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 three 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).

3M™, 7000059404, Fire Barrier Sealant, Intumescent, Pail Container, 4.5 gal Container, Latex/Water Base, Composition: Calcium Carbonate, Water, Polymer NJTS Reg. No. 04499600-7314, Sodium Silicate, Zinc Borate 2335, Fiberglass , Quartz Silica, Paste Form, Fire Rating: 3 hr, Yellow, Mild Odor/Scent, 40 to 122 deg F, 1.4 Specific Gravity, 200 deg F Flash Point, 8 to 9 pH, <4 g/L VOC, Flammability: 1, 85 psi Tensile Strength

HVAC Ducts and Vents, Metallic and Non-Metallic Pipes, Blank Openings, Single and Bundled Cables, Insulated Pipe, Pipe and Cable Through Penetrations, Busways, Combos, Rated Wall, Floor and Floor-Ceiling Assemblies and Static Construction Joints Applications