How to Remove Black Streaks from Your Roof
Professional roof cleaning is the most effective way to remove unsightly black streaks on your roof. These black stains result from Gloeocapsa magma growth, a type of algae that thrives in shade and dampness. As such, their spores can easily settle on moist, shaded asphalt shingles, but you can also find them around gutters and downspouts. These algae …