Should You Power Wash Your Roof

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

Should you power wash your roof.

Unfortunately pressure washing may cause a lot of damage particularly to roofs like asphalt or tile where components can easily be pushed out of place by the strong spray. Avoid pressure washing your roof some companies offer to pressure wash your roof promising to make it look new. This is the best way to clean a roof if you have asphalt shingles. Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or parts of your home.

Avoid making these top 10 electrical mistakes by diyers. Power washing the tiles will remove fines in the concrete which will affect the lifespan of the tiles. A thorough roof pressure washing should be done by a professional company. Use a pressure washer which can loosen shingles and seriously damage your roof.

But pressure washing your asphalt roof will do more harm than good. For starters we never recommend. The damage caused by pressure washing is not immediately noticeable. Tempting as it might be to blast away unsightly moss and algae using a pressure washer to clean your roof is dangerous not to mention potentially damaging.

Though they can withstand a rainstorm pressure washing can force water into cracks and crevices and cause damage resulting in a need for costly repairs. The best time to have your roof low pressure washed is when the weather is mild and sunny. You don t want high winds blowing leaves and debris right back on to your roof and undoing all of the work you ve just had done. There is a chance that the pressurized water could damage your shingles.

Yes it will make it look sparkling clean but also you ll end up replacing the roof system sooner rather than later. Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water. Advice from nfrc national federation of roofing contractors. As a manufacturer of concrete roof tiles we would not advocate power washing or recoating tiles as this would invalidate any guarantee.

Even on the exterior of your home or in your yard fixtures housing electricity should not be pressure washed. With that being said here are the four times you should clean your roof. This prevents the growth of mold under the roof eaves and on the walls of the building. A careful power washing cleans most gutters and the downspout.