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How to Clean Composite Deck

How to Clean Composite Deck

Composite decking in recent years has been the best choice of material for outdoor decks. This is because outdoor decks and patios are exposed to constant elements and cleaning it daily can make your environment look great. Also sweeping and keeping the surface of the deck as dry as possible frequently can keep the life of the material which was used in making it.

For natural wood lovers, perfectly cleaning a wood deck needs constant attention. You can buy a solution to clean your deck or cook up a solution that is effective in handling oil, debris, and algae. In addition to this, you also need to constantly check and seal it to protect it from harsh conditions such as heat and moisture. Sometimes, a natural wood deck can splinter meaning you have to sand and replace the board from time to time.


When it comes to composite decks, this is totally different. They offer a lower maintenance rate – they don’t usually splinter and you don’t need to constantly keep painting, sealing, and staining your floor. In this article, we are going to be talking on how to clean and keep your composite deck in great shape.

Deck Cleaning Solutions & Materials Needed

Tidying your deck requires brushing your floor with a cleaning solvent and a quality follicle brush. You would need several tools, these may include:

  1. A Brush with an extension pole.
  2. Cleaner.
  3. A bucket.
  4. A power washer or a garden hose with a water nozzle.

Also, there are a number of homemade cleaning products that are actually safe to use for cleaning on your deck whether you have a composite deck or a natural deck. They can be purchased at your general supermarket or at the mall. Depending on the steps you take, whether you have a composite or natural deck, various combinations of these materials can help you clean and preserve your deck:

How to Clean Composite Deck: Tools and Materials Required

Warm water – This can be used alone to clean and wash a composite deck.

Liquid Dish Soap (ammonia-free) – This material is comfortable for use in scrubbing your deck when mixed with slightly warm water. Just mix a gallon of water, two tablespoons of ammonia-free dish soap, 1 pint of alcohol as well as 1 quart of oxygen bleach. Ensure you use ammonia-free dish soap because if ammonia is mixed with the beach, it can result in creating a toxic fume that is harmful to users. Once you have developed your blend of solvent, scrub or swab your deck then rinse it with sterile water.

Vinegar – This is safe for both wood and composite decks. Just mix half a cup of apple cider vinegar or white vinegar to a gallon of water and ¼ cup of baking soda.

Powdered Oxygen laundry cleaner or Oxygen Bleach – This material is safe to use on your composite deck in the removal of tough stains and molds. When scouring your composite deck, be confident that you use only oxygen bleach and not chlorine bleach so you don’t undermine the integrity of your composite deck.

How to Clean a Composite Deck

When it comes to scouring a composite deck, the process looks quite unique from cleaning techniques for raw or wood decking. To maintain its functionality as well as its beauty, a little or minimum care can really go a long way. The first step in maintaining and cleaning your deck is that you should not use household materials that natural wood deck use in keeping it looks new. Most of the chemicals can end up damaging the composite material and you don’t want that on your deck.

Step 1: Pre-spray your deck

When beginning a DIY composite patio cleaning, start off by spattering the ground with a hose and water to get free of the current residue on the surface.

Step 2: Spray the deck with soapy water and scrub

Next off, spray your composite deck with soapy water then follow it up with a mild scrubbing using a soft bristle brush on each deck board.

Step 3: Rinse the surface thoroughly

After scrubbing the surface of your composite deck for some time, rinse your deck using clean water. This step is very important because if the dirty water used in scrubbing is left to dry, a thin film may form on the surface of the deck.

How to Remove Mold from your Composite Deck

To get rid of mold from your synthesized deck, try utilizing vinegar.

Step 1: Pre-rinse

Use a power washer or your hose to eliminate as much decay you can find as possible.

Step 2: Arrange your vinegar solution

Start by adding one part of water and two parts of vinegar in a bucket and mix. Next, pour the solution on mold which is found on the surface of the composite deck.

Step 3: Sprinkle some Baking Soda

When step 2 is done, sprinkle some baking soda on the area of the mold and let it sit for more than 20 minutes then scrub the area using the gentle bristle brush to remove the mold.

Step 4: Rinse the Surface Thoroughly

Finally, intensely wash the surface of your composite deck to avoid leaving a thin layer of dirty water.

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