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.
Can you pressure wash a metal roof.
Therefore it s usually best to clean a metal roof from on top of the house itself.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
The water pressure will remove the granules that are important for protecting your roof.
You only need low pressure on metal roofs as it is enough to disturb and clean them.
Once you squeeze the trigger the powerful recoil on the spray wand can throw you off balance and off of a ladder.
When you pressure wash use the minimum force possible to pry the fungus free and wash it from the roof.
Of laundry strength liquid chlorine bleach and water.
1 attach a 35 degree spray wand to the pressure washer hose and fill the pressure washer.
You can do roof cleaning yourself but don t take the decision to lightly.
Never pressure wash your roof if you have asphalt shingles.
Consumer reports experts share pressure washer cleaning advice for your deck roof siding car and more.
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.
This is the best way to clean a roof if you have asphalt.
We recommend hot water because metal roofs can handle it and hot water is more effective.
Not to mention using a pressure washer from a high place is dangerous.
Then get a 12 volt or gas powered detergent sprayer.
Read on for our best roof cleaning tips.
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 power of pressure washers can be too much of a good thing.
However keep the concentration of the detergent at its minimum.
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.
Pressure washing is very effective but may be best for metal or concrete roofs.
This makes it easy for you to coat your metal roof with detergent while you are on the ladder.