Restore your home's charm and give any old and dull roof surface a new look with SmartSeal Xtreme Roof Cleaner. This high-quality, powerful formula offers a simple and effective method of cleaning without the need for intense pressure washing. It contains four potent active ingredients that easily remove black and white spots, algae, lichens, and moss from any tiled roof. A 5L container, diluted with an equal amount of water, can cover up to 40m2. Proven, tested, and trusted, this roof tile cleaner is easy to apply using a sprayer or watering can. Instructions: 1. Remove loose debris and heavy moss. 2. Wet the roof surface with water. 3. Dilute the product at a 1:1 ratio. 4. Apply generously using a watering can or pump sprayer. 5. Allow to dwell for approximately 60 minutes, keeping the surface damp. 6. Rinse thoroughly with water. Product Summary: SmartSeal Xtreme Roof Cleaner 5L, powerful algae remover, lichen cleaner, moss treatment, no pressure wash needed, roof tile cleaning solution, exterior home maintenance.