Never aim your pressure washer up the roof as it can push water under the shingles.
How to pressure wash a steep roof.
This is a roof cleaning completed yesterday.
When you pressure wash use the minimum force possible to pry the fungus free and wash it from the roof.
Always stand on a dry area of the roof as wet shingles can be very slippery.
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.
Begin from a corner of the roof and work your way down from top to bottom.
Spraying water under your shingles can both tear off the shingles and force water under them and into your home.
Water pressure under 2000 psi should be sufficient for a quick and efficient job.
1 attach a 35 degree spray wand to the pressure washer hose and fill the pressure washer.
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