2lb Density Expanding Cast Foam, 2-Piece Polyurethane Closed Cell Liquid Foam for Boat and Dock Flotation, Sound Insulation, Filling Gaps and Insulation (1 Gallon Kit)

Description

🛠️ Float, Fill, and Fortify—Foam That Works as Hard as You Do!

This 2lb density expanding polyurethane foam kit delivers 5 cubic feet of closed-cell buoyant foam designed for non-structural filling, soundproofing, and insulation. With a quick 45-second working time and full expansion in 5 minutes, it’s engineered for marine and dock flotation applications, meeting US Coast Guard safety standards and resisting water absorption for long-lasting performance.