There are several products on the market specifically designed to remove algae stains from roofs such as wet forget outdoor.
How to wash roof shingles.
Proper cleaning is an important step in roof maintenance.
Using shingles that have been treated with algicide keeps the growth at bay for about 10 years thus the 10 year algae warranty.
Some of this growth including the stains from algae spores.
Note that our roof cleaning tips only apply for asphalt shingles.
It also gets rid of mildew.
This video shows a basic overview of the roof cleaning algae stain removal restorat.
One day you may notice that your roof is turning black or fungus is spreading across of it.
After clambering out onto your roof spray the asphalt shingles you wish to clean.
Keep gutters clean to ensure roofs remain as dry as possible.
But once the algicide wears off your roof hosts an all you can eat buffet for the neighborhood algae spores.
If you have another type of roof it s important to check with your manufacturer to find out how to clean your roof.
Generally you ll need to point the nozzle of the spraying device toward the shingle you wish to clean then depress the handle.
Now that you know the best ways to clean a roof be sure to follow these guidelines carefully.
While an occasional cleaning might not harm your roof repeated use of harsh chemicals or the erosive effects of pressure washing can damage or shorten the life of asphalt shingles.
So it pays to clean your shingles as soon as you spot algae growth.
Apply the cleaning agent to the roof.
After applying the cleaning agent allow it to work its magic for about 20 minutes.
Roof cleaning is required maintenance for all composite shingle roofs.
Do it yourself and save big bucks.
If you know how to clean the roof shingles you can get rid of those streaks or discolorations that can cause a perfectly good roof to look worn and tattered.