GE all purpose silicone 1 sealant, black, 101oz All purpose silicone 1 sealant is a 100 silicone and 100 weatherproof sealant ideal for areas that could be exposed to weather Common uses include windows, doors, siding, trim, molding, baseboards, vents, basements, attics and around wiresandpipes Its sameday rainready formula is extremely flexible with strong adhesion and resistance to staincausing mold and mildew growth with 7year moldfree product protection