Tips For Pressure Washing Your Deck

Pressure Washing Wooden DeckDecks get dirty, and they need more than just sweeping and a little bit of maintenance. Sometimes, they need to be cleaned with a pressure washer. These machines utilize high pressure water to push dirt and grime away from surfaces. This may seem easy at first glance, but you’re going to need to consider the fact that you could actually damage your deck if you’re not careful. It’s with that in mind that you should consider a few tips to help you move forward with cleaning your deck the right way.

First Things First

The first thing that you need to do is make sure that you set your pressure washer correctly. You need to set things to have a little less pressure than most options. That being said, go for under 1500 PSI or you could cause problems to the wood. Start with a lot less pressure and then ramp up slightly, just don’t go overboard, as it’s easy to push the limits a bit.

Utilizing Cleaners

When it comes to using cleaners, you will have a lot of solutions to consider. There’s really no “one” thing to consider. Make sure that you look at what type of wood you have, and whether or not it’s painted, treated, or sealed. Whatever the case is, utilize a simple detergent to start things off with. The water is going to do a majority of the work, mind you, but a little detergent can go a long way.

The Technique

As you use your pressure washer, make sure that you start with lower pressure, no more than around 600 PSI to start. Use the pressure to see how your deck reacts to the water, and make sure that you move the water around. Don’t just focus on one area, focus on spreading the water out left to right as you go across your deck.
Let things dry for about a day to see what occurs. If you see the wood rising, and perhaps splintering, you will need to work with sanding the fibers. If you do not sand your deck after you clean, you’re going to get splinters and that’s not good on the feet. Sanding your deck doesn’t take a ton of work, you just need to make sure to use 60 grit sandpaper across areas that are raised up. Just smooth things out, and don’t go too deep. Test washing in a small area first, then branch out over the square footage, over time.


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