We provide the proprietary Roof Shampoo® product, which only we can use. We also use a proprietary, eco-friendly rinsing technique which removes all the algae, lichens and moss from your roof, the side of your home, decks, patios, driveways, and fences. Our exterior cleaning method does not damage your roof, shingles, siding, driveway, fence or landscaping. There is no waiting to see if it works! When we leave and you will, be able to look at your home and not see any staining! You will not have any damage to your flowers, shrubs, or grass. We provide immediate results and do the job right! Roof Shampoo® professionals clean every inch of your home to your satisfaction!