3M™ Fire Barrier Water Tight Sealant 1000 NS is a non-slump, ready-to-use, single component, neutral cure, silicone sealant that cures upon exposure to atmospheric humidity to form a flexible firestop seal. This water tight sealant help control the spread of fire, smoke and noxious gases before, during and after exposure to fire.

3M™, 7000006377, Fire Barrier Spray, Watertight, Cartridge Container, 10.1 fl-oz Container, Composition: Calcium Carbonate, Poly(Dimethylsiloxane), Siloxanes, Silcones, Di-Me, Hydroxy-Terminated, Ketoxime Silane, Amorphous Silica, (Trimethoxysilylpropyl) Ethylenediamine, Octamethylcyclotetrasiloxane, Quartz Silica, Paste Form, Fire Rating: 3 hr, Gray, Low Odor/Scent, 300 deg F, 1.31 to 1.33 Specific Gravity, >212 deg F Flash Point, <=53 g/L VOC, Flammability: 1, 85 psi Tensile Strength

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• Firestop tested up to 3 hr
• Excellent caulk rate and sealant can be applied with conventional caulking equipment
• Non-slump, halogen-free formula provides strong adhesion
• Minimizes noise transfer (stc-rating of 56 when tested in stc 56 rated wall assembly)
• One-part, non-slump silicone sealant, for use in both through- penetration and construction joint applications cures to form a flexible seal
• Withstands construction conditions, durable sealant provides excellent weatherability during construction
• Primer paint ready, sealant is paintable with primer
• Easily re-enterable - formulated as a re-enterable and repairable fire barrier solution