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