Thinking about a roof cleaning in Friendship, Md?
It’s more than just curb appeal. It’s the life of your roof as well. These organisms, gloeocapsa magma, GCM, is what the black staining is. Then there is moss and lichens. These organisms are shortenig the life of your roof. They are a pest eating your roof. Cleaning your roof with a proven non pressure method will add years to your roof at a fraction of the price of replacing it!