3M Fire Barrier Sealant IC 15WB+, Yellow, 10.1 fl oz Cartridge, 12/Case

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

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.

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).

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

Formulated for Protection and Ready for Inspection
We’ve formulated 3M™ Fire Barrier Sealant IC 15WB+ to be easily cleaned-up with water. This sealant is paintable, as well as re-enterable and repairable. It is a halogen-free sealant that features exceptional adhesion, excellent caulk rate and sag-resistance. In addition, inspectors can instantly recognize 3M™ Fire Barrier Sealant IC 15WB+ by its distinctive yellow color.

3M™ Fire Barrier Sealant IC 15WB+ firestops through penetrations passing through fire-rated floor, floor/ceiling or wall assemblies, as well as other fire-rated interior building partitions and assemblies (e.g. static construction joints or blank openings). In addition, the unique intumescent property of this material allows 3M™ Fire Barrier Sealant IC 15WB+ to expand and help maintain a firestop penetration seal for up to 3 hours of fire exposure. 3M™ Fire Barrier Sealant IC 15WB+ bonds to most construction substrates, including: gypsum wallboard, concrete, metals, wood, plastic and cable jacketing. This sealant meets the intent of LEED® VOC environmental regulations, International Building Code (IBC) and other key life safety building code requirements.

Reliable and Affordable Fire Protection
Effective and easy to install, 3M™ Fire Barrier Sealant IC 15WB+ is part of our family of fire protection products that offer the broadest, long-lasting solutions for a variety of commercial, industrial and residential applications. As a trusted leader in the fire protection industry, 3M offers a broad line of affordable products designed to meet the most demanding firestop requirements. Find the solution you need from the industry-preferred line of fire protection products.

Trusted Brand And Model

The 3M Fire Barrier Sealant IC 15WB+ is a reliable choice for fire protection. This yellow, one-part sealant is designed by 3M, a trusted name in safety products, ensuring quality and performance you can count on.

Its model IC 15WB+ is specifically formulated to provide effective firestopping, making it suitable for various commercial and residential applications. The brand and model guarantee a tested and proven solution for fire barriers.

Effective Fire Protection Grade

This sealant offers up to 3 hours of fire resistance, meeting ASTM E 814 (UL 1479) and CAN/ULC S115 standards. Its intumescent properties expand during fire exposure to maintain a secure seal, preventing fire, smoke, and gas spread.

Additionally, it is fire resistance tested for static construction joint systems under ASTM E 1966 (UL 2079). This grade of protection is essential for maintaining safety in rated wall, floor, and ceiling assemblies.

Convenient Cartridge Format

The product comes in a 10.1 fluid ounce cartridge, designed for easy application with conventional caulking equipment. This format ensures a clean, controlled application with excellent caulk rate and sag resistance.

Its gun-grade consistency allows for precise sealing around HVAC ducts, pipes, cables, and other penetrations. The cartridge format supports quick installation and efficient use on-site.

Sound And Smoke Barrier

Besides fire protection, this sealant helps minimize sound transfer, acting as an acoustic barrier. It has an STC rating of 54 when tested in a rated wall assembly, reducing airborne noise effectively.

Its yellow color also helps inspectors quickly identify the sealant during safety checks. This dual function enhances building safety by controlling both fire and sound transmission.

Bulk Pack Convenience

Available in a 12 per case pack, the 3M Fire Barrier Sealant IC 15WB+ offers convenience for larger projects. This bulk packaging supports consistent supply and reduces the need for frequent reordering.

The water-based, paintable sealant is also re-enterable and repairable, making it practical for ongoing maintenance. Its packaging and features make it a cost-effective choice for firestop needs.