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

In connection with the Quarterly Report of Lydall, Inc. (the “Company”) on Form 10-Q for the period ending June 30, 2002 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Walter A. Ruschmeyer, Executive Vice President – Finance and Administration, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

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.

August 13, 2002

/s/  Walter A. Ruschmeyer

Walter A. Ruschmeyer

Executive Vice President – Finance

and Administration, Chief Financial Officer