3-1/2 in. x 50 ft. Styrofoam Closed-Cell Sill Seal Foam Gasket, Blue | DUP-334173

Dupont's 3-1/2 in. x 50 ft. Styrofoam Sill Seal Foam Gasket (Blue) offers a practical solution for helping minimize drafts, improve building envelope performance, and support long-term structural protection. The lightweight foam roll is easy to cut and install using standard construction tools, allowing builders and homeowners to quickly create a continuous seal beneath wood sill plates. Suitable for wood-frame construction over concrete foundations, this foam gasket helps contribute to improved comfort, reduced air leakage, and dependable performance in a wide range of residential and commercial building applications.

• Closed-cell polyethylene foam construction helps reduce air infiltration and moisture transfer
• Flexible design conforms to minor foundation irregularities for improved sealing performance
• Lightweight foam roll is easy to cut and install with standard construction tools
• Helps improve energy efficiency by reducing drafts between the sill plate and foundation
• Suitable for residential, commercial, remodeling, and new construction applications