Should You Power Wash Your Roof

Avoid pressure washing your roof some companies offer to pressure wash your roof promising to make it look new.

Should you power wash your roof.

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. For starters we never recommend. The damage caused by pressure washing is not immediately noticeable. The best time to have your roof low pressure washed is when the weather is mild and sunny.

As a manufacturer of concrete roof tiles we would not advocate power washing or recoating tiles as this would invalidate any guarantee. This is the best way to clean a roof if you have asphalt shingles. A careful power washing cleans most gutters and the downspout. 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.

Advice from nfrc national federation of roofing contractors. Pressure washing strips the granules from asphalt shingles. Use a sprayer attached to garden hose that s filled with equal parts 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.

There is a chance that the pressurized water could damage your shingles. A thorough roof pressure washing should be done by a professional company. 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.

Of laundry strength liquid chlorine bleach and water. Power washing the tiles will remove fines in the concrete which will affect the lifespan of the tiles. With that being said here are the four times you should clean your roof. Even on the exterior of your home or in your yard fixtures housing electricity should not be pressure washed.

Rain gutters are part of the roof system and need to be washed when they are full of dirt leaves and other debris. Pressure washing is very effective but may be best for metal or concrete roofs. 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. But pressure washing your asphalt roof will do more harm than good.