Covers 600 board feet or approximately 43 Cubic Feet. R-Value R-7 per inch. Stops Mold and Moisture. Completely seals out unwanted air leaks. Protects against dust, air infiltration, and sound. Ready-to-use, disposable and recyclable. The Slow Rise formula becomes tack-free in approximately in 3 minutes. Beneficial for applications that require the foam to reach far-off areas before setting. Closed cell slow rise formula for existing walls, perform drill and fill operations behind the plaster or drywall, making it perfect for updating older houses and structures DO NOT apply this foam to open walls as it will run down from the surface, it is designed for existing walls and gaps. ASTM E84 Approved Class A Building Material (Lowest Fire Spread Rate and Minimal Smoke Production) Drill injection holes on closed wall cavities and let the foam expand slowly. Closed cell slow rise formula for existing walls, perform drill and fill operations behind the plaster or drywall, making it perfect for updating older houses and structures. The Slow Rise formula becomes tack-free in approximately 3 minutes. This is beneficial for applications that require the foam to reach far-off areas before setting. DO NOT apply this foam to open walls as it will run down from the surface, it is designed for existing walls and gaps. This kit comes ready to spray with a 15 ft. Gun/Hose Assembly, Gloves, Coverall, Safety Glass, and 8 Nozzle Tips.