How Long Does Composite Decking Last?

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Composite decking is the most durable product on market and can last up to 50 years before needing any maintenance. It also has no need for staining or painting, which means you’ll save time in between cleanings!

In addition, it is reported by manufacturer testing many third party confirmed these claims as well; so if durability matters then composite wood may be just what you’re looking for.”

Perhaps you are thinking of building a deck, or you want to upgrade an old patio. One popular material to go for is composite decking material. It looks stylish, and the best part about this material is that it is highly durable. Not just this, they need less maintenance. But the main question is, how long can a composite deck last? 


While the average wooden deck lasts 10 to 15 years, composite products outlast wood decks due to the designed nature of the material.

Molding real wood and synthetic fibers into boards and covering them with a vinyl shield is how composite deck boards are manufactured. By eliminating the damage that damages cheaper timber decks, this manufacturing technique improves the life of composite decking.

Here’s how composite decking addresses the three most prevalent problems that shorten the life of timber decks:

Mold and Rot

When mold grows on a wooden deck’s surface, it’s only a matter of time before the deck rots and falls apart. While mold damages hardwood deck boards, it has no effect on composite decking. This is one of the key reasons for composite decking’s longer lifespan. You can click here to find how to kill mold from wood


Wooden decks not only become structurally unsafe, but they also reveal their age in a manner that composite decks do not. While the ultra-durable composite material maintains its color, wooden decks fade, looking more like driftwood than the high-end product they once were.

One of the reasons composite decks can be 25 or 30 years old and yet appear brand new is because of this. In fact, one of the most important aspects covered by composite manufacturer warranties is color.


Another benefit of the designed capped-composite product is that it does not split like wood decks. At the ten-year mark, it’s not uncommon to see wood deck planks fracture and break apart. Because this does not happen with composite items, the usable lifespan is significantly increased.

How Long Does Composite Decking Last?

Composite decking material can last for a very long time. You can expect a composite deck to last for a minimum of 25 years and that too with minimum maintenance. If you see a company marketing its material to last for up to 50 years, the company is marketing it thinking you will take care of it.

So, if you maintain a composite deck, you can expect it to last for many more years than 25 years. If you contact the best deck builders near me, you will also know how durable they are. 

Composite deck is a better than traditional decking option primarily because of its longevity. This means that you will not have to worry about replacing it quickly. So, a composite deck will have the properties of two primary materials, plastic, and wood.

Aesthetic-wise, composite decks do look appealing, and the attractiveness comes from the wood properties. On the other hand, the durability feature comes from the plastic material. Thus, you get the best of both worlds.

It resists weather and insect damages. Moreover, it is resistant to UV rays, which means the composite deck won’t fade like other decking materials. Ensure to properly maintain them. And you can expect them to last for a minimum of 25 years.

Keep them well maintained and get them installed by a good decking construction Melbourne company and ask them for tips to increase composite decking lifespan.

Read More:

6 Benefits of Replacing Wood Decking With Eco-friendly Composite Decking

How Many Screws Should You Put per Deck Board?

Composite Deck Caring Guide 

Although composite deck materials are highly durable, there are still a few things that can lower the lifespan of this decking material. Therefore, make sure to take care of the composite deck, and they will last long. 

  • Do regular cleaning of the composite deck. You won’t have to exert a lot of energy when you do regular cleaning. Remove loose debris and dirt once a week. If you see dirt and stains, you can remove them using specialist treatments; else, use gentle soap and water to remove them. But make sure the treatment you are using to clean the dirt won’t affect the quality of the composite deck.
  • To remove stubborn dirt from the deck, never use sharp edge objects or shovels. Also, don’t sand them. Call a professional for the cleaning job because they know what to use and how to clean. 
  • If you see grease and oil stains, ensure to clean them right away and don’t wait long because these stains can get absorbed into the deck. 
  • If the deck is infested by mold, call a professional to take care of that. Mold presence means there is moisture. 
  • Keep the composite dry as much as possible. If the composite deck gets exposed to moisture for a long time, it may harm it. 
  • When winter approaches, invest more in the composite deck maintenance because winter increases the moisture content in the air, which can harm the composite deck. 
  • Never use harsh chemicals to clean the composite deck. Even though harsh chemicals make the cleaning process easy and fast, they can harm the deck more than you would expect. 

Watch this video to have more inspiration:


A composite deck will last for a long time if you care for it properly. Look after its maintenance and contact a reliable decking construction company near me because an experienced company will help you with maintenance tips as well.