your first impulse may be to go out and get your own pressure wash unit so that you can tackle your patio and deck cleaning without hiring someone else. This path is, of course, available, but it may not be in your best interest. The tricky thing about power washing deck or patio surfaces is that you "
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have to know how much pressure to use and how to maneuver the spray so that you don't "clean off" more than you intend. The pressure generated by these machines is incredibly high. Unless you know what you're doing, it is very easy to actually strip away the top layer of your deck or patio surface with
the power of the spray. While that's one way to remove any accumulated grime, this method probably won't leave you with the look you're going for! Even if you do achieve the right pressure, it's still incredibly easy to leave what are called "lap marks." These are lines created on your outdoor surface
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