3M Fire Barrier Sealant IC 15 WB+
Establish a Strong Firestop Barrier
Designed to prevent the spread of fire, smoke and noxious gas, 3M™ Fire Barrier Sealant IC 15WB+ is a one-part, gun-grade, latex-based, intumescent firestop sealant. This firestop sealant provides up to 3-hour fire protection in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115. In addition, this product is fire resistance tested for static construction joint systems in accordance with ASTM E 1966 (UL 2079). This sealant has been formulated to form a monolithic firestop seal that also helps minimize sound transfer, acting as a barrier to airborne sound transmission (STC-Rating of 54 when tested in a STC 54-rated wall assembly).
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Description
- Firestop tested for through penetration applications for up to 3 hours in accordance with ASTM E 814 (UL 1479) and CAN/ULC S115
- Sealant designed to help minimize sound transfer
- Firestop sealant is compatible with CPVC piping
- Water-based and paintable sealant provides easy application and clean-up
- Exceptional adhesion for long-term performance
- Applied with conventional caulking equipment with excellent caulk rate
- Sag-resistant properties offer clean application as well as strong adhesion
- Sealant is re-enterable and repairable
- Fire resistance tested for static construction joint systems in accordance with ASTM E 1966 (UL 2079)
Download the MSDS PDF: MSDS
Recommended Applications
- HVAC ducts and vents
- Metallic and non-metallic, including CPVC pipes
- Blank openings
- Single and bundled cables
- Insulated pipe
- Pipe and cable through-Penetrations
- Busways
- Combos
- Rated wall, floor and floor-ceiling assemblies
- Static construction joints

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