Should You Pressure Wash A 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.

Should you pressure wash a roof.

Therefore it strips away years of your roof s lifespan. 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. 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. Pressure washing in which highly pressurized water is sprayed on the roof to remove any mold algae dirt or grime.

This is the best way to clean a roof if you have asphalt shingles. This is similar to a garden sprayer but you need special equipment to safely reach the entire 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. 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. For starters we never recommend. With that being said here are the four times you should clean your roof. The best time to have your roof low pressure washed is when the weather is mild and sunny.

The two main methods for roof cleaning are. Of laundry strength liquid chlorine bleach and water. The damage caused by pressure washing is not immediately noticeable. 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. Pressure washing strips the granules from asphalt shingles. Chemical cleaning sometimes called soft washing in which chemicals are the main thing that are removing those harmful. Use a pressure washer which can loosen shingles and seriously damage your roof.