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.

Can you pressure wash a metal roof.

Before you can clean your metal roof you ll need to do a thorough inspection of the roof itself. Not to mention using a pressure washer from a high place is dangerous. 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. Once you squeeze the trigger the powerful recoil on the spray wand can throw you off balance and off of a ladder.

Pressure washing is very effective but may be best for metal or concrete roofs. When you pressure wash use the minimum force possible to pry the fungus free and wash it from the roof. However keep the concentration of the detergent at its minimum. This is the best way to clean a roof if you have asphalt.

The power of pressure washers can be too much of a good thing. Therefore it s usually best to clean a metal roof from on top of the house itself. The water pressure will remove the granules that are important for protecting your roof. You can also use a mild detergent solution in place of plain water if your roof is in particular need of a more intense wash.

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. Use a pressure washer which can loosen shingles and seriously damage your roof. You can do roof cleaning yourself but don t take the decision to lightly. This makes it easy for you to coat your metal roof with detergent while you are on the ladder.

Then get a 12 volt or gas powered detergent sprayer. We recommend hot water because metal roofs can handle it and hot water is more effective. Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or. There is a chance that the pressurized water could damage your shingles.

You only need low pressure on metal roofs as it is enough to disturb and clean them. Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water. 1 attach a 35 degree spray wand to the pressure washer hose and fill the pressure washer. Read on for our best roof cleaning tips.

Never pressure wash your roof if you have asphalt shingles.