Sign up for 3M Fire Barrier Sealant CP 25WB+ - Red Intumescent Firestop Sealant (20 Fl Oz)
Contractors and safety professionals, this 3M fire barrier sealant is serious protection for your building projects!
The red, intumescent formula expands when exposed to heat, creating a barrier that helps control the spread of fire, smoke, and toxic gases.
Rated for up to 4-hour fire protection and tested to ASTM E814 and UL 1479 standards, this is professional-grade fire protection.
The water-based latex formula is sag-resistant for clean application and strong adhesion in both wall and floor applications.
It even provides an STC 54 sound rating to help minimize airborne noise transmission.
The paintable, re-enterable, and repairable properties make it practical for ongoing maintenance.
Easy water cleanup and the sausage pack format works with standard caulking guns.
Perfect for sealing penetrations in fire-rated walls and floors where pipes, cables, or ducts pass through.
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