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

Simply dilute the concentrate at 10 to 1 with 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.