HDX Window and Door Silicone is a 100% silicone rubber sealant that is ideal for sealing cracks and gaps around windows doors, plumbing openings, vents and ducts. It provides a watertight flexible seal that is resistant to sunlight, rain, snow and extreme temperatures. Cured bead will not crack, crumble or shrink and adheres to most wood, metal, vinyl siding, drywall/plaster, glass and painted surfaces. It is designed to be used on windows, doors, siding, trim, gutters and molding. Once cured, it is unaffected by temperature extremes (-60°F to 400°F).
California residents: see Proposition 65 information
- Meets ASTM Specification C-920, Type-S, NS Class 25, use NT, M, G and A test requirements. Fed. Spec TT-S-00230C and TT-S-001543A
- Lifetime flexibility
- Compliant for incidental food contact under FDA Reg. 21-CFR-177.2600