3M™ Fire Barrier Sealant CP 25WB+
3M™ Fire Barrier Sealant CP 25WB+ is a high-performance, ready-to-use, gun-grade, latex-based, intumescent sealant that dries to form a firestop seal that also acts as a barrier to airborne sound transmission.
Application
Ideal for sealing single or multiple through penetrations in
Typically used in mechanical, electrical and plumbing applications to firestop openings created by the following:
Metallic pipe
Plastic pipe (excluding CPVC),
Conduit
Power and communication cable
Cable trays
Busways, combos,
Insulated pipe and HVAC duct.
Properties
Fire Rating: Tested for up to 4-hour fire protection.
Intumescent: Expands rapidly when heated to seal gaps against fire, smoke, and noxious gases.
Acoustic Barrier: Minimizes noise transfer.
Convenience: Water-based for easy soap-and-water cleanup, halogen-free, paintable, re-enterable, and repairable.