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™ Fire Barrier Sealant, Intumescent, Sausage Pack Container, 20 fl-oz 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

• Firestop tested for through-penetration applications for up to 3 hr
• Sealant designed to help minimize sound transfer
• Firestop sealant is compatible with CPVC piping
• Water based and paintable sealant provides easy application and cleanup
• Exceptional adhesion for long term performance
• Fire-resistance tested for static construction joint systems
• Sealant is re-enterable and repairable
• Sag-resistant properties offer clean application as well as strong adhesion
• Applied with conventional caulking equipment with excellent caulk rate

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• Line Drawing
• Material Safety Sheet
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• SDS
• Specification Sheet
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• Specification Sheet
• Specification Sheet
• Technical Drawing