3M™ Fire Barrier Sealant IC 15WB+ is a high-performance latex-based intumescent firestop sealant. When properly installed, this product provides up to three hours of fire protection in tested and listed systems.
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.
Brands | 3M™ |
Composition | Acrylic |
Container Size (Imperial) | 4.5 Gallon (US), 10.1 fl oz, 20 fl oz |
Container Size (Metric) | 17 L, 300 mL, 591 mL |
Fire Rating | Up to 3 hr |
Fire Resistance Type | Intumescent |
Maximum Service Temperature (Celsius) | 82 °C |
Maximum Service Temperature (Fahrenheit) | 180 null |
Minimum Service Temperature (Celsius) | -28 °C |
Minimum Service Temperature (Fahrenheit) | -20 null |
Product Type | Sealant |
STC Rating | Up to 54 in a 54 Rated Wall |
Smoke Developed Index | 0 |
Smoke Seal | Yes |
Water Activated | No |
Water-tight | No |
Safety Data Sheets
Document Number: MSDS_1997766_CA_EN
(PDF)