Roof wash; the removal of organic growth and trash. you might think your roof was black when you bought it but that’s black algae and black mold! That’s not normal or healthy for you and your roof. There is an easy non aggressive way to clean it. A soft washing process where we use a pressure washer but with a low pressure tip to wash and clean your roof.
This video explains another reason why a good professional roof wash is needed every few years.