J-B Weld RTV Silicone Sealant and Adhesive - Heavy Duty, Automotive - 3 oz, Black

J-B Weld Black Silicone Sealant & Adhesive is a heavy duty, general purpose RTV (Room Temperature Vulcanized) silicone designed for sealing and bonding uneven surfaces. This black RTV sealant forms a tough, waterproof seal on most surfaces once cured, making it ideal for automotive black RTV applications, household repairs, and a variety of DIY projects. The silicone will not shrink or crack, and it resists weathering, ensuring long-lasting performance even in harsh conditions. J-B Weld Black Silicone Sealant & Adhesive is easy to apply and cures when exposed to moisture in the air, creating a flexible and durable bond. Perfect for use as a black RTV adhesive to block leaks, this product is suitable for sealing windows, doors, vents, and automotive accessories. The 3 oz. tube provides enough material for multiple uses, and its solid, black finish blends well with most surfaces. Trust J-B Weld for reliable results when you need a strong, weather-resistant sealant for your next repair or maintenance project.