What is Roof Mold?
Black Algae - Gloeocapsa magma
Black Algae is the common mold referred to as roof mold.
Black Streaks (Happen First)
The black streaks you see on a roof are mold or fungus. These bacteria grow due to photosynthesis and the limestone filler in shingles.
North and East
If you have roof mold, you'll notice it is most prevalent on the north and east sides of your roof.
This is because the bacteria enjoys the cool and moist environment on those sides of the roof.
Algae and Moss
Algae and moss can also grow on your roof. These growths can cause damage to your roof as they retain moisture.
Removing mold, algae, and or moss is not a simple process. It requires knowledge and the proper materials for successful removal without damaging your roof.
Mold and fungus can be spread through the air. This means if your roof has mold or fungus, then your neighbors roof could be a landing spot for these bacteria.