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.

Mold on roof jan 30 2018. There are four common types of roof fungus that cause the most problems whether it be damage to your home or your health. Even if it dries out it can come back to life when rain or moisture appears. Once on the roof lichen cannot easily be removed.

Algae will devour your shingles and is also attracted to moisture. Scrubbing or power washing the lichen will only do more damage. Black algae stains may be mistaken for but are not extractive bleeding a product cosmetic defect. Black algae stains may be mistaken for but are not extractive bleeding a product cosmetic defect.

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.