Fiberglass Supply Depot 2 lb. Density Expanding Foam Kit: 2 Part Closed Cell Polyurethane Liquid Foam for Boat and Dock Flotation Insulation

Fiberglass Supply Depot Inc. 2 lb. density pourable urethane foam expands fast to fill underfloor cavities flotation chambers dock floats and more for maximum buoyancy and safety. This two-part liquid mix and pour foam for flotation and insulation has a simple 1:1 mix ratio that makes it easy to measure and easy to use. There’s no such thing as an unsinkable boat but if the unthinkable happens you can improve your chances of staying afloat.