Pressure Washer Metal Roof

Never aim your pressure washer up the roof as it can push water under the shingles.

Pressure washer metal roof.

Pressure washing is very effective but may be best for metal or concrete roofs. The average garden hose sprays water at 40 to 80 psi. You can also simply wash it with detergent depending on how accessible the roof is and what its pitch is. We recommend hot water because metal roofs can handle it and hot water is more effective.

Roof moss removal cost. Pressure washers use 1 300 to 2 800 pounds per square inch to strip dirt moss and even paint from a surface. To estimate costs for your project. Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or parts of your home.

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. Spraying water under your shingles can both tear off the shingles and force water under them and into your home. Actual costs will depend on job size conditions and options.

How to clean various types of metal roofs. There is a chance that the pressurized water could damage your shingles. This is very effective at getting rid of algae and mildew both of which often grow on metal roofs. 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.