Pressure Washer Metal Roof

Pressure washers use 1 300 to 2 800 pounds per square inch to strip dirt moss and even paint from a surface.

Pressure washer metal roof.

Spraying water under your shingles can both tear off the shingles and force water under them and into your home. There is a chance that the pressurized water could damage your shingles. Roof moss removal cost. You can also simply wash it with detergent depending on how accessible the roof is and what its pitch is.

By comparison a fire hose sprays at 150 to 300 psi. How to clean various types of metal roofs. For a basic project in zip code 47474 with 500 square feet the cost to pressure wash roof starts at 0 33 0 40 per square foot. The average garden hose sprays water at 40 to 80 psi.

When you clean metal you can use light pressure if necessary and you can use a hot water pressure washer. Aim the pressure washer down the roof toward the gutters and keep the tip of the wand at least a foot away from the surface when starting. We recommend hot water because metal roofs can handle it and hot water is more effective. Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or parts of your home.

Start off with a hot water pressure with a 40 degree tip. This is very effective at getting rid of algae and mildew both of which often grow on metal roofs. To estimate costs for your project. Never aim your pressure washer up the roof as it can push water under the shingles.

Pressure washing is very effective but may be best for metal or concrete roofs.