General description Smartseal Xtreme Multi Surface Cleaner is a professional-grade cleaner designed for the quick removal of black lichen, mould, mildew, green algae, and general surface staining from various external hard surfaces. It is widely used by commercial cleaning companies for effective cleaning without the need for intensive pressure washing. Technical specifications Volume: 5 Litres Coverage: Up to 160m² per 20L container when diluted 1:1 Active ingredient: Chlorine Compatibility and accessories Suitable for use on: Concrete & Block Paved Driveways Natural Stone Patios (Sandstone, Limestone, Granite & Slate) Wooden Decking & Garden Furniture Composite Decking Roof Tiles Brickwork & Masonry Flagstones Installation To avoid damage to vegetation, saturate surrounding areas with water before and after applying the product. For best results, dilute at a ratio of 1:1 and apply using a sprayer or watering can in temperatures above 5°C and no higher than 22°C to avoid fast