General description Roof Clean Xtreme is a fast-acting professional-grade roof cleaner designed for concrete, slate, and terracotta roof tiles. This high-performance product is favored by many roof cleaning professionals for its ability to clean roofs effectively without the need for pressure washing. It quickly removes organic growth, including algae and ingrained dirt, from roof tiles while ensuring no damage occurs to the surfaces. Technical specifications Volume: 5 litres Covers approximately: 40 m² of roof tiles Application ratio: 1:1 dilution Usage Prior to application, remove any loose debris or heavy layers of moss with a scraper or brush. Dilute the product at a ratio of 1:1 and apply liberally using a watering can or pump sprayer. Leave the product on the surface for around 60 minutes before rinsing off with water. In cases of heavy contamination, allow the product to sit longer and scrub to agitate. A re-application may be necessary for stubborn stains. Other information