How To Pressure Wash Metal Roof

This is very effective at getting rid of algae and mildew both of which often grow on metal roofs.

How to pressure wash metal roof.

However if you hire a seasoned company like fiddler roof cleaning you will have access to environmentally friendly cleaners such as eco roof. Opt for something soft to protect your roof s paint and parts. 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. For every part water combine 0 05 part mild dish or laundry detergent.

5 parts water 1 part diluted hydrochloric acid or citric acid or muriatic acid or oxalic acid or vinegar. Cleaning la s totally awesome vs. Cleaning a metal roof. There is a chance that the pressurized water could damage your shingles.

Use a cloth or sponge to clean. Pressure washing is very effective but may be best for metal or concrete roofs. However keep the concentration of the detergent at its minimum. Pine sap decaying leaves and even road dirt that s drifted into the air can settle on your metal roof and stain it.

Remove the particles or pieces that are causing the rust stains. Mix water and mild detergent for stubborn areas. Use a rag to apply to affected spots and use circular wiping motions. For any areas that don t wash away with pressurized water fill a bucket or other container with water.

You only need low pressure on metal roofs as it is enough to disturb and clean them. 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. For years many companies in the roofing industry have advised using a mixture of cup of tri sodium phosphate per one gallon of water.

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.