JB Weld Ultimate Black Silicone Gasket Maker and Sealant 14g

J-B Weld gasket makers and sealants are general-purpose sealants available in various colors and designed for use on RTV windshields, windows, and other mechanical assembly applications. This sealant will set in an hour. Once cured, the product forms a tough, waterproof, mildew, and mold-resistant seal on most surfaces. J-B Weld gasket makers and sealant will not shrink or crack, resists weathering, is sensor-safe, and is great for many household and other automotive applications.