A two-part liquid urethane closed cell foam. For use in hulls and cavities for flotation or insulation. Not affected by gas or oil. Mix ratio is 1 to 1. 2 lbs./cu. ft. density. 2-quart kit provides about 2.5 cu. ft. of coverage. Provides about 2.5 cu. ft. of coverage | Hi-Bond Pour Foam Kit, 2 Quarts (2 lbs Per Cubic Foot Density)