Red Devil 0915 12 oz. Fireblock Foam (12 Pack)

Ready-to-use polyurethane expanding foam for filling, insulating and sealing gaps, cracks and openings in buildings. Adheres to wood, glass, metal, masonry, plastic. Use on window and door frames, pipes, electrical outlets, vents, foundations. Inhibits the passage of fire through residential utility penetrations. Excellent sealing against gas, smoke and energy loss. Interior/exterior use.