X research source if you live in an area with an especially humid climate you may need to give your shingles more frequent attention.
Fungus growing on asphalt roof shingle.
In severe cases moss build up can cause lateral water movement resulting in moisture damage to the roof deck or may even cause leaks.
Scrubbing or power washing the lichen will only do more damage.
These stains will discolor your roof and damage the shingles over a period of time if left alone.
The 3m companyhas developed an additive for asphalt roofing shingles using copper granules.
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.
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Inspect your roof closely at the end of summer and following stretches of warm rainy weather when high levels of moisture can accelerate mold growth.
On an asphalt or possibly some treated wood shingle roofs shingle chemistry is also involved in moss lichens and algae growth or resistance to it.
This unique advance in shingle technology gives long term fungus protection for the entire roof.
Unlike algae moss can be detrimental to asphalt shingle performance.
Here s why algae grows on roofs.
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Mold stains can form on roof shingles that are in permanent shade.
They call it the algaeblocksystem.
Moss growing on a roof may or may not be considered attractive or quaint but there is no doubt that extensive moss on a roof can seriously damage the roof by growing under and raising or loosening.
The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma.
Moss aides in shortening the life span of your roof because it retains moisture and in cold climates can freeze causing damage to the shingle and granules.
How to get rid of algae on the roof.
Extensive mold growth can also expose the interior of your attic or crawlspace to mold spores carrying the problem over to the inside.
The black streaks are also known as black algae or roof mold.
Another organism growing on your roof is moss which is a plant not a fungus or algae.
If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs.
Technically the black streaks on roofs are a form of algae known as gloeocapsa magma.
