E-Z Patch 22 is an off-white flexible silicone rubber formula designed for ceramic tile grout, ceramic tile adhesion, and other sealant uses. E-Z Patch 22 forms excellent bonding with ceramic tile, acrylic, fiberglass, wood, cured masonry surfaces, fiber optics, ABS and glass. This is a low odor, UV stable, mildew resistant, and non-corrosive product with an off-white color that has a lower gloss to make it look more like regular white cement tile grout. Full cure time is approximately 24 hours, but water can be refilled after 1 hour with swimming allowed immediately after use. Rated as a 50 year sealant and coverage varies by tile and grout joint size. Color: Neutral. Coverage: 6 x 6 Inch Tiles with 1/8-Inch Grount Joints = 15 Sq. Ft., 3 x 3 Inch Tiles with 1/8-Inch Grout Joints = 7.5 Sq. Ft., 1 x 1 Inch Mosaic Tiles with 1/8-Inch Grout Joints = 3 Sq. Ft.