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DAP 100% Silicone Rubber Window, Door & Siding Sealant is a durable, 100% waterproof and weatherproof sealant for sealing out drafts, water and moisture around windows, doors, siding, gutters, flashing, pipes, vents and more. It stays flexible to withstand expansion and contraction without cracking or losing adhesion.
- Cured sealant is mold and mildew resistant
- When tested in accordance with ASTM C719 meets the ASTM C920 requirements for class 25
- Excellent durability, flexibility and adhesion
