Can You Pressure Wash A Metal Roof

1 attach a 35 degree spray wand to the pressure washer hose and fill the pressure washer.

Can you pressure wash a metal roof.

To clean a metal roof wait for a dry overcast day and make sure you have a partner to help you for safety reasons. The water pressure will remove the granules that are important for protecting your roof. Then get a 12 volt or gas powered detergent sprayer. When you pressure wash use the minimum force possible to pry the fungus free and wash it from the roof.

Therefore it s usually best to clean a metal roof from on top of the house itself. This makes it easy for you to coat your metal roof with detergent while you are on the ladder. Of laundry strength liquid chlorine bleach and water. Read on for our best roof cleaning tips.

You only need low pressure on metal roofs as it is enough to disturb and clean them. We recommend hot water because metal roofs can handle it and hot water is more effective. As you spray keep the distance of the pressure washer nozzle uniform across the roof. There is a chance that the pressurized water could damage your shingles.

Never pressure wash your roof if you have asphalt shingles. Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or. Consumer reports experts share pressure washer cleaning advice for your deck roof siding car and more. Use a pressure washer which can loosen shingles and seriously damage your roof.

When you re ready to get started spray your roof using a garden hose with a spray nozzle attachment starting at the top of the roof and blasting downward so the dirty water runs off the sides. This is the best way to clean a roof if you have asphalt. Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water. Once you squeeze the trigger the powerful recoil on the spray wand can throw you off balance and off of a ladder.

You can do roof cleaning yourself but don t take the decision to lightly. However keep the concentration of the detergent at its minimum. Keep in mind that metal roofs tend to be much more slippery than an asphalt roof and that many aluminum roofs will also dent easily if walked on. Pressure washing is very effective but may be best for metal or concrete roofs.

Before you can clean your metal roof you ll need to do a thorough inspection of the roof itself.