An eco-friendly pH-neutral natural stone cleaner using innovative nano-tech in professional-grade super-concentrated detergent. BuildKleen & StoneKleen concentrate offer an exterior cleaner for masonry, stone, concrete, cladding, signs, bus shelters, fascia, gutters, patios, and driveways.

Simply dilute the concentrate at 1 to 10 ratio with tap water to make a cleaner that is ideal for removing ingrained grime, dirt, traffic film, algae and oil stains from render and pebble dash, concrete slabs, natural stone, statues, or monuments.