01:10 Jul 12, 2019 |
Danish to English translations [PRO] Tech/Engineering - Construction / Civil Engineering / exterior finishing | ||||
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Summary of answers provided | ||||
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1 | pressure washing / power washing |
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pressure washing / power washing Explanation: water repellent impregnation for pressure washing / power washing sources: Façade Cleaning: Taking a Shine to Your Building | Habitat Magazine https://www.habitatmag.com/.../Facade-Cleaning-Taking-a-Shin... Water There are three kinds of water-based methods for cleaning façades: • pressure-washing • soaking • steam / hot-pressurized washing Properly applied, water treatments are the least invasive types of façade cleaning and a conservative way to start the job, especially when dealing with typical dirt and grime. The most common method is pressure-washing, in which you apply a low- to medium-pressure spray (100 to 400 pounds per square inch) to the surface of the building. (As a point of reference, the spray from a garden hose is about 60 psi.) The water pressure usually starts out low and is increased as needed, followed by scrubbing with a natural or synthetic (but not metal) bristle brush for stubborn areas and detailed elements. Pressure washing - Wikipedia https://en.wikipedia.org/wiki/Pressure_washing 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, pascals, or bar, is designed into the pump but can be varied by adjusting the unloader valve. Machines that produce pressures from 750 to 30,000 psi (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. |
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