Each of these methods has their strengths and their own shortcomings.
Why pressure clean the roof.
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.
Pressure washing is not the same as power washing.
Pressure cleaning is the process of cleaning the roof using pressurized water from a nozzle.
Without delaying any further the obvious importance of the procedure has been summarized as given here.
The water is sprayed at high pressure with pressure levels reaching or exceeding 4000 psi.
While pressure washing machines will always have value for exterior cleaning your roof is no place for cleaning with pressure.
Pressure cleaning also called pressure washing involves the use of pressurized water.
While they may have compelling arguments for their approach to cleaning roofs the facts are pressure washing causes irreversible damage to roofs.
The high pressure spray helps loosen and remove debris that is stuck to your roof or any other surface.
At under pressure we have the experience you can trust to properly and safely clean your roof.
Homeowners often ask the need to get a pressure cleaning done without truly realizing its significance.
Having your roof cleaned is a much less expensive option than to replace your whole roof.