3M™ Fire Barrier CP 25WB+ Caulk

• Water Base: Easy clean up, no special handling, routine disposal
• Intumescent: Expands when heated to seal around items consumed by fire
• Endothermic: Absorbs heat energy, releases chemically bound water
• Thixotropic: Will not sag or run in overhead or vertical applications

Halogen-free

Fast dry : Tack-free in approximately 10-15 minutes

Paintable (Best results obtained after 72 hour cure)

Minimal shrinkage

Brown color

Water seal: Seals against inadvertent water spills in the unexpanded state

High caulk rate: 1000 g/min. with in. nozzle

Point contact allowed

Continuous Operating Temperature not to exceed 120°F (48°C)

Proudly made in the USA 

CP 25WB+ Caulk features superior adhesion strength, caulk rate and no sag application with expanded UL Classified fire protection systems plus a halogen-free formula.

3M Fire Barrier CP 25WB+ Caulk can be installed with a standard caulking gun, pneumatic pumping equipment or it can be easily applied with a putty knife or trowel. CP 25WB+ Caulk will bond to concrete, metals, wood, plastic and cable jacketing. No mixing is required.

Applications
Use to seal construction openings, blank openings and penetrating items against the passage of flame, noxious gas, smoke and water. Restores fire rated construction to original integrity. Also for use with 3M Brand Fire Barrier FS195+ Wrap/Strip and CS-195+ Composite Sheet.