While the streaks do not cause a great deal of damage they can cause the shingle to age prematurely.
Meaning of black streaks on roof.
Definition of thermal tracking or ghosting stains in buildings.
The most common type is known as gloeocapsa magma also known as blue green algae.
As the blue green algae accumulate they develop a dark hardened outer coating which results in the black stains you see.
The black streaks running down roofs are actually a hardy algae called gloeocapsa magma.
Over time this algae accumulates developing a black outer coating which causes stains on roof shingles.
Black in color which results in a streaked dirty looking rooftop.
The algae feed on the limestone in shingles.
Although these dark spots and ugly black streaks on your roof may look like dirt mildew soot or mold what they really are is algae.
It s actually a form of algae that feeds on the limestone filler used in the creation of asphalt shingles.
Black algae is a simple growth that can develop on just about any outdoor surface where there is enough moisture even in the sunny areas.
What causes those long parallel dark stains on building interior ceilings.
Algae arrive on the rooftop through the air in the form of spores or clumps of cells.
This algae growth usually begins as small spots and then eventually becomes visible streaks.
In short those black streaks are called gloeocapsa magma.
Cause diagnosis cure and prevention.
But now this black algae is termed a roof shingle algae because of the annoying discoloration on a asphalt shingle roof.
This dark growth stubbornly attaches to surfaces and can be very difficult to clean.
The algae are usually brown to.
If you re seeing black streaks running along your roof chances are you ve mistaken them for dirt or even mold.
The streaks are caused by a type of algae known as gloeocapsa magma.
Black streaking on roofs is a common problem.
They re actually algae otherwise known as gloeoapsa magma and they are as nasty as they are resilient.
For soot dirt or tree droppings which typically produce only localized discoloration.
If left untreated these unsightly black streaks can cause the premature degradation of your shingles.
The black roof stains are caused by a form of algae that has been around for years typically found in the woods on the north side of trees or on exposed rocks.
Technically the black streaks on roofs are a form of algae known as gloeocapsa magma.
Photos text identify thermal tracking thermal bridging air bypass insulation defects and air movement in buildings how to recognize poorly insulated building walls or ceilings and how to.
If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs.
Algae growth causes a dark discoloration.
So early treatment can help add years to your roof.
Here s why algae grows on roofs.
The algae will worsen and become more noticeable each year trapping moisture and causing premature shingle aging and granule loss.