When you hear the term roof cleaning, what do you think of? Bleach? High power pressure washing? Most people think of using those two methods to strip away mold or fungus. However, the days of using harsh chemicals that harm the environment are going away. Using organic materials and water, you can clean your roof and maintain it for years to come. Harsh chemicals that have been used to clean roofs can actually do more harm than good. The ingredients used to pull away the mo