Should You Pressure Wash A Roof

The two main methods for roof cleaning are.

Should you pressure wash a roof.

Professionals should pressure wash an asphalt roof. 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. 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. The response isn t wrong.

Pressure washing strips the granules from asphalt shingles. Of laundry strength liquid chlorine bleach and water. Asphalt roofs pressure washing on an asphalt composite shingle roof requires no more than about 30 psi. 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. Use a pressure washer which can loosen shingles and seriously damage your roof. 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. 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.

With that being said here are the four times you should clean your roof. Pressure washing in which highly pressurized water is sprayed on the roof to remove any mold algae dirt or grime. For starters we never recommend. 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.

Roofing experts warn that roof tiles should not be subjected to high pressure washing or jet washing for many reasons which include. Chemical cleaning sometimes called soft washing in which chemicals are the main thing that are removing those harmful. Therefore it strips away years of your roof s lifespan. The best time to have your roof low pressure washed is when the weather is mild and sunny.