DAP ultra silicone sealant for kitchen and bathroom offers a particularly resistant design, perfectly adapted for such rooms. It won't crack or shrink, providing a durable, permanent 100% waterproof seal. DAP silicone ultra is water-resistant 30 minutes after the application. Once cured, it is safe for incidental food contact. Ideal for a wide variety of kitchen and bath applications such as sealing around sinks, tubs, showers, backsplashes, countertops and fixtures. Backed by a limited lifetime warranty.