GOOD NEWS! Ugly roof stains can be removed! These stains are caused by algae growth called Gloeocapsa Magma. This particular algae strain has become hardier and has migrated to less humid environments. Black algae usually grows on the North side roof as well as in shaded areas. We are a ROOF SHAMPOO ® Contractor. Cleaning with this system will produce the results illustrated in the after pictures. Extend the life of your roof--remove the ugly stains

We Are The Central PA Authorized
Roof Shampoo® Dealer