How to Pressure Wash a Patio: The Right Way to Clean Concrete, Pavers, and Stone

There is no faster way to make a tired, grimy patio look brand new than a good pressure washing session. I’ve seen years of embedded dirt, algae, and staining disappear in an afternoon — and the transformation is genuinely satisfying. But I’ve also watched homeowners blast permanent gouges into pavers, strip joint sand right out of the gaps, and etch ugly stripe marks into concrete that will never fully go away. Knowing how to pressure wash a patio the right way is the difference between a surface that looks restored and one that looks damaged. This guide covers everything I’ve learned through trial, error, and a few expensive mistakes, so you can skip straight to the good results.

The Electric Pressure Washer That Finally Lets You Control Your Trigger Finger

The real enemy of a clean patio isn’t dirt — it’s over-pressure. Gas washers are easy to rent, but they’re also easy to abuse, and that’s where the permanent damage happens. I needed something with enough power to cut through embedded algae and years of grime, but with enough control that I could dial back the PSI when moving across softer stone or between pavers.

What works

• 3100 PSI is genuinely enough to clean concrete and brick without the overkill that destroys paver joints — I can actually see the difference between “dirty” and “clean” instead of just obliterating everything.
• The electric motor is quieter and steadier than gas, which means I can hear the surface and adjust my technique in real time instead of fighting a roaring engine.
• No mixing fuel, no pull cords, and no cleanup ritual — I just plug it in, hit the trigger, and walk away when I’m done. That matters more on a Saturday afternoon than it sounds like it should.

What doesn’t

• You’re tethered to a 25-foot outlet cord (or an extension), so large patios require some cord management and planning that you don’t think about with a gas unit.
• It’s not the fastest option for a truly filthy patio — a 4000+ PSI gas washer will finish the job quicker, but speed is exactly what causes the stripe marks and paver damage I’m trying to avoid.

I had one moment of real doubt standing over a particularly stained section where nothing seemed to budge, wondering if I’d chosen underpowered equipment. Then I slowed my trigger squeeze, kept the nozzle at a lower angle, and let the pressure do its job instead of trying to brute-force it — that’s when the stain finally released, and I realized this washer was teaching me the right technique instead of rewarding bad form. That’s worth picking up a Westinghouse ePX3100v Electric Pressure Washer.

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