3M Fire Barrier Sealant 1000NS - Watertight, Silicone - 10.1 oz, Gray

3M Fire Barrier Water Tight Sealant 1000 NS is a ready-to-use, single component, neutral cure silicone sealant designed to provide a flexible firestop seal for a variety of applications. This 10.1 oz. fire resistant waterproof sealant cures upon exposure to atmospheric humidity, forming a durable and watertight seal that helps control the spread of fire, smoke, and noxious gases before, during, and after fire exposure. Ideal for sealing joints and gaps in construction, this fire block sealant is trusted for its reliable performance in both residential and commercial settings. The 3M Fire Barrier Water Tight Sealant 1000 NS is easy to apply and offers long-lasting protection, making it a preferred choice for professionals seeking a fireproof sealant that also delivers excellent water resistance. Use this firestop sealant to help ensure safety and compliance in fire-rated assemblies, while also benefiting from its strong adhesion and flexibility. Choose 3M for a fire resistant sealant that meets demanding safety standards and provides peace of mind in critical fire barrier applications.