If your roof was simply covered in dust it would be very easy to clean but due to the presence of the algae mold and so forth cleaning a roof becomes much more involved.
Mold or fungis on roof.
Unlike algae and moss which in their proper settings are healthy natural flora mold is a more clear cut.
This can seep into the wood of shakes and shingles and lead to roof rot.
If it is slimy or any sort of residue comes off on your hand repeat the above steps.
A second application of cleaner will not have its full effect on a damp surface.
It is easily spread and causes those colorful stains on so many roofs.
Not only is it unsightly it is extremely hazardous to the health of you and your family.
The more the moss spreads over your roof the more it will add to your moisture problem on your roof.
Known as black algae or roof mold gloeocapsa magma is usually blamed on dirt accumulation mold and mildew or defective shingles.
It needs heat moisture and nutrients to grow.
Mold is one of the most problematic fungi there is for a homeowner.
Easily recognizable because.
Allow the roof to dry thoroughly.
A dirty roof is actually full of more than just dirt.
You must let the roof dry before a second application of mix.
Inspect the roof for any remaining fungus.
Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad.
Mold damage on roofs 1.
Characterized by its black green hue algae growth can eat away at shingles and eventually lead to roof rot.