The most common culprit is actually a blue green algae known as gloeocapsa magma that is spread by airborne spores.
Removing green mold from roof shingles.
These stains will discolor your roof and damage the shingles over a period of time if left alone.
How to clean mold off a roof.
Remove moss from the roof a layer of green moss might look cozy and rustic atop your house but it can be bad news for your roof.
Mold or mildew makes black ugly streaks on a roof.
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.
To clean mold off a roof start by putting on rubber gloves a breathing mask and goggles to protect yourself from the harsh cleaning chemicals.
A blue green algae known as gloeocapsa magma could be the reason you have the algae which is spread by airborne spores.
If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs.
Then use a long handled brush to scour the surface of the shingles and loosen stuck on mold while it s dry and brittle.
Follow these three straightforward steps to clean off all.
Not only is it unattractive it can actually shorten the life of your shingles so you really should get rid of it.