DAP Touch N Foam Professional Wall and Cavity Foam with Widespray Applicator kits are portable, self contained one component polyurethane foam dispensing kits. When used according to manufacturer's directions, they effectively air seal and insulate homes and buildings while enhancing R Value and providing Class A fire resistance. The patent pending technology offers a broadcast spray solution similar to two component systems, but in a less complicated, easier to use one component solution. This one component system can be applied in a wide temperature range of 40 F to 120 F. Great for repairs, renovations and new installations. Not to be used for direct overhead spraying applications.