Miracle Sealants 511GAL4 511 Impregnator, Gallon Penetrating Sealers For use inside or out on a variety of surfaces including sanded grout, ceramic tile, porcelain tile, glazed tile, stucco, travertine, marble, slate, granite, terrazzo and more to protect against water, stains and slippage Formula is oil and water resistant that creates an invisible barrier for protection Covers up to 4,000 square feet per gallon Offers superior coverage, formulated to provide stain protection that is UV transparent and resists weather elements Easy application and will not yellow, safe to use around food prep areas