Cleaning mold algae and dirt if mold and algae are left to build up they may interfere with the natural drainage of the roof system which can lead to leaks or broken tiles.
Black mold on roof tiles.
Black mold on asphalt shingles is ugly.
If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs.
Technically the black streaks on roofs are a form of algae known as gloeocapsa magma.
Black mold refers to several species of mold which is a type of fungus that have a dark green or black appearance.
Here s why algae grows on roofs.
The black streaks are also known as black algae or roof mold.
Granted some of it could be mold but what is spreading like wildfire is gleocapsa magma.
Spray the entire roof thoroughly.
This will prevent the solution from draining in your direction.
Continue spraying until you see runoff then let the chemicals sit for 15 20 minutes to soak in and begin attacking the mold.
Before you clean your.
Start on lowest row of shingles and work your way backwards to the upper part of the roof.
You clean it and it returns year after year.