Should You Pressure Wash Composite Decking?

Henry A
Pressure washing decking

To pressure wash composite decking is one of the fastest and most efficient ways to clean dirty surfaces. It uses high pressurized water to scrape dirt and debris off the surfaces. However, it’s also precisely why it can also damage any surface. So, you may be wondering, should you pressure wash Ultradecking?

Should Pressure Wash Your Composite Decking?

Pressure washers can easily damage masonry and wood. As you can imagine, no matter how strong composites are, they can ruin composite decking. That is the reason why most manufacturers advise against using power washers. The truth is, some companies even state in their warranties that you will be held accountable for any damage done by using pressure washers. Your warranty will be void if you damage the boards using a power washer.

Does it mean you can’t use pressure washers on composite decking? No. You can still use them to clean your patios. Many still enjoy using it for a fast and efficient method of cleaning their decking, especially for those who own spacious decking. However, you’ll have to be careful not to damage your composite decking. You may also want to check on the boards’ manufacturers regarding the use of power washers.

So the next question is, how do you safely use a power washer on composite decking?

Using a Power Washer to Clean Your Composite Decking

Should You Pressure Wash Composite Decking

If you still want to proceed in using a power washer, you’ll have to remember a few things to do it safely. You will want to minimize as much damage as possible. Here is how you can clean your decking with a pressure washer without ruining your decking.

  1. Check with your manufacturer. We can’t stress this enough. Before using a power washer, make sure you will not void any warranty. Aside from that, you may also find specific instructions on how to use a power washer on their composite decking boards.
  2. To start cleaning your decking, remove all the furniture, plants, and decorations on your decking. You can also give your decking a fast sweep to remove any loose dirt and debris for faster cleaning.
  3. Next, set the power washer into the correct settings. You will need to determine what tip and how much pressure to use. In general, you will need to use a wide tip. The maximum recommended pressure setting ranges from 1500-3100 psi, depending on the brand. You’ll want to use one with a soap dispenser. Otherwise, you can manually spray the soap or cleaning product on the decking by yourself. You’ll also want to wear protective gear when you use a power washer.
  4. Next, test the setting on a hidden part of the decking. Doing this will help you avoid any damage to the prominent parts of the decking. It can also tell you if you need to readjust your settings. If your boards have grains, make sure that you go along them to minimize the damage. Make sure to keep a good distance between the power washer and the surface of the decking.
  5. Make sure to rinse the decking thoroughly. When soap dries on the decking, it can leave a thin film on the decking. Then, leave it to dry for a few minutes.

Cleaning Your Decking Without a Power Washer

If you want to be on the safer side, you can always clean your decking without a power washer. Unless you own a very big decking, manually cleaning a decking is better. So, how do you clean decking without pressure washing it? Here are the steps.

  1. Remove all the furniture, plants, and decoration from your decking. Make sure to lift them carefully. Never drag them across your patio. Then, rinse your decking with water.
  2. After rinsing your decking, with a soft-bristled brush, gently apply the decking cleaning product on the boards. Alternatively, you can also use homemade cleaning solutions, such as vinegar and baking soda. Let the cleaning solution sit on the decking but do not let it dry. For this reason, it’s best to work in batches.
  3. Finally, rinse the decking with water until the run-off is clear. Make sure to check for leftover stains and dirt and brush them again if necessary. Let it dry before placing the furniture and plants.
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