corporation (the "Company") hereby certifies
that the Company's Annual Report on Form 10-K for the year ended August 31, 2004
(the "Report"), as filed with the Securities and Exchange Commission on the date
hereof, fully complies with the requirements of Section 13(a) or 15(d), as
applicable, of the Securities Exchange Act of 1934, as amended, and that the
information contained in the Report fairly presents, in all material respects,
the financial condition and results of operations of the Company. This
certificate is furnished solely pursuant to 18 U.S.C. Section 1350, as adopted
pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.

Date:  November 22, 2004

/s/ PETER R. CHASE
Peter R. Chase
President & Chief Executive Officer