3M Fire Barrier CP 25WB+ Sealant

3M Fire Barrier CP 25WB+ Sealant

3M Fire Barrier CP 25WB+ Sealant is a high-performance, ready-to-use, gun-grade, latex-based, intumescent sealant that dries to form a monolithic firestop seal that also acts as a barrier to airborne sound transmission. It helps control the spread of fire, smoke and noxious gasses before, during and after exposure to a fire when installed in accordance with a listed through penetration or fire-resistive joint assembly system. 3M Fire Barrier CP 25WB+ Sealant firestops blank openings and penetrations passing through fire-rated floor, floor/ceiling or wall assemblies and other fire-rated interior building construction. The unique intumescent property of this material allows it to expand and help maintain a firestop penetration seal for up to 4 hours as penetrants are exposed to fire. This sealant exhibits excellent adhesion to a full range of construction substrates and penetrants. Dries to a red colour, no mixing is required. Available in various sizes including 10.1 fl. oz. cartridges, 20 fl. oz. sausages, 27 fl. oz. cartridges, 2 gallon pails and 5 gallon pails.

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