3M™ Fire Barrier Sealant CP 25WB+ is a high-performance latex-based intumescent firestop sealant. When properly installed, this product provides up to four hours of fire protection in tested and listed systems.
Applied with conventional caulking equipment
Excellent adhesion
Expansive UL and other third-party listed systems
Fire Resistance tested for static construction joint systems in accordance with ASTM E 1966 (UL 2079)
Firestop tested up to four hours in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115
Halogen-free
Helps minimize sound transfer
Sag-resistant
