Wash siding, concrete floors, decks and even your car faster and easier.Pressure washers are so much fun to use--and show such dramatic and quick results--that you''ll be begging to clean your neighbors'' siding, driveways and cars once you''ve finished your own.You can rent or buy a pressure washer to clean nearly any outdoor item. By following the tips in this article, you''ll learn how to use pressure washers safely and efficiently.Two types of pressure washers and how they workPressure washers, whether they''re powered by electric motors or gas engines, run a pump that pressurizes the water from your garden hose to 1,000 lbs. or more, then forces it out through a spray wand. The higher the pressure (measured in pounds per square inch--psi), the tougher the cleaning jobs they can tackle. Both types require a steady, uninterrupted supply of water (in gallons per minute--gpm). For occasional use, most homeowners will find that a washer with a pressure range of 1,300 to 2,400 psi works best.

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