Make sure the nozzle pressure is set to less than 1200 psi.
Can you pressure wash a roof.
Start with a medium pressure spray pattern and adjust from there accordingly.
After spraying the roof with the.
This is the best way to clean a roof if you have asphalt shingles.
The trouble is these types of tiles are really common.
Always stand on a dry area of the roof as wet shingles can be very slippery.
Pressure washing is very effective but may be best for metal or concrete roofs.
Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or parts of your home.
You ll do more harm than good.
There are actually a number of common roof tiles they it s recommended you never wash with a pressure washer.
Of laundry strength liquid chlorine bleach and water.
That s because these tiles are made of granular concrete and the pressure will actually degrade and wear them away significantly.
For starters we never recommend.
There is a chance that the pressurized water could damage your shingles.
Some products used for cleaning may recommend pressure wash but you need to be more careful and not set the pressure too high.
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It takes a professional to clean a roof and they don t employ the use of high pressure equipment.
Use a pressure washer which can loosen shingles and seriously damage your roof.
Use low pressure to spray it clean the power of a pressure washer can damage the shingles on your roof so it s important that you select the proper spray tip.
Pressure cleaning a roof when done properly using rotary cleaning equipment is safe cost effective and will not force water through or under tiles as the jet angle is controlled and always points away and down the roof rather than into or all over the place which is the case when blasting with a lance or wand is used.
The reason is simple.
Even with growth forming on your roof s surface you should not break out the pressure washer on your asphalt shingles.
It s generally not necessary to pressure wash a shingle roof for the purpose of removing ordinary dirt and leaves and pressure washing can potentially damage the shingles coating of protective.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
Though they can withstand a rainstorm pressure washing can force water into cracks and crevices and cause damage resulting in a need for costly repairs.