From the #1 Silicone brand, 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 wires and pipes. Its same-day rain-ready formula is extremely flexible with strong adhesion and resistance to stain-causing mold and mildew growth with 7-year mold-free product protection.
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100% Waterproof and same-day water-ready
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Mold resistant with 7-year mold-free product protection
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Permanently flexible
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Meets ASTM C-920, class 25
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Strong adhesion and durability
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Same-day rain-ready
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Shrink and crack-proof
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Freeze and sun-proof
