3M™ Fire Barrier Silicone Sealant 2000+ is an elastomeric, ready-to-use, single-component, neutral-cure silicone sealant that cures upon exposure to atmospheric humidity. This sealant is designed to form a flexible firestop seal that also acts as a barrier to airborne sound transmission. Sealant is firestop tested up to 3 hours in accordance with ASTM E814 (UL 1479) and CAN/ULC S115.

3M™, 7100139278, Fire Barrier Sealant, Cartridge Container, 10.3 fl-oz Container, Composition: Calcium Carbonate, Dimethyl Siloxane, Dimethylvinylsiloxy-Terminated, Methyltrimethoxysilane, Stearic Acid, Paste Form, Fire Rating: 4 hr, Gray, Alcoholic Odor/Scent, 300 deg F, 1.34 Specific Gravity, 31 g/L VOC, Flammability: 1, 350 psi Tensile Strength

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• Engineered to provide optimum adhesion to a wide variety of construction materials
• Compression and extension capability of +/-13%
• Offers excellent caulk rate and applied with conventional caulking equipment
• One-part, silicone sealant, for use in both through-penetrations and construction joint applications cures upon exposure to atmospheric humidity to form a flexible seal
• Withstands construction conditions, durable sealant provides excellent weatherability during construction
• Remains elastomeric - bonds to most common construction materials with +/-13 percent dynamic joint movement capability
• Easily re-enterable - formulated as a re-enterable and repairable fire barrier solution