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More About Pressure Washing Services from Wikipedia


Pressure washing or power washing is the use of high-pressure water spray to remove loose paint, mold, grime, dust, mud, chewing gum and dirt from surfaces and objects such as buildings, vehicles and concrete surfaces. The volume of a mechanical pressure washer is expressed in gallons or litres per minute, often designed into the pump and not variable. The pressure, expressed in pounds per square inch, Pascal (unit), or Bar (unit), is designed into the pump but can be varied by adjusting the unloader valve. Machines that produce pressures from 750 to 30,000 pounds per square inch (5 to 200 MPa) or more are available.


The terms pressure washing and power washing are used interchangeably in many scenarios, and there is some debate as to whether or not they are actually different processes.


A pressure washing surface cleaner is a tool consisting of two to four high-pressure jets on a rotating bar that swivels when water is flowing. This action creates a uniformed cleaning pattern that can clean flat surfaces at a rapid rate.


Hydro-jet cleaning is a more powerful form of power washing, employed to remove buildup and debris in tanks and lines.


Areas of Use


Pressure washing is employed by businesses and homeowners to reduce allergies, minimize hazards, and improve aesthetics. A pressure washer is used to clean surfaces such as:



  • Gutters

  • Roofs

  • Decks

  • Sidewalks

  • Patios

  • Driveways

  • Siding

  • Parking lots


Depending upon the surface to be cleaned, higher or lower pressure should be used, as well as the appropriate nozzle.


Nozzles


Pressure washer nozzles alter the direction of flow and velocity of the water. Nozzles allow users to reach a greater distance or apply more pressure to a difficult to clean surface, however, they can be dangerous. Nozzles are color coded for easy identification, with black nozzles covering the widest degree (65°) and red nozzles covering the least (0°). Great care should be taken when using a 0° nozzle as it can cause injury to the user and damage to surfaces.


See also


Briggs & Stratton
Kärcher
Nilfisk
Reverse graffiti


References



Further reading


Society for Protective Coatings (1995), ''Surface Preparation and Cleaning of Steel and Other Hard Materials by High- and Ultrahigh-Pressure Water Jetting Prior to Recoating.'' Pittsburgh, PA. SSPC
U.S. Water Jet Technology Association, ''Recommended Practices for the Use of Manually Operated High-Pressure Water Jetting Equipment'', St. Louis, MO: US Water Jet Technology Association, 1987


External links




Learn more about Pressure Washing Services:

https://en.wikipedia.org/wiki/Pressure Washing