
STI SpecSeal LC Endothermic Sealant is a safe-to-use water based firestop device made to seal penetrations while keeping fire, smoke, toxic fumes and water from passing. Using a High Solids Formula, series LC firestop sealant will attach to all construction surfaces and will not shrink when it dries. A premium latex binder allows STI endothermic sealant the flexibility to easily fill penetrations while working with caulk guns, trowels or putty knives. Size: 10.1 oz Tube
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