Fungus Roof 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.

Fungus roof shingles.

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. Scrubbing or power washing the lichen will only do more damage. 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. This fungus is particularly damaging to the roof itself when not taken care of as soon as it s noticed. Black algae stains may be mistaken for but are not extractive bleeding a product cosmetic defect. Once on the roof lichen cannot easily be removed.

The first one we will talk about is algae.