OSI Fire, Smoke & Draft Stop Sealant, 10-oz. Door & Window Insulation Use in DC+ in any

Use in DC+ in any position

Wait two hours after application

water filters and instant hot water dispensers to existing water supply

It even works with oil filters

OSI Fire, Smoke & Draft Stop Sealant, 10-oz. Door & Window Insulation Use in DC+ in anyFlameseal 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