GE Silicone I All Purpose Caulk, 10.1 Oz. Tube, White, GE112A GE 100% Silicone is 100% waterproof and 100% weatherproof. Permanently flexible to keep gaps sealed, shrink-proof and crack-proof Will not break down due to extreme weather conditions Cured sealant is resistant to stain-causing mold and mildew growth Fast cure with 30-minutes tack free and 12-hour water exposure Ideal for exterior weatherproofing and sealing projects including windows, doors, siding, trim, and around vents, wire and pipes Exceeds ASTM C920 Class 25 specifications Permanently flexible to keep gaps sealed, shrink-proof and crack-proof Compliant for incidental food contact under FDA 21 CFR177.2600 Adheres to most wood, metal, vinyl siding, drywall, plaster, glass and plastic Permanently weatherproof 100% Silicone Typical Uses: windows, doors, siding, trim, molding, baseboards, vents, around wires/pipes and other attic/basement applications Adheres to: Most wood, metal, vinyl siding, drywall/plaster, glass and plastic Meets federal specifications: TT-S-001543A (COM-NBS), TT-S-00230 (COM-NBS), ASTM-C-920 type S, NS, class 25 use NT, G A&O test requirements