Not to mention using a pressure washer from a high place is dangerous.
Should you power wash a roof.
The damage caused by pressure washing is not immediately noticeable.
This is the best way to clean a roof if you have asphalt shingles.
The response isn t wrong.
The water pressure will remove the granules that are important for protecting your roof.
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 pressure washer which can loosen shingles and seriously damage your roof.
As a manufacturer of concrete roof tiles we would not advocate power washing or recoating tiles as this would invalidate any guarantee.
The course you take is up to you and what you re comfortable with.
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.
Instead spray down the roof with.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
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.
Of laundry strength liquid chlorine bleach and water.
But pressure washing your asphalt roof will do more harm than good.
Power washing the tiles will remove fines in the concrete which will affect the lifespan of the tiles.
Never pressure wash your roof if you have asphalt shingles.
Yes it will make it look sparkling clean but also you ll end up replacing the roof system sooner rather than later.
Advice from nfrc national federation of roofing contractors.
Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or parts of your home.
There is a chance that the pressurized water could damage your shingles.
Once you squeeze the trigger the powerful recoil on the spray wand can throw you off balance and off of a ladder.
Pressure washing is very effective but may be best for metal or concrete roofs.