You would think that cleaning your composite garden deck was relatively straightforward, right?

After all, it doesn’t require the elbow grease that traditional wood decking does.

However, there are still a few things you can do wrong when cleaning your composite deck that can ultimately damage it.

Here are 15 mistakes to avoid when cleaning your composite deck:

What You Shouldn’t Do When Cleaning Your Deck

1. Using bleach to kill mold

Using bleach is a big fat, “No, no” when it comes to cleaning your composite deck. Bleach will not only kill mold, but it will also strip away the color of your decking boards, making them look faded and old.

Not to mention, bleach is incredibly corrosive and can damage the surface of your decking.

Related: Cheap, Quick, And Easy Alternatives To Decking

2. Pressure washing too close to your decking

If you’re going to pressure wash your composite deck, make sure you’re not holding the wand too close to the surface of your decking. Doing so can damage the boards and leave them looking dull.

Related: How To Clean A Wooden Deck WITHOUT A Pressure Washer

3. Using a wire brush on your composite decking

Never use a wire brush on your composite decking. Wire brushes can scratch the surface of your decking, making it more susceptible to dirt and grime.

4. Not rinsing your composite deck after cleaning it

It’s important to rinse your composite deck after you’ve cleaned it. Otherwise, the soapy residue left behind can attract dirt and grime, leaving your deck looking dirtier than before you started cleaning it.

5. Using the wrong cleaner on your composite deck

There are a lot of cleaners out there that claim to be safe for composite decks, but not all of them are. In fact, some cleaners can actually damage your decking. Before you use any cleaner on your composite deck, make sure you do your research and choose a cleaner that is specifically designed for composite decks.

6. Not sweeping your composite deck regularly

You should sweep your composite deck regularly to keep it looking its best. Sweeping will remove any dirt, dust, or debris that has gathered on the surface of your deck.

7. Ignoring stains on your composite deck

Stains are inevitable, but that doesn’t mean you should ignore them. Ignoring stains on your composite deck will only make them worse and more difficult to remove.

8. Not cleaning your composite deck in the right order

When you’re cleaning your composite deck, you need to start from the top and work your way down. This will ensure that any dirt or debris that falls off of your deck will be caught by the brush and not left behind.

9. Cleaning your composite deck with the wrong brush

When you’re cleaning your composite deck, you need to use a soft-bristled brush. This will prevent any scratching or damage to the surface of your deck.

10. Using a metal shovel to remove snow from your deck

Never use a metal shovel to remove snow from your deck. Metal shovels can scratch the surface of your decking, leaving it more susceptible to dirt and grime.

11. Ignoring the spaces between decking boards

A common mistake people make when cleaning their composite deck is ignoring the spaces between the decking boards. These spaces need to be cleaned as well, otherwise, dirt and debris can build up and cause your deck to look dirty.

12. Not checking the weather

You might think you have all the time in the world to clean your composite deck, but the reality is, that you don’t. Cleaning your deck in the middle of a rainstorm is a surefire way to ruin all your hard work. Make sure you check the weather forecast before you start cleaning your deck so you can plan accordingly.

You also want to give your deck time to dry completely before you put any furniture or rugs back on it. otherwise, you run the risk of trapping moisture underneath, which can lead to mold and mildew.

13. Don’t leave snow on a composite deck

Where possible, try not to leave snow on your composite deck for too long. Snow can damage the surface of your decking, making it more susceptible to dirt and grime.

If you have to leave snow on your deck, make sure you brush it off as soon as possible.

14. Don’t drag objects over composite decking

This is pretty much “don’t do this to decking 101” but it’s worth repeating. Never drag any furniture or other objects over your composite decking. Doing so can scratch or damage the surface of your decking, making it more susceptible to dirt and grime.

If you need to move something heavy across your deck, lift it up and carry it instead.

Related: Deck Replacement: When It’s Needed & What You Need To Do

15. Don’t place hot objects on your decking

Another more obvious one, but worth mentioning nonetheless. Never place any hot objects on your composite decking. Doing so can damage the surface of your decking, leaving it more susceptible to dirt and grime.

If you’re having a barbecue or other outdoor event that involves hot food or drinks, make sure you use a mat or other protective layer to prevent any accidental damage.

FAQs

Can wet and forget be used on composite decks?

Yes, Wet and Forget can be used on composite decks. Wet and Forget is safe to use on all types of composite decking, including Trex, TimberTech, Fiberon, and more.

Related: Composite Deck Boards Make Great Swimming Pool Decks

Can you use a power washer on composite decking?

Yes, you can use a power washer on composite decking. However, you need to be careful not to use too much pressure, as this can damage the surface of your decking.

What should I wash my composite deck with?

There are a number of different cleaners you can use to wash your composite deck. However, we recommend using a mild soap and water solution. This will help to remove any dirt or debris without damaging the surface of your decking.

Can you clean a composite deck with vinegar?

Even though you can use vinegar to clean a composite deck, we don’t recommend it. Vinegar is an acidic substance, which means it can damage the surface of your decking. A light pressure wash is a better option.

Can you use OxiClean on composite decking?

Yes, absolutely. OxiClean is safe to use on composite decking. In fact, it’s one of the best cleaners you can use on your deck.

Should I clean the deck railing?

Yes, you should clean your deck railing. Just like your composite decking, your railing can become dirty and stained over time. A mild soap and water solution is all you need to clean your railings or a light pressure wash regularly.

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