GLEAN Porcelain Tile Pre-Grout Protector, is the essential solution to protection to stains typically left when grouting tiles. Specifically formulated to safeguard against stains from grout, cement, and grouting compounds it also protects against stains left by organic matter, such as rotting leaves. This water-based pre-grout protector is environmentally safer and designed for both interior and exterior use. Easy to apply, the non-film forming finish, provides invisible protection that ensures your porcelain tiles stay pristine. Suitable for use with most types of porcelain tiles and slabs, the breathable coating helps with cleaning and aftercare. Part of the GLEAN Patio Range.