FOAM-LOK 450 Spray Polyurethane Foam Insulation is a high-performance, open-cell material for attics, cavity walls, and over metal and other critical areas. It delivers a continuous air barrier that eliminates air infiltration, which can cause as much as 40 percent of your building’s energy loss.
Also provides noise attenuation and enhanced moisture control. Adheres to framing members and substrates. Fills stud wall construction in a single application.