GE Silicone 2*+ kitchen and bath 100% silicone is a 100% waterproof sealant with 10-year mold-free product protection, the company states. Ready for water exposure in as little as 30 minutes, it is ideal for sealing sinks, tubs, showers, backsplashes and plumbing projects. Formulated with excellent adhesion and a smooth application, it is permanently flexible, and will not discolor most metals or stones, the company adds. Guaranteed for as long as the homeowner owns the home.

GE Silicones.