3M CP25WB+ Fire Barrier Sealant 20oz

• Firestop tested up to four hours in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115
• Fire resistance tested for static construction joint systems in accordance with ASTM E 1966 (UL 2079)
• Helps minimize sound transfer
• Applied with conventional caulking equipment
• Expansive UL and other third-party listed systems
• Halogen-free
• Sag-resistant
• Excellent adhesion

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.

Suggested Applications

• Ideal for sealing single or multiple through penetrations in fire-rated constructions
• Use to firestop blank openings and static construction joints