The average garden hose sprays water at 40 to 80 psi.
How to soft wash a tile roof.
Using a pressure washer set to a low psi rinse loose debris off your roof with clean water.
Start at the ridge of your roof the top and spray down toward the gutters.
Cover and avoid all windows when spraying.
Important safety guidelines to follow when cleaning tile roof.
Use shoes with good traction.
The surfactants used for soft wash cleaning seep into the nooks and crannies of a roof and soften and dissolve thick dirt mud sand and even storm debris.
Pressure washers use 1 300 to 2 800 pounds per square inch to strip dirt moss and even paint from a surface.
Add 1 2 cup powder per gallon of warm to hot water.
Pressure washing in which highly pressurized water is sprayed on the roof to remove any mold algae dirt or grime and chemical cleaning sometimes called soft washing in which chemicals are the main thing that are removing those harmful things from your roof.
Doing this ensures that debris is always heading in the right direction off your roof.
Spray the roof with plain water to dislodge loose dirt and debris.
See coverage area to the right to determine how many gallons of solution you ll need.
A low pressure washing rinses everything away reducing the risk of damage to shingles and tiles and other materials.
So to get in front of the question of a pressure washer the term soft wash roof cleaning became one of several roof cleaning buzzwords.
Wash safe roof wash is a strong concentrate.
High volume low pressure rinse roof shampoo and others.
So to answer your question.
Instead soft washing with a garden hose is least likely to chip dent or crack the tiles or panels.
All these terms mean is a sensible use of pressure to rinse the roof without damaging the shingles or roof tiles.
Shoes with good traction will give you additional hold and balance while.
Wet mossy and soapy tiles are slippery.
Step on the lower portion of the tiles.
By comparison a fire hose sprays at 150 to 300 psi.