Should You Pressure Wash A Roof

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.

Should you pressure wash a roof.

With that being said here are the four times you should clean your roof. Asphalt roofs pressure washing on an asphalt composite shingle roof requires no more than about 30 psi. Therefore it strips away years of your roof s lifespan. Of laundry strength liquid chlorine bleach and water.

Roofing experts warn that roof tiles should not be subjected to high pressure washing or jet washing for many reasons which include. This is the best way to clean a roof if you have asphalt shingles. Professionals should pressure wash an asphalt roof. This is similar to a garden sprayer but you need special equipment to safely reach the entire roof.

The best time to have your roof low pressure washed is when the weather is mild and sunny. Removal of lichen and moss by jet washing will invariably remove the granular surface finish and potentially damage the structural integrity of the tile this process followed by a surface treatment application would. Pressure washing strips the granules from asphalt shingles. Yes it will make it look sparkling clean but also you ll end up replacing the roof system sooner rather than later.

The response isn t wrong. Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water. Pressure washing in which highly pressurized water is sprayed on the roof to remove any mold algae dirt or grime. Chemical cleaning sometimes called soft washing in which chemicals are the main thing that are removing those harmful.

The damage caused by pressure washing is not immediately noticeable. 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. The two main methods for roof cleaning are. 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.