2 Gallon. 2 lbs. Density. A 1 to 1 mix liquid urethane foam with 2 pounds per cubic foot density which is not affected by solvents or gasoline. Produces 4 cubic feet per gallon. It bonds to wood, metal, or fiberglass and foams wherever it is poured. Provides extra flotation in boats and sound proofs and insulates hulls, walls, floors, seats, decks, or any cavity. Do not use below 70� F.