A 100% Silicone and waterproof sealant with 10-year mold-free product protection. Ready for water exposure in as littleas 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.