
3M Fire Barrier Sealant CP 25WB+
3M™ Fire Barrier Sealant CP-25WB+ is a premium, latex-based intumescent sealant designed for reliable firestop protection. It provides up to 4 hours of fire resistance, forming a robust barrier to slow the spread of fire, smoke, and harmful gases. The sealant expands under high heat, ensuring a secure seal around penetrations and joints. With a water-based, paintable formula, it’s easy to apply, clean, and re-enter for repairs, making it an efficient solution for fire-rated assemblies. Features: Fire Protection: Certified to provide up to 4 hours of fire resistance in through-penetration applications (ASTM E 814, UL 1479). Ease of Use: Compatible with standard caulking tools for quick and precise application. Clean Application: Sag-resistant formula ensures neat, strong adhesion on various substrates. Paintable and Repairable: Allows for easy customization and re-entry without compromising performance. Sound Reduction: Effectively minimizes sound transmission with an STC rating of 54 i