3M Fire Barrier Sealant – CP 25WB+

Sag-resistant properties offer clean application as well as strong adhesion in both wall and floor applications

Water-based and paintable sealant provides easy application and clean-up

Sealant is re-enterable and repairable

Fire resistance tested for static construction joint systems in accordance with ASTM E 1966 (UL 2079)

Sealant helps minimise sound transfer

The firestop sealant was formulated to dry and form a monolithic 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.

OEM Recommended Applications

• 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

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