Black Mold On Roofing Shingles

In reality what you are seeing is not black mold but a bacteria that is called gloeocapsa magma.

Black mold on roofing shingles.

Believe it or not those black streaks only appear on roofs in certain areas of the country. Technically the black streaks on roofs are a form of algae known as gloeocapsa magma. Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. You clean it and it returns year after year.

These stains will discolor your roof and damage the shingles over a period of time if left alone. Those that tend to be the most humid furthermore they will only appear on the north side of the roof. The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma. I covered our asphalt shingle roof about five years ago with white 50 year guaranteed shingles that had algae prevention treatment but now the entire north side of our roof is black with algae i bought the shingles from lowe s in marianna florida.

Black mold on asphalt shingles is ugly. Not only is it unattractive it can actually shorten the life of your shingles so you really should get rid of it. There are a number of commercial products available that will get rid of mold but if you don t mind working at heights getting mold off roof shingles is really something you can. Mold stains can form on roof shingles that are in permanent shade.

Granted some of it could be mold but what is spreading like wildfire is gleocapsa magma. Mold or mildew makes black ugly streaks on a roof.