- 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
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.