3M Fire Barrier Sealant CP 25WB+ is a high-performance latex-based intumescent firestop sealant. When properly installed, this product provides up to 4-hour fire protection in tested and listed systems. Firestops items penetrating through fire-rated construction assemblies. Dries to red color, no mixing required.
- Firestop tested up to 4 hours in accordance with ASTM E 814 (UL 1479) & 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 (excellent caulk rate)
- Expansive UL and other third-party listed systems
- Excellent adhesion
10.1 fl. oz. cartridge