Grout Release is a unique product formulated for sealing surfaces prior to grouting. Using Grout Release prior to the grouting process will make cleanup of grout haze easier after application and will protect your surface from grout haze or stains. Grout Releases clear formula provides resistance against cement epoxy urethane and new age grouts from ?sticking? to the surface and potentially staining the surface. Grout release can be used with Quarry Tile Marble Grout Ceramic Tile Granite Quartz Porcelain Tile Travertine Brick Glazed Tile Slate Terrazzo.