The streaks look like mold but they re actually algae colonies that form in your shingles and feed on moisture and the limestone filler agents in the shingles.
Best way to remove black mold from roof shingles.
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.
When that happens it is generally caused by mildew algae mold or dirt stains.
Black mold stains streaks and clumps of moss growing on the roof look unsightly.
Here s why algae grows on roofs.
Black streaks on the north and west facing and shaded areas of your asphalt shingled roof can really wreck the appearance of your home.
Technically the black streaks on roofs are a form of algae known as gloeocapsa magma.
It is not uncommon for roof shingles to turn black over time.
These black streaks are unsightly and can diminish the appearance of the entire exterior of the home.
With self cleaning coatings applied to the asphalt shingle you will never see black mold again.
If it s dirt the dark stain will remain but if it s mildew the stain will go away.
Easily remove roof mold with wet forget.
You might think that taking a power washer to the roof is the quickest and most effective way to remove algae and moss from the shingles.
Just because you can t see it however doesn t make it any less dangerous.
The combination of the wind and the rain breakdown the growth and rinse your surfaces clean over time.
The most common culprit is actually a blue green algae known as gloeocapsa magma that is spread by airborne spores.
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.
Mold stains can form on roof shingles that are in permanent shade.
Though often attributed to an accumulation of dirt defective shingles mold or mildew.
A few years ago commercial roof cleaning products containing hydrogen peroxide lye were commonly recommended to remove mildew.
These stains will discolor your roof and damage the shingles over a period of time if left alone.
Remove black stains from roof shingles to preserve the appearance of your home s roof.
If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs.
One thing for sure you do not want to walk on your barrel tile as you could easily damage it.
But power washers are too strong for the shingle granules and will wear them down.
Asphalt shingles are designed to.
Wet and forget is as simple as spraying your outdoor surface and forgetting it.
The black streaks are also known as black algae or roof mold.
Green algae black mold and moss begin to die off on contact.
At best slimy black mold deposits are an eyesore.
If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs.