GE Silicone 2+ Kitchen & Bath 100% Silicone is a 100% waterproof sealant with 10-year mold-free product protection. Ready for water exposure in as little as 30 minutes, it is ideal for sealing sinks, tubs, showers, fixtures, countertops, backsplashes and plumbing projects. Formulated with excellent adhesion and a smooth application, it is permanently flexible, low in odor and will not discolor most metals and stones. Guaranteed for as long as you own your home.