Spray this mixture onto the roof and agitate it with a soft bristled brush to get it clean.
How to safely pressure wash a metal roof.
You can also simply wash it with detergent depending on how accessible the roof is and what its pitch is.
Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or parts of your home.
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.
If a panel becomes difficult to clean continue rubbing longer but do not increase pressure.
When you clean a metal roof it s a lot different than cleaning tile or asphalt roof.
Soak a heavy cloth or sponge with glasswax.
Pressure washing is very effective but may be best for metal or concrete roofs.
Beginning at the bottom portion of a panel section wipe in a left to right motion until clean.
We recommend hot water because metal roofs can handle it and hot water is more effective.
When a panel section is clean rinse the washed panels with fresh water.
1 3 cup of powdered laundry detergent 1 quart of bleach 5 solution 3 quarts of water.
When you clean metal you can use light pressure if necessary and you can use a hot water pressure washer.
The best way to clean a particular metal roof will depend on what type of metal roof it is.
Some of the most common examples include.
However if you hire a seasoned company like fiddler roof cleaning you will have access to environmentally friendly cleaners such as eco roof.
This is very effective at getting rid of algae and mildew both of which often grow on metal roofs.
Cleaning la s totally awesome vs.
Dip a soft brush or rag in the cleanser and apply to affected areas.
Rinse the surface well with plain water.
For years many companies in the roofing industry have advised using a mixture of cup of tri sodium phosphate per one gallon of water.
To clean a metal roof wait for a dry overcast day and make sure you have a partner to help you for safety reasons.
Most of these substances can be removed by a mixture of cup tri sodium phosphate and 1 gallon of water.
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.
Lightly scrub the surface until the area is free of mildew or mold.
Start off with a hot water pressure with a 40 degree tip.