Should You Power Wash A Roof

This is the best way to clean a roof if you have asphalt shingles.

Should you power wash a roof.

Of laundry strength liquid chlorine bleach and water. Yes it will make it look sparkling clean but also you ll end up replacing the roof system sooner rather than later. Not to mention using a pressure washer from a high place is dangerous. 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. 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. Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water. Pressure washing strips the granules from asphalt shingles.

The course you take is up to you and what you re comfortable with. 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. Instead spray down the roof with. As a manufacturer of concrete roof tiles we would not advocate power washing or recoating tiles as this would invalidate any guarantee.

Advice from nfrc national federation of roofing contractors. The water pressure will remove the granules that are important for protecting your roof. The response isn t wrong. But pressure washing your asphalt roof will do more harm than good.

The damage caused by pressure washing is not immediately noticeable. 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. 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.

Pressure washing is very effective but may be best for metal or concrete roofs. 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.