Before you begin it s important to repair loose shingles and flashings to minimize roof damage.
How to clean your roof shingles.
This video shows a basic overview of the roof cleaning algae stain removal restorat.
Cleaning roof shingles can restore your home s curb appeal.
Therefore clean asphalt shingles on cloudy days.
Using shingles that have been treated with algicide keeps the growth at bay for about 10 years thus the 10 year algae warranty.
Roof cleaning is required maintenance for all composite shingle roofs.
It also gets rid of mildew.
Then spray your cleaner onto your shingles in a smooth even coat.
Clean your roof on a sunny day which will cause the bleach solution to evaporate too quickly limiting its cleansing effects.
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.
But once the algicide wears off your roof hosts an all you can eat buffet for the neighborhood algae spores.
There are several products on the market specifically designed to remove algae stains from roofs such as wet forget outdoor.
You ll need the cleaning solution to drain off the roof during rinsing.
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.
In other words only clean your asphalt shingles on days when the temperature will remain above 32 degrees fahrenheit zero degrees celsius.
Additionally don t clean your asphalt tiles on days when the cleaning agent could freeze.
Wait about 20 minutes then rinse off the shingles with your garden hose use the most powerful spray setting available.
Do it yourself and save big bucks.
So it pays to clean your shingles as soon as you spot algae growth.
Once you ve finished cleaning your roof spray on your stain blocking roof protectant to help prevent algae growth or regrowth in the future.
Perform maintenance on your roof.
Keeping your shingles clean doesn t just make your neighbors happy.
Stay off the roof during very windy days.