About This Multi-surface polyurethane sealant for exterior horizontal or vertical surfaces such as concrete, brick, metal, wood, stucco, masonry, flashing, sidings and more Easy to apply with conventional caulking gun for extreme flexibility and superior performance in dynamic joints Non-sag, polyurethane sealant offers excellent primerless adhesion to porous substrates Durable, general purpose sealer forms a soft skin within 6 hours of application and dries tack free in 30 hours Meets and exceeds the requirements for: ASTM C920 Type S, Grade NS, Class 25, Use T, NT, M, A, I class II, and O -- U.S. Federal Specification TT-S-00230C, Class A, Type II -- CAN/CGSB-19.13-M87 --USDA regulation for indirect food contact --Canadian Food Inspection Agency --City of Los Angeles (COLA) approval standards Overview Material : Polyurethane Brand : Tremco Style : Cartridge Item Weight : 12.25 Pounds Water Resistance Level : Waterproof