Not only is it unattractive it can actually shorten the life of your shingles so you really should get rid of it.
Removing mold on roofs.
Do it yourself and save big bucks.
Commonly found in climates with warm humid summers it does no damage to the roofing but it certainly does looks bad.
Green algae black mold and moss begin to die off on contact.
Mold stains can form on roof shingles that are in permanent shade.
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.
How to clean mold off a roof.
Green stains clean up in 1 2 weeks black stains and moss.
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.
Next mix 1 quart of bleach 1 gallon of water and cup of trisodium.
These stains will discolor your roof and damage the shingles over a period of time if left alone.
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.
The black mold like stains and streaks that appear on roofs particularly light colored asphalt shingles is actually a blue green algae gloeocapsa magma.
Using shingles that have been treated with algicide keeps the growth at bay for about 10 years thus the 10 year algae warranty.
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.
Wet and forget is as simple as spraying your outdoor surface and forgetting it.
Easily remove roof mold with wet forget.
But once the algicide wears off your roof hosts an all you can eat buffet for the neighborhood algae spores.
Removing moss mildew fungus and associated stains on roofs roof cleaning is a topic that draws yawns in new england but causes shudders and screams of agony from florida and points south where vegetable life seeks world domination.
Then use a long handled brush to scour the surface of the shingles and loosen stuck on mold while it s dry and brittle.