Should You Pressure Wash A Roof

Asphalt roofs pressure washing on an asphalt composite shingle roof requires no more than about 30 psi.

Should you pressure wash a roof.

Of laundry strength liquid chlorine bleach and water. The two main methods for roof cleaning are. You might be among the vast collective of homeowners with a power washer stowed away in your garage so you wonder can you care for your roof safely by pressure washing its shingles. Yes it will make it look sparkling clean but also you ll end up replacing the roof system sooner rather than later.

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. With that being said here are the four times you should clean 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. Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.

Therefore it strips away years of your roof s lifespan. For starters we never recommend. Pressure washing in which highly pressurized water is sprayed on the roof to remove any mold algae dirt or grime. Use a pressure washer which can loosen shingles and seriously damage your roof.

Chemical cleaning sometimes called soft washing in which chemicals are the main thing that are removing those harmful. Roofing experts warn that roof tiles should not be subjected to high pressure washing or jet washing for many reasons which include. The best time to have your roof low pressure washed is when the weather is mild and sunny. This is similar to a garden sprayer but you need special equipment to safely reach the entire roof.

The damage caused by pressure washing is not immediately noticeable. 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. Professionals should pressure wash an asphalt roof.