GE Tub and Tile Silicone 1 Sealant is a 100% silicone, 100% waterproof sealant ideal for areas susceptible to moisture, such as sinks, tubs, showers, fixtures, countertops, backsplashes, and other plumbing projects. Tub and Tile Silicone 1 offers permanent flexibility and strong adhesion, and its designed to be resistant to shrinks and cracking. Plus, GE Tub and Tile Silicone 1 Sealant resists mold and mildew growth, its backed by a mold-free product protection for seven years-to prevent unsightly stains. Use our silicone bathroom sealant on a variety of common surfaces, including most metals, plastics, and woods; glass, drywall, plaster, granite, and more.