Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad.
Removing mold on roofs.
Using shingles that have been treated with algicide keeps the growth at bay for about 10 years thus the 10 year algae warranty.
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.
But once the algicide wears off your roof hosts an all you can eat buffet for the neighborhood algae spores.
Wet and forget is as simple as spraying your outdoor surface and forgetting it.
Green algae black mold and moss begin to die off on contact.
Easily remove roof mold with wet forget.
The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma.
How to clean mold off a roof.
Mold or mildew makes black ugly streaks on a roof.
A mixture of trisodium phosphate tsp bleach and water will also remove stains.
Oxygen bleach lightens stains as well and is less harmful to the environment but it doesn t produce as immediate or dramatic an effect as chlorine bleach.
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.
So it pays to clean your shingles as soon as you spot algae growth.
The combination of the wind and the rain breakdown the growth and rinse your surfaces clean over time.
Do it yourself and save big bucks.
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.
Not only is it unattractive it can actually shorten the life of your shingles so you really should get rid of it.
These stains will discolor your roof and damage the shingles over a period of time if left alone.
Then use a long handled brush to scour the surface of the shingles and loosen stuck on mold while it s dry and brittle.
Green stains clean up in 1 2 weeks black stains and moss.