Fungus Roof Shingles

Once on the roof lichen cannot easily be removed.

Fungus roof shingles. Scrubbing or power washing the lichen will only do more damage. Lichen is a photosynthetic fungus that has roots that wrap around the granules feeding on the nutrients of the gm and the filler in the shingles. 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. This fungus is particularly damaging to the roof itself when not taken care of as soon as it s noticed.

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. Even if it dries out it can come back to life when rain or moisture appears. Black algae stains may be mistaken for but are not extractive bleeding a product cosmetic defect. Mold on roof jan 30 2018.

Algae will devour your shingles and is also attracted to moisture.