OSI Fire, Smoke & Draft Stop Sealant, 10-oz.

OSI Fire, Smoke & Draft Stop Sealant, 10-oz.Flameseal is primarily used fo service penetrations around pipes, vents, ducts, and joints in horizontal and vertical fire separations. Adheres to wood, gypsum board, concrete, steel, copper, cast iron, and other common building materials. Lab tested and compatible with ABS, PVC, CPVC, PP, PE and PB plastic materials. Also compatible with all electrical wiring and telecommunication cables listed in the firestop system designs. All other substrates