Black Algae On Roof

Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad.

Black algae on roof.

Black streaks green or white spots round lichens mosses green moss that spreads across your roof. Although mold can grow in your roofing materials if water gets trapped somewhere if you see any of the following on top of your roof algae are more likely your problem. The black spots discoloring your asphalt roof are more than likely the pervasive and prevalent algae known as gloecapsa magma. Fiddler roof cleaning has an excellent post on the dangers of roof mold and algae.

The black streaks running down roofs are actually a hardy algae called gloeocapsa magma. We ve all seen a house with an exceptionally dirty roof at one point or another. It s probably not soot. These black roof algal stains are sometimes misnamed or misidentified as a black fungus or even a mildew.

This is what makes those unattractive black streaks on your roof. This is because of its dark pigment and tough outer capsule. Why does this algae appear to be black. If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs.

If you have dark streaks on your roof siding and other outside areas around your home they likely caused by a type of black algae called gloeocapsa magma. Some black stains on asphalt roof shingles are caused by a black algae typically gloeocapsa magma. The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma. The dangers of black algae streaks on roof to your home.

Here s why algae grows on roofs. As the blue green algae accumulate they develop a dark hardened outer coating which results in the black stains you see. These roof invaders require a. Technically the black streaks on roofs are a form of algae known as gloeocapsa magma.

Gloeocapsa has the ability to form a protective darkly pigmented outer coating that shields the algae from damaging uv rays. In doing so you prevent the dangers black algae streaks on roof pose to your health. Gloeocapsa magma is a type of cyanobacterium that can survive cold temperatures wind and harsh sun. The algae feed on the limestone in shingles.