For example, you may have hosted a big party in your home and your patio s wood deck is a mess after the party. There are muddy footprints all over the floor and grease and grime under the barbecue grill. As you can imagine, this type of mess can be very hard to clean. However, by using a pressure washer, the pressure will be able to loosen the grease and grime as well as other stains on the floor. Pressure washers can eject hot or cold water under high amounts of pressure and the power of it will force dirt, grime, grease, and other contaminants in your floor, wall, and on your roof and car out. Basically, pressure washer is a garden hose on steroids. It can even make a 30 year old brick wall look new again. This is why you have to learn a few techniques in using a pressure washer. Doing so will help in letting you do the job a lot quicker and you also won t risk injuring yourself or other people around you. Before you actually start using the pressure washer, you may want to read and follow the guidelines set by the manufacturer. Medium duty models are rated to produce water pressure of 2000 to 3000psi. This is very effective in removing grease and grime from concrete, siding, and decks. Lastly, you have the heavy duty pressure washers, which are rated to produce water pressure of 3000psi or more. This works well in removing stubborn stains and it can even strip away paint. For gas models, you need to pull the start rope 4 to 5 times. For electric models, you need to flip the switch on and off for a few seconds. After purging all the excess water from the pump, the next step is to disconnect and drain all the hoses. This will help the inside of the pressure hose to dry more quickly, which will prolong its life. Now that you prepared the area for cleaning with pressure washer, the next step is to start the pressure washer can blast away the dirt, grease, and grime. Depending on how big your patio is, you will see that it takes a lot less time to clean the entire patio with a pressure washer. In fact, a few swipes of the wand and nozzle will immediately make the area clean.