Using a pressure washer to clean the roof tiles can create a lot of mess below on the ground.
How much psi to clean roof tiles.
The average garden hose sprays water at 40 to 80 psi.
A pressure cleaner set at a maximum of 1200 psi should be used.
Cleaning your tile roof if desired we strongly recommend that a licensed and insured professional roofing contractor or cleaning company be used to clean paint or re seal your roof.
Start at the ridge of your roof the top and spray down toward the gutters.
See typical tasks and time to pressure wash tile roof along with per unit costs and material requirements.
Doing this ensures that debris is always heading in the right direction off your roof.
Rent or buy a pressure washer and clean your tile roof using a solution of 1 percent household bleach to water.
To clean a tile roof use a pressure washer to spray the roof with plain water to.
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This will remove all the moss and lichen as well as any built up dirt.
Operate your pressure washer at 1 200 psi and keep the nozzle at least one foot away from the tiles as you work.
Pressure washers use 1 300 to 2 800 pounds per square inch to strip dirt moss and even paint from a surface.
See professionally prepared estimates for tile roof pressure washing work.
The tip of the nozzle on the pressure cleaner should be kept approximately 12 to 24 inches.
The high pressure power washer blows about the moss dirt and lichen and it usually falls below.
As you did in the previous step walk backwards when you are spraying away from the wet tiles and onto the dry.
Typically a garden hose at roof level will output no more than 65psi in a jet stream and well under 10 psi in a fan spray.
By comparison a fire hose sprays at 150 to 300 psi.
Give the anti moss spray time to do its job and then use the high pressure cleaner to wash the tiles down.
Start with a medium pressure spray pattern and adjust from there accordingly.
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.
Clean the roof tiles with a high pressure water spray.
Operate your pressure washer at 1 200 psi and keep the nozzle at least one foot.
Rent or buy a pressure washer and clean your tile roof using a solution of 1 percent household bleach to water.
Using a pressure washer set to a low psi rinse loose debris off your roof with clean water.