Miracle Sealants 511, PT, Seal & Enhancer, Unique Solvent Base Formula, Eliminates The Need To Use An Impregnator Before Using A Color Enhancer For Maximum Stain Protection & Superior Color Enhancement, For Use On Granite, Marble, Limestone, Natural Stone, Slate, Ceramic Tile, Quarry Tile & Grout Surfaces, Revitalizes Old & Worn Stone & Tile Installations, Can Be Used Successfully In Both Interior & Exterior Environments & Is Freeze Thaw Resistant.