Spray the cleaner on a section of roof and let it sit for about 15 minutes.
How do i clean my roof shingles.
For extra cleaning power mix in a non ammonia heavy cleaner like tsp.
Additionally don t clean your asphalt tiles on days when the cleaning agent could freeze.
Therefore clean asphalt shingles on cloudy days.
Apply a storebought or diy cleaning solution to remove the moss.
Do it yourself and save big bucks.
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.
Use the sprayer to saturate a strip 3 feet high x 10 feet wide.
Stay off the roof during very windy days.
Then mix standard laundry bleach with water.
Clean your roof on a sunny day which will cause the bleach solution to evaporate too quickly limiting its cleansing effects.
But once the algicide wears off your roof hosts an all you can eat buffet for the neighborhood algae spores.
Roof cleaning is required maintenance for all composite shingle roofs.
One part of proper roof maintenance is cleaning the shingles which you can do yourself in less than an hour.
Using shingles that have been treated with algicide keeps the growth at bay for about 10 years thus the 10 year algae warranty.
Pick a cool overcast day so the cleaning solution doesn t dry too fast.
So it pays to clean your shingles as soon as you spot algae growth.
That way you always stand on dry surface and reduce the chance of slipping.
Clean your roof without taking proper safety precautions.
This video shows a basic overview of the roof cleaning algae stain removal restorat.
There are several products on the market specifically designed to remove algae stains from roofs such as wet forget outdoor.
In other words only clean your asphalt shingles on days when the temperature will remain above 32 degrees fahrenheit zero degrees celsius.
Cleaning roofs is slippery work.
Video on how to clean softwash an asphalt shingle roof including where to find.
The high powered water jets can damage shingles and remove the shingle granules that protect the roof.