How To Pressure Wash Metal Roof

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How to pressure wash metal roof.

Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or parts of your home. For any areas that don t wash away with pressurized water fill a bucket or other container with water. Pine sap decaying leaves and even road dirt that s drifted into the air can settle on your metal roof and stain it. You only need low pressure on metal roofs as it is enough to disturb and clean them.

Cleaning a metal roof. This is very effective at getting rid of algae and mildew both of which often grow on metal roofs. To remove severe rust stains. Use a cloth or sponge to clean.

For every part water combine 0 05 part mild dish or laundry detergent. 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. 5 parts water 1 part diluted hydrochloric acid or citric acid or muriatic acid or oxalic acid or vinegar.

Opt for something soft to protect your roof s paint and parts. Mix water and mild detergent for stubborn areas. Use a rag to apply to affected spots and use circular wiping motions. 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.

There is a chance that the pressurized water could damage your shingles. Start off with a hot water pressure with a 40 degree tip. We recommend hot water because metal roofs can handle it and hot water is more effective. Pressure washing is very effective but may be best for metal or concrete roofs.

As you spray keep the distance of the pressure washer nozzle uniform across the roof. However if you hire a seasoned company like fiddler roof cleaning you will have access to environmentally friendly cleaners such as eco roof.