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. Sealant designed to help minimize sound transfer Water-based and paintable sealant provides easy application and clean-up Exceptional adhesion for long-term performance
