How To Pressure Wash Metal Roof

However keep the concentration of the detergent at its minimum.

How to pressure wash metal roof.

You only need low pressure on metal roofs as it is enough to disturb and clean them. Pressure washing is very effective but may be best for metal or concrete roofs. For any areas that don t wash away with pressurized water fill a bucket or other container with water. 5 parts water 1 part diluted hydrochloric acid or citric acid or muriatic acid or oxalic acid or vinegar.

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. Mix water and mild detergent for stubborn areas. Use a rag to apply to affected spots and use circular wiping motions.

Spray this mixture onto the roof and agitate it with a soft bristled brush to get it clean. As you spray keep the distance of the pressure washer nozzle uniform across the roof. Use a cloth or sponge to clean. For years many companies in the roofing industry have advised using a mixture of cup of tri sodium phosphate per one gallon of water.

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. Opt for something soft to protect your roof s paint and parts. Most of these substances can be removed by a mixture of cup tri sodium phosphate and 1 gallon of water. Pine sap decaying leaves and even road dirt that s drifted into the air can settle on your metal roof and stain it.

Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or parts of your home. Cleaning la s totally awesome vs. To remove severe rust stains. There is a chance that the pressurized water could damage your shingles.

For every part water combine 0 05 part mild dish or laundry detergent. Remove the particles or pieces that are causing the rust stains.