Spray Foam Sealant Insulation — 2-Pack

Seal gaps, cracks, and holes in exterior walls with this expanding polyurethane foam. The straw applicator delivers foam precisely into 1/8- to 3-inch gaps. Expands 3x to fill irregular voids completely. Paintable and sandable once cured (cures in 8 hours). Reduces drafts, noise, and moisture infiltration around windows, doors, and pipes.