We formulated this fire sealant to dry and form a monolithic firestop seal that also acts as a barrier to airborne sound transmission. 3M™ Fire Barrier Sealant CP 25WB+ is a red, one-component, gun-grade, latex-based, intumescent firestop sealant. This fire barrier sealant helps control the spread of fire, smoke and noxious gases before, during and after exposure to a fire.
|Application:||HVAC ducts and vents, metallic and non-metallic pipes, blank openings, single and bundled cables, insulated pipe, pipe and cable through-Penetrations, busways, combos, rated wall, floor and floor-ceiling assemblies, static construction joints.|
|Rating:||4 hour Fire Rating|
|Size:||10.1 fl. oz.|