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 is re-enterable and repairable
• Applied with conventional caulking equipment with excellent caulk rate
• Sag-resistant properties offer clean application as well as strong adhesion
• Sealant designed to help minimize sound transfer
• Firestop tested for through penetration applications for up to 3 hours in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115
• Water-based and paintable sealant provides easy application and clean-up
• Exceptional adhesion for long-term performance
• Fire resistance tested for static construction joint systems in accordance with ASTM E 1966 (UL 2079)

• Product Color : Yellow
• Smoke Seal : Yes
• Fire Rating : 3 Hour
• Color Family : Yellow
• Sound Barrier : 54 in 54
• Product Type : Sealant
• Volume (Imperial) : 10.1 fl oz
• Water-tight : No
• Product Number : 15WB+