How To Pressure Wash Metal Roof

Remove the particles or pieces that are causing the rust stains.

How to pressure wash metal roof. There is a chance that the pressurized water could damage your shingles. 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. Start off with a hot water pressure with a 40 degree tip. Cleaning a metal roof.

This is very effective at getting rid of algae and mildew both of which often grow on metal roofs. However if you hire a seasoned company like fiddler roof cleaning you will have access to environmentally friendly cleaners such as eco roof. As you spray keep the distance of the pressure washer nozzle uniform across the roof. Spray this mixture onto the roof and agitate it with a soft bristled brush to get it clean.

Pine sap decaying leaves and even road dirt that s drifted into the air can settle on your metal roof and stain it. Mix water and mild detergent for stubborn areas. For years many companies in the roofing industry have advised using a mixture of cup of tri sodium phosphate per one gallon of water. Most of these substances can be removed by a mixture of cup tri sodium phosphate and 1 gallon of water.

Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or parts of your home. Opt for something soft to protect your roof s paint and parts. For every part water combine 0 05 part mild dish or laundry detergent. To remove severe rust stains.

Cleaning la s totally awesome vs. You only need low pressure on metal roofs as it is enough to disturb and clean them. However keep the concentration of the detergent at its minimum. Pressure washing is very effective but may be best for metal or concrete roofs.

We recommend hot water because metal roofs can handle it and hot water is more effective. For any areas that don t wash away with pressurized water fill a bucket or other container with water.