Firestop 400 Acrylic Sealant is a one-part, fire rated intumescent acrylic sealant designed for internal perimeter pointing of fire rated door and window frames, where the integrity of fire walls or partitions need to be maintained.
It has good adhesion to a wide variety of substrates without the use of primer. It has intumescent qualities which enable the material to swell under heat conditions producing a fire and smoke resistant seal.
Firestop 400 Sealant does not emit halogenated byproducts under fire conditions.
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Firestop 400 Intumescent Sealant
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