DAP Commercial Kitchen 100% Silicone Sealant is a silicone rubber sealant that is approved for food zone areas and is ideal for sealing in commercial kitchens. Provides a durable, waterproof seal with minimal shrinkage, long-lasting flexibility, and excellent adhesion. Certified by NSF to NSF/ANSI Standard 51, it is safe for incidental food contact. When cured and washed, the product meets FDA Reg 21, CFR 177.2600. Once cured, it is unaffected by temperature extremes from -40 degrees Fahrenheit to 400 degrees Fahrenheit. Product is for interior use only and is not paintable. DAP caulk and sealants provide durable performance for a variety of projects.