How to Protect Your Composite Decking

Composite decking is a popular choice for outdoor spaces due to its durability, low maintenance needs, and aesthetic appeal. But an outdoor deck is not only an extension of your living space, it’s also a space to enjoy with friends and family. That’s why your deck should be in perfect condition all year round. As with other traditional types of decks, we need to focus on protection from the environment. to ensure its longevity and beauty. In this article, we’ll go over how to protect your composite decking and how to repair and replace it.

How to protect your composite decking

Composite decks are known for their durability and longevity. However, there are still some care and maintenance measures that we need to take to ensure its longevity and performance. It won’t be as susceptible to damage as traditional wood, but there is the potential for scuffing and wear and tear.

Regular cleaning

One of the most important steps in protecting composite materials is to clean them regularly. It requires better maintenance and upkeep costs compared to wood decking. But you still need to clean it regularly to remove dust, stains, and debris. This will also protect the deck and ensure its performance.

Surface dirt can be easily removed using warm soapy water and a composite deck cleaning brush. For more stubborn stains, a low-pressure washer and mild detergent can be used to remove them. Regular deck cleaning prevents the buildup of dirt and grime, and can effectively keep your composite deck in perfect condition.

Avoid using chemical products

You need to clean your deck regularly to ensure its longevity and durability. But it is vital to avoid using abrasives or chemical-laden cleaners during the process of cleaning composite decking. These items can seriously damage the deck and cause fading.

Try to use a mild, non-abrasive cleaner built specifically for composite materials. And follow the instructions during the cleaning process. Rinse your deck surface thoroughly after cleaning to remove residue. Reducing the amount of cleaner used will effectively minimize the amount of residue left behind.

Protect from direct sunlight

Most manufacturers offer composite decking with sun protection. COOWIN can also provide homeowners with even better fade-resistant composite decks. However, prolonged exposure to direct sunlight or the effects of UV rays can also lead to fading of the deck. To protect your deck from UV rays, consider using a sealant for a composite deck that is UV resistant. This sealant can effectively protect a deck that has been exposed to the sun for an extended period. Maintaining its appearance and integrity.

In addition to the sealant, you can use outdoor carpeting or build an awning. This can also reduce direct sunlight.

capped composite decking

Avoid mold and mildew

COOWIN composite deck board is effective against mold and moisture. However, mold and mildew can still occur in some extreme cases. To prevent the growth of mold and mildew, make sure your outdoor deck is well-ventilated. Minimize the effects of moisture and standing water. Also, if there is vegetation around your outdoor space, build it regularly to increase air circulation.

Promptly remove debris from the surface of composite decking boards, which can cause moisture and standing water to build up. If your deck has developed mold and mildew, remove mold from the composite deck with a cleaning solution designed to remove mold.

Prevent scratches

Composite material is very strong and durable, but it can get scratched in some cases. Some heavy furniture with thin bases may cause damage to the deck. To prevent scratches, place protective pads or rugs under furniture. Avoid dragging heavy objects or furniture on top of the deck, which may cause scratches.

Also, if your composite decking is installed in a high-traffic area, consider using pads for extra protection. Also check the surface of your deck regularly for scratches, which need to be addressed promptly if you find them.

Clean up food debris immediately

COOWIN composite decks have been carefully designed so that they can effectively resist the growth of mold and mildew. However, you still need to clean up accidental spills of food, drink, or oil promptly. They may provide the right moisture, oxygen, and growth environment for mold.

For these food residues, wipe them off immediately with a clean cloth or paper towel. Some stubborn stains can be cleaned with detergent or warm soapy water. In addition to this, inspect the surface of your deck regularly and clean the stains promptly to maintain its appearance.

Regular inspection

Regularly check the composite decking board for signs of damage such as cracks, loose decking, or discoloration. Problems need to be addressed promptly to avoid further damage. If you find structural problems or serious damage to your decking board, consult a professional for repair or replacement.

Protection from direct sunlightdeck

Repair or replacement of composite decking

Minor damage

If your deck has minor scratches or damage, then consider using a repair product to fix it. However, these specialized repair fillers are only suitable for minor scratches or dents, and only for fully capped composite decking.

Severe damage

If the decking has suffered serious, even structural damage, then we strongly recommend that you replace the decking. A severely damaged deck is a major threat to your daily use.

If you are hesitant to replace your deck, feel free to contact us for more professional help and a full understanding of the deck’s condition. And COOWIN will provide homeowners with better quality and more durable composite decking.

Contact us to seek free samples so that you can find better-quality composite decking.


All in all, with these steps above, you can better protect your composite decking. Ensure its longevity, performance, and appearance. Regular cleaning, protection from direct sunlight, avoidance of mold, and regular inspections are all key to maintaining the longevity of your decking. If you maintain and protect it properly, your composite decks will remain an attractive outdoor space.

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