Black Algae On Roof

Here s why algae grows on roofs.

Black algae on roof.

Technically the black streaks on roofs are a form of algae known as gloeocapsa magma. 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. This is what makes those unattractive black streaks on your roof. It s probably not soot.

As the blue green algae accumulate they develop a dark hardened outer coating which results in the black stains you see. The black streaks are also known as black algae or roof mold. The black streaks running down roofs are actually a hardy algae called gloeocapsa magma. Why does this algae appear to be black.

Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad. Although algae can be found on all types of roofing it tends to be most common on asphalt shingles. The algae feed on the limestone in shingles. If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs.

Gloeocapsa has the ability to form a protective darkly pigmented outer coating that shields the algae from damaging uv rays. The black spots discoloring your asphalt roof are more than likely the pervasive and prevalent algae known as gloecapsa magma. We ve all seen a house with an exceptionally dirty roof at one point or another. These black roof algal stains are sometimes misnamed or misidentified as a black fungus or even a mildew.

The dangers of black algae streaks on roof to your home. This is because of its dark pigment and tough outer capsule. Find out how to remove unsightly black stains from asphalt shingle roofs caused by an algae known as gloeocapsa magma that is spread by airborne spores. These roof invaders require a.

Black streaks green or white spots round lichens mosses green moss that spreads across your roof. Some black stains on asphalt roof shingles are caused by a black algae typically gloeocapsa magma. Gloeocapsa magma is a type of cyanobacterium that can survive cold temperatures wind and harsh sun. The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma.