Gardner, 29 FL OZ, Leak Stopper Roof Patch, A Fiber Reinforced Trowel Grade Rubberized Roof Patch, This Specially Designed Roof Patch Permanently & Instantly Repairs Even Problem Leaks In Wet Or Dry Conditions, It Also Stretches To Prevent Cracking & Lasts 4 Times Longer Than Other Products, 10 Year Warranty.