It s best to clean your roof on a cloudy day to prevent the cleaner from evaporating too quickly.
Mildew on roof shingles.
Not only is it unattractive it can actually shorten the life of your shingles so you really should get rid of it.
The most common culprit is actually a blue green algae known as gloeocapsa magma that is spread by airborne spores.
Mold or mildew makes black ugly streaks on a roof.
Sometimes it can also be caused by an accumulation of mildew mold dirt or defective shingles.
If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs.
Extensive mold growth can also expose the interior of your attic or crawlspace to mold spores carrying the problem over to the inside.
When that happens it is generally caused by mildew algae mold or dirt stains.
Mix 1 part bleach to 3 parts water and apply to the mildew covered area with a hand pump sprayer.
These stains will discolor your roof and damage the shingles over a period of time if left alone.
Living in a humid area of the country like florida you ve probably seen your asphalt shingle roofs with unsightly dark streaks on them.
The common denominator between algae mold moss and mildew is that all are the products of damp settings.
These black streaks are unsightly and can diminish the appearance of the entire exterior of the home.
Mold stains can form on roof shingles that are in permanent shade.
It is not uncommon for roof shingles to turn black over time.
Adding some cleaning.
Mildew growth is likeliest to occur in warm wet environments and often spreads on roofs with poor drainage.
There are a number of commercial products available that will get rid of mold but if you don t mind working at heights getting mold off roof shingles is really something you can do yourself.
Remove black stains from roof shingles to preserve the appearance of your home s roof.
A blue green algae known as gloeocapsa magma could be the reason you have the algae which is spread by airborne spores.