Fungus Roof Shingles
This fungus is particularly damaging to the roof itself when not taken care of as soon as it s noticed.
Fungus roof shingles. Black algae stains may be mistaken for but are not extractive bleeding a product cosmetic defect. The first one we will talk about is algae. Scrubbing or power washing the lichen will only do more damage. Even if it dries out it can come back to life when rain or moisture appears.
Mold on roof jan 30 2018. Once on the roof lichen cannot easily be removed. Algae will devour your shingles and is also attracted to moisture. Some black stains on asphalt roof shingles are caused by a black algae sometimes misnamed as a black fungus or even a mildew such as that shown in the photograph here.
Black algae stains may be mistaken for but are not extractive bleeding a product cosmetic defect.