Custom Building Products TLPSQT-3 TileLab Grout and Tile Sealer Economical invisible protection for tile, grout and masonry Resists most common household stains and outperforms most silicone sealers particularly against oil and grease stains Will not leave a hard-to-remove residue on the surface, so it eliminates the need to seal each grout joint by hand Safe, low-odor Water-based