You may have seen professionals pressure washing, or maybe even done it yourself. For handling enormous cleaning tasks like buildings, walls, parking areas, heavy equipment, or even statues, a pressure washer is often the right tool for the job. Pressure washing is the preferred cleaning method for removing pollution and fuel emission residue on structures in urban areas. It is also an excellent method of removing mineral, lime, and hard water deposits. Homeowners, especially those who like to work on their own cars, will find that pressure washing is great for grease and oil stains in the garage or driveway; it can even remove graffiti!
There is most likely a home improvement center or hardware store in you area that will rent you a pressure washer (or at least point you in the right direction to find someone who will). Make sure that you talk to the people you rent the machine from about the task you plan to use the power washer for to see if they have any advice about technique or particular cleaning solutions you can add to make the operation go smoother.
Power or high-pressure cleaning is a directed blast of internally heated water, often discharged at five gallons per minute, under up to 3,000 pounds per square inch of pressure. For specific cleaning and stain removals, certain chemicals or solvents are added. For specific or environmentally safe cleaning needs, there are several other blasting methods: