The best way to clean a cement patio

Written by zachary mitton | 13/05/2017

A nice, clean patio is a great addition to a home, but you won't be able to impress your guests with your patio if it's dirty. The best way to clean your cement patio and make it look like new is to use a power washer. Pressure cleaning efficiently and thoroughly cleans a cement patio.

Attaining Pressure Cleaning Supplies

If you do not have a power washer and don't know anyone who will let you borrow hers, you can rent one from a home improvement retailer such as Home Depot and Lowe's. When deciding which power washer to rent, consider its gallons per minute (gpm) capacity. The higher the gpm, the quicker you'll be able to finish the project, but higher gpm power washers are usually more expensive. There are also heated pressure washers, soaps and degreasing chemicals that you can obtain to make the cleaning project go faster, but they probably won't be necessary to clean off a regular-size cement patio.

Clearing the Patio

Before cleaning your patio, clear everything off it. If you have anything heavy, such as chairs or tables, you may need someone to help you move them. Just place everything off to the side where they won't be sprayed. You'll be able to put everything back on the patio after you've washed it, even when it's wet. So you don't need to store everything indoors overnight.

Preparing the Power Washer

Find a nearby water hose to use as a water source, and attach the hose to the power washer. If the power washer is electric, however, find an outlet that is nowhere near the patio to avoid electric shock. If the power washer is powered by gas, then ensure it's properly fuelled.

Choosing a Nozzle Attachment

Power washers come with different nozzle attachments so that you can adjust the water pressure coming out. Because a cement patio can't be damaged easily with just high-pressured water, you can feel free to use the attachment that provides the maximum amount of water pressure. Use at least 1361 Kilogram per square inch (PSI) to clean cement.

Pressure Cleaning the Patio

Now you're ready to start washing the patio. First, though, put on some sort of eye protection. Turn the power washer on and test it on a spot on the patio until you are comfortable with the feel of the pressurised water spraying out. Instead of randomly spraying spots clean with the power washer, systematically clean the patio. Start by washing a strip left to right in the very back, and keep removing strip after strip until you are done. Where you start doesn't matter as long as the side you end on allows the water to flow right off the patio. As you progress, there should be a definitive line between where you washed and where you haven't washed. Once you finish cleaning the last strip, check the patio for spots that were missed; go over them again until they are clean.

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