When algae and fungus get together they form something new lichen.
Fungal growth on roof shingles.
Algae and occasionally fungal growth discolors roof shingles.
Resist does not mean moss proof or lichens proof however for shingles subject to difficult conditions such as extensive shade under trees and lots of organic debris left on the roof surface.
Lichen is a photosynthetic fungus that has roots that wrap around the granules feeding on the nutrients of the gm and the filler in the shingles.
Chemicals brushes washing power washing roofs.
Advice about roof cleaning methods.
Just as easily mold and mildew follow.
How to identify prevent black algae growth and stains on roof surfaces.
The standing water and humidity the rapidly growing spores and wood rot these are quick and fertile breeding places for mold.
Once on the roof lichen cannot easily be removed.
It is sprayed on and allowed to dry without rinsing.
We discuss algae and occasionally fungal growth that discolors roof shingles.
This article explains methods for cleaning off and preventing future roof stains due to algae or black fungal growth or green algae on roof shingles the effects of these conditions and how to cure or prevent them.
Once it s off you also.
How to remove mold from roof it s not difficult to remove mold from the shed roof.
Though it is slow acting when compared to bleach solutions it can prevent mildew growth for years.
New asphalt roof shingles are available with an inclusion of chemicals that resist moss lichens algae and even fungal growth.
Mold and mildew growth.
As you can see the alga gets on your roof easily enough the wind just has to blow in the right direction and there it is.