These stains will discolor your roof and damage the shingles over a period of time if left alone.
How to remove green mold from roof shingles.
A blue green algae known as gloeocapsa magma could be the reason you have the algae which is spread by airborne spores sometimes it can also be caused by an accumulation of mildew mold dirt or defective shingles.
Working on or near a roof is dangerous particularity when it s wet and slippery.
How to clean mold off a roof.
At best slimy black mold.
Though often attributed to an accumulation of dirt defective shingles mold or mildew.
The high powered water jets can damage shingles and remove the shingle granules that protect the roof.
Just because you can t see it however doesn t make it any less dangerous.
Extensive mold growth can also expose the interior of your attic or crawlspace to mold spores carrying the problem over to the inside not to worry though because you can clean the mold off with basic household bleach and save.
The most common culprit is actually a blue green algae known as gloeocapsa magma that is spread by airborne spores.
Apply a storebought or diy cleaning solution to remove the moss.
Algae is a single celled organism while moss is not.
If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs.
It s easy to let a mold problem sneak up on you on in out of the way places like the roof of your home.
Moss those green feathery clumps you may see forming on the roof is a different type of plant and isn t the same thing as algae or mold.
Don t use a pressure washer to clean or rinse your roof.
Green stains on siding are usually the result of mold mildew algae or moss.
If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs.
When house siding begins to turn green it diminishes the exterior appearance of the home.
These stains occur naturally over time.
Mold won t form on a roof because it s allergic to sunlight and as soon as the ambient temperature surrounding the mold becomes dry the mold dies.
The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma.
Mold stains can form on roof shingles that are in permanent shade.
It will remove surface granules from asphalt shingles shortening their useful life and may even void your shingle warranty.
Though often attributed to an accumulation of dirt defective shingles mold or mildew.
Fortunately siding can be cleaned to remove not only green stains but other dirt and stains that may be taking over the homes exterior.