Custom Building Products TILELab Surfacegard 24 Oz. Grout & Tile SealerSurfaceGard sealer provides unsurpassed invisible protection for marble, stone, porcelain, quarry, and Saltillo tile, grout, concrete, and masonry. This long lasting, water based sealer actually repels dirt, oil, and stains allowing easy clean up. Use when maximum protection is required such as in food preparation areas, floors, and other high traffic areas. Can also be used in place of a grout release prior to grouting to prevent grout staining and