50 Year Weatherization Sealant

Our 50 Year Weatherization Sealant is an energy efficient sealant that remains permanently flexible. It is waterproof and will not shrink or crack and can be applied in temperatures of -30 to 140°. The sealant is an ideal window or door seal and can also seal window sills, baseboards and other gaps and openings where a long lasting professional grade sealant is needed.