Trex vs. Azek: What’s a Better Option for My Deck?

Trex vs. Azek Decking

Deciding the right decking material doesn’t need to be a problem if you know about your options well.

Azek and Trex that are widely popular are the two choices for most homeowners.

But which one is better and why you should choose one over the other – comes down to knowing more about these industry-leading materials!

So, in this brief comparison guide, we will talk about both these options that are great for high-traffic areas like a deck, patio, and balcony.

Let’s start with the composition of each and what these materials actually hold in…

While Trex is a true composite material made of recycled wood and recycled plastic, Azek (also called TimberTech Azek) is basically made up of PVC.

Trex is actually built from wood chips and pressed sawdust that helps it get a more natural look that resembles wood.

But keep in mind, although Trex looks much like wood, both these materials cannot be mistaken for real wood as they are far more different than natural wood.

Trex Deck


  • Look and feel like wood
  • Scratch resistant and affordable
  • Comes with fade and stain warranty
  • Low maintenance, sustainable and long lasting


  • Cannot be Pressure-washed
  • Combustible and Static Build-up
  • Difficult to maintain in areas with ice and snow

Azek Decking


  • Low maintenance
  • Does not splinter or fade
  • Cortex compatible and reusable
  • Resist extreme weather conditions
  • Resistant to mold, mildew and insects
  • Lightweight and available in wide color choices


  • Higher cost
  • Can absorb heat fast
  • Hazardous due to VOC content

Trex vs. Azek Decking Problems

Every decking material comes with a few drawbacks, so let’s discuss them first when it comes to choosing between Trex vs. Azek.

Since Azek is PVC, it will always expand and contract more compared to Trex.

This makes Azek decking material more susceptible to getting cracked fast, especially if you live in areas that experience extreme high or low temperatures.

Azek can also be a problem if you use them outdoor for fencing, raised beds, and porches in areas with tremendously high temperatures.

On the other hand, the problems with Trex are it attracts more dirt, moisture, mold, and mildew than Azek simply because it’s made from wood fibers and not plastic.

So, for your pool deck, coastal areas, and locations that experience heavy rain and moisture, Azek is always the better choice.

Trex however wins in areas that experience lesser seasonal swings.

Not only for your docks, but you can also use Trex composite material for a front porch and fences without any problem.

how to maintain trex and azek

The Cost and Maintenance: Compared to Wood

While Trex and Azek decking materials are both more expensive than traditional wood decks and structures, Trex is cheaper out of two.

In fact, if you compare the costs of both for a similar project, the price of Azek will be 2 to 3 times more than the cost of Trex.

When it comes to caring and maintenance, both these materials require lesser care compared to traditional wood.

This also means that you can stay worry-free when you install Trex and Azek as they do not require frequent painting or staining like wood.

However, if you clean them on regular basis and use it with proper care, you can prevent them from getting scratched.

If you desire painting, you’ll want to choose a high-quality latex floor or solid color acrylic latex deck stain for the best results on your Trex or composite decking.

This will automatically increase the lifespan of Trex and Azek even more.

So, Which is Better for Deck Trex or Azek (Final Thoughts)

Well, if you need to decide between Azek and Trex, it will depend on the region and climatic conditions you live in.

Although Trex is a clear winner when it’s about pricing, Azek can prove to be much cheaper in the long run if your home is exposed to outside moisture, rain, and snow.

Also, if you are concerned about the warranty, both these deck products come with proper warranties.

The dealer will either replace the damaged boards completely or may refund the part of the money you invested based on the defects.

No matter what you choose, rest assured that you will be getting a great variety in colors and styles to complement your home with a great-looking deck.

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