Pressure Washer Metal Roof

To estimate costs for your project.

Pressure washer metal roof.

When you clean a metal roof it s a lot different than cleaning tile or asphalt roof. This is very effective at getting rid of algae and mildew both of which often grow on metal roofs. By comparison a fire hose sprays at 150 to 300 psi. When you clean metal you can use light pressure if necessary and you can use a hot water pressure washer.

Pressure washers use 1 300 to 2 800 pounds per square inch to strip dirt moss and even paint from a surface. Spraying water under your shingles can both tear off the shingles and force water under them and into your home. 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.

Start off with a hot water pressure with a 40 degree tip. 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. There is a chance that the pressurized water could damage your shingles.

Never aim your pressure washer up the roof as it can push water under the shingles. Actual costs will depend on job size conditions and options. You only need low pressure on metal roofs as it is enough to disturb and clean them. How to clean various types of metal roofs.

Roof moss removal cost.