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.
Can you pressure wash a roof.
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.
There is a chance that the pressurized water could damage your shingles.
The trouble is these types of tiles are really common.
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.
Use a sprayer attached to garden hose that s filled with equal parts chlorine bleach and water.
Start with a medium pressure spray pattern and adjust from there accordingly.
Always stand on a dry area of the roof as wet shingles can be very slippery.
For starters we never recommend.
Some products used for cleaning may recommend pressure wash but you need to be more careful and not set the pressure too high.
Make sure the nozzle pressure is set to less than 1200 psi.
Even on the exterior of your home or in your yard fixtures housing electricity should not be pressure washed.
Pressure washing is very effective but may be best for metal or concrete roofs.
After spraying the roof with the.
The reason is simple.
It takes a professional to clean a roof and they don t employ the use of high pressure equipment.
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.
Of laundry strength liquid chlorine bleach and water.
Use a pressure washer which can loosen shingles and seriously damage your roof.
You ll do more harm than good.
That s because these tiles are made of granular concrete and the pressure will actually degrade and wear them away significantly.
Even with growth forming on your roof s surface you should not break out the pressure washer on your asphalt shingles.
Tempting as it might be to blast away unsightly moss and algae using a pressure washer to clean your roof is dangerous not to mention potentially damaging.
This is the best way to clean a roof if you have asphalt shingles.
Of course some chemicals can harm your roof as well and the runoff could cause problems with your landscape or parts of your home.