All Purpose Silicone 1 sealant is a 100% silicone and 100% weatherproof sealant ideal for areas that could be exposed to weather. These areas include windows, doors, siding, trim, molding, baseboards, vents, basements, attics and around wires and pipes. Its same-day rain-ready formula is extremely flexible with strong adhesion and resistant to stain-causing mold and mildew growth with 7-year mold-free product protection. Backed by a lifetime guarantee.

Adheres to: most metals, plastics & woods, glass, drywall, plaster, granite, cultured marble, ceramic & porcelain tile, natural stone, cement board, composites, Formica, fiberglass, aluminum & painted surfaces

100% silicone
100% weatherproof
7-year mold-free product protection†
Meets ASTM C-920, Class 25
Permanently flexible
Strong adhesion & durability
Same-day rain-ready†
Shrink & crack-proof
Resists UV degradation
Lifetime guarantee†
Non-paintable