There is a chance that the pressurized water could damage your shingles.
Should you power wash a roof.
Power washing the tiles will remove fines in the concrete which will affect the lifespan of the tiles.
The short answer is no when you search this very same question you ll see the internet shout back with words like never and don t.
Use a pressure washer which can loosen shingles and seriously damage your roof.
By billie jo jannen it s generally not necessary to pressure wash a shingle roof for the purpose of removing ordinary dirt and leaves and pressure washing can potentially damage the shingles.
The response isn t wrong.
Instead spray down the roof with.
Pressure washing is very effective but may be best for metal or concrete roofs.
This is the best way to clean a roof if you have asphalt shingles.
You might be among the vast collective of homeowners with a power washer stowed away in your garage so you wonder can you care for your roof safely by pressure washing its shingles.
As a manufacturer of concrete roof tiles we would not advocate power washing or recoating tiles as this would invalidate any guarantee.
Not to mention using a pressure washer from a high place is dangerous.
Yes it will make it look sparkling clean but also you ll end up replacing the roof system sooner rather than later.
Never pressure wash your roof if you have asphalt shingles.
The water pressure will remove the granules that are important for protecting your roof.
Once you squeeze the trigger the powerful recoil on the spray wand can throw you off balance and off of a ladder.
Of laundry strength liquid chlorine bleach and water.
Advice from nfrc national federation of roofing contractors.
The damage caused by pressure washing is not immediately noticeable.
If you must have a beautiful roof for some special guests or your own personal happiness you certainly can gently wash your asphalt roof while being aware that you are potentially shortening its life.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or parts of your home.
The powerful stream of water can also loosen roof shingles and with asphalt shingles strip them of the embedded granules that help extend the life of your roof.