100% RTV silicone rubber sealant creates a flexible, durable weather resistant seal between similar and dissimilar materials; provides excellent adhesion to tile, glass, porcelain, ceramic, fiberglass, non-oily woods, plaster, painted surfaces, metal, many plastics, rubber and other common building materials. It will withstand temperature extremes from -60deg.F to +450deg.F and is waterproof for indoor/outdoor use. Dries to the touch in 1 hour, cures and bonds in 24 hours. Don’t top coat paint will not adhere to silicone.