Great Stuff Gaps & Cracks Professional Spray Foam Sealant (12 oz)
Expandable foam for sealing rim joists and large gaps
Stop the invisible energy leaks in your home’s envelope. This professional-grade polyurethane sealant expands to create an airtight, water-resistant bond in minutes. It is specifically designed to tackle larger gaps around rim joists, plumbing penetrations, and HVAC ductwork where standard caulking fails. The smart dispenser nozzle allows for precise application without requiring a separate professional foam gun.
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