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Engineered to form a monolithic seal after drying, 3M™ Fire Barrier Sealant IC 15WB+ is a yellow, one-part, gun-grade, intumescent firestop sealant that provides up to 3-hour fire protection in tested and listed systems. This helps prevent the spread of fire, smoke and noxious gas, while also acting as an acoustic barrier to help minimize noise transfer.
Firestop tested for through penetration applications for up to 3 hours in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115
Applied with conventional caulking equipment with excellent caulk rate
Sealant designed to help minimize sound transfer
Fire resistance tested for static construction joint systems in accordance with ASTM E 1966 (UL 2079)
Sag-resistant properties offer clean application as well as strong adhesion
Water-based and paintable sealant provides easy application and clean-up
Exceptional adhesion for long-term performance
Sealant is re-enterable and repairable
Engineered to form a monolithic seal after drying, 3M™ Fire Barrier Sealant IC 15WB+ is a yellow, one-part, gun-grade, intumescent firestop sealant that provides up to 3-hour fire protection in tested and listed systems. This helps prevent the spread of fire, smoke and noxious gas, while also acting as an acoustic barrier to help minimize noise transfer.