GREAT STUFF Big Gap Filler Insulating Foam Sealant is an expanding foam sealant that fills, seals and insulates gaps up to 3 inches. This ready-to-use sealant is specially formulated to take on common areas of energy loss such as rim joists/sill plates, plumbing, HVAC, and other larger penetrations. Also great for creating larger weather-tight seals to stop drafts and keep critters out.
- Expands to fill, seal, and insulate gaps up to 3 inches (76mm)
- Forms a long-lasting, airtight, weather-resistant seal
- Can be used in interior or exterior application and is tack free in 5-15 minutes. Trims in 1 hour. Paintable, sandable and stainable
- Foam elasticity properties allows for movement and shifting within a structure
- Cures as a cream colored, rigid foam, ease of application results from all direction dispensing
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