Algae on Roofs: How to Remove It and Stop It Coming Back
Those black streaks on your roof are not dirt, pollution or water staining. They are living colonies of a cyanobacterium called Gloeocapsa magma — and they are actively eating your shingles. Cleaning algae from your roof before it establishes as a full colony is one of the highest-return maintenance tasks a homeowner can do. Left … Read more