OSI Fire, Smoke & Draft Stop Sealant, 10-oz. Valve-Boiler Drain durability

durability

Product Begins Working Once Dry

Certified for use in potable water and hydronic heating system applications

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OSI Fire, Smoke & Draft Stop Sealant, 10-oz. Valve-Boiler Drain durabilityFlameseal 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