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SpecSeal® Series FP intumescent firestop plugs are designed for temporary or permanent interior sealing of metallic conduits and conduit sleeves through gypsum board walls or concrete/masonry walls
Firestop plugs are soft, supple foam plugs molded from polyurethane. Plugs are conveniently sized to fit 2 or 4 inch diameter openings or sleeves fabricated from EMT. The intumescent plugs expand when exposed to heat to quickly close off combustible jacketed cables.
Intumescent - expands in all directions
Reinstallable - easy retrofitting of cables
Easy to install - no special tools required
Soft and resilient foam - conforms to cable surfaces