Used to seal seams and edges on window flanges, corners, joints, rips, punctures, and tears. With a high-strength coated polypropylene film, CertaTape won’t break down over time, so you can be sure of dependable performance over the long term. CertaTape helps you improve the integrity of the building’s envelope by reducing air and moisture penetration.
1-1/8" x 165' roll
WARNING:Cancer and Reproductive Harm - www.P65Warnings.ca.gov