Not to mention using a pressure washer you will remove most of those very important granular s small stones that make up a shingle.
How do i clean my shingle roof.
Clean your roof on a cloudy calm day when the wind isn t blowing and there s no threat of precipitation.
Apply a storebought or diy cleaning solution to remove the moss.
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.
Then mix standard laundry bleach with water.
Spray the cleaner on a section of roof and let it sit for about 15 minutes.
Cleaning roofs is slippery work.
Clean your roof without taking proper safety precautions.
For extra cleaning power mix in a non ammonia heavy cleaner like tsp.
One part of proper roof maintenance is cleaning the shingles which you can do yourself in less than an hour.
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.
There are several products on the market specifically designed to remove algae stains from roofs such as wet forget outdoor.
But once the algicide wears off your roof hosts an all you can eat buffet for the neighborhood algae spores.
Clean your roof on a sunny day which will cause the bleach solution to evaporate too quickly limiting its cleansing effects.
That way you always stand on dry surface and reduce the chance of slipping.
The high powered water jets can damage shingles and remove the shingle granules that protect the roof.
Start at the lower portion of the roof moving up as you clean each lower section.
Additionally don t clean your asphalt tiles on days when the cleaning agent could freeze.
Needless to say that shingle will fly right off your roof.
Do it yourself and save big bucks.
With most good cleaners that s all you need to do.
Pick a cool overcast day so the cleaning solution doesn t dry too fast.
Every wonder what causes those ugly black streaks and stains on your roof.
Stay off the roof during very windy days.
Use the sprayer to saturate a strip 3 feet high x 10 feet wide.
So it pays to clean your shingles as soon as you spot algae growth.