Trex vs Other Composite Decking: Which Is Better in Australia?
Trex is a well-known American brand, while EVODEK and Ekodeck offer boards with local Australian supply and support. All three are capped composite, so the practical differences come down to availability, warranty, price, and local service.
Having compared boards from several composite brands on Australian projects, I have found that local availability matters more than most buyers expect. An imported board with a long warranty is only useful if you can source matching replacements years later. This guide compares Trex against locally supplied composite decking on the factors that affect Australian buyers.
Table of Contents
How Does Trex Compare to Other Composite Decking in Australia?
Trex, EVODEK, and Ekodeck are all capped composite boards with warranties from 25 to 50 years, but they differ in Australian availability and price by up to AUD $80 per square metre. The table below compares them on the factors that matter most for an Australian project.
| Factor | Trex | EVODEK | Ekodeck |
| Origin | United States | Manufacturer since 2000, Australian office | Australian brand |
| Australian supply | Imported, selected stockists | Local distributor network | Widely available locally |
| Construction | Capped composite | Co extruded, 1.3 g/cm³ cap | Co extruded composite |
| Residential warranty | Up to 50 years | 25 years | 25 years |
| Material cost (AUD/sqm) | $120 to $200+ | $80 to $120 | $90 to $150 |
| Slip data (AS 4586) | Confirm per product | Confirm per product | Published P5 on Designer |
| Best for | Buyers wanting a US brand and long warranty | Value, local support, garden and residential decks | Wide local availability |
Trex carries a longer stated warranty, but EVODEK and Ekodeck offer lower prices and easier local supply. For a wider look at the market, see our guide on what is the best composite decking in Australia.
What Do Trex and Other Composite Decking Have in Common?
All capped composite boards, including Trex and EVODEK, share the same core benefits over timber: low maintenance, resistance to rot and insects, and a lifespan of 25 years or more. They are made from a blend of recycled plastic and wood fibres, sealed under a protective cap.
Because the wood fibres are sealed inside plastic, composite boards do not need sanding, oiling, or staining the way timber does. This is the main reason homeowners choose composite regardless of brand. For the full picture, see why composite decking lasts longer than wood.
Why Do Buyers Choose Composite Decking Over Timber?
Low Maintenance Saves Time and Money
Composite decking needs only occasional cleaning, compared to timber, which needs sanding, oiling, or staining every 1 to 3 years. A hose down and an occasional wash with warm soapy water keeps composite looking good. For the correct method, see how to clean composite decking.
Longer Lifespan in Australian Conditions
Capped composite lasts 25 years or more, while softwood timber lasts 10 to 15 years. Modern capped boards resist the UV fading and scratching that affected early composite products. This makes brands like Trex and EVODEK suitable for residential, commercial, and public projects.
Colour and Texture Options
Composite decking comes in a range of colours and wood grain textures without the knots and colour variation of natural timber. EVODEK uses Ultra Grain surface technology for a deeper wood texture. To preview colours, use the EVODEK Colour Selector or order free samples.
What Are the Downsides of Composite Decking?
Composite decking has three main downsides regardless of brand:
- A higher upfront cost than timber
- Surface temperatures that can exceed 60°C in summer sun
- Thermal expansion that needs 5 to 8 mm installation gaps
None are deal breakers, but buyers should plan for them.
Higher upfront cost
Composite decking costs more than timber to buy, though it saves money over 25 years. Timber maintenance can cost AUD $300 to $1,200 or more over the deck’s life, while composite needs only cleaning.
Surface heat in summer
On a 35°C day, dark composite boards can exceed 60°C in direct sun, while light boards stay around 50°C to 55°C. Choosing a lighter colour or adding shade reduces this. See does composite decking gets hot for detailed data.
Expansion and contraction
All composite boards expand and contract with temperature. Correct expansion gaps of 5 to 8 mm at board ends prevent buckling. This is why professional installation or careful DIY matters.
Does Trex Availability in Australia Affect Your Choice?
Trex is imported into Australia through selected stockists, which can add 2 to 6 weeks to lead times and complicate replacement board matching compared to locally supplied brands. EVODEK operates with an Australian office and distributor network, which simplifies sourcing and after-sales support.
For most Australian buyers, a locally supplied composite board offers easier replacement matching and faster support than an imported product. If you value a specific US brand and its warranty terms, Trex remains a valid option. If you prioritise local supply, price, and support, EVODEK or Ekodeck are practical choices. To check local supply, find your nearest Australian distributor.
Conclusion
Trex is a composite decking brand, so comparing Trex to composite decking really means comparing Trex to other composite brands. All capped composite boards share low maintenance, long life, and resistance to rot and insects. The practical differences come down to price, warranty, and Australian availability.
Trex offers a long warranty and US brand recognition at a higher price. EVODEK offers co-extruded boards at 1.3 g/cm³ density, a 25 year warranty, and local Australian support at a lower price point. For most Australian projects, local supply and price make a bigger practical difference than brand name.
FAQ
Is Trex the same as composite decking?
Trex is a brand of composite decking, not a different material. Many buyers search for Trex because it was one of the first composite brands, but EVODEK, Ekodeck, and others make comparable capped composite boards. The material type is the same; the brand, price, and local availability differ.
Does Trex or composite decking rot or attract termites?
Capped composite boards, including Trex and EVODEK, resist rot and termites because the wood fibres are sealed inside plastic with no exposed timber to feed on. The supporting subframe still needs H3 or H4 treated pine for termite protection, regardless of the deck brand.
Is Trex more expensive than other composite decking?
Trex typically costs AUD $120 to $200 or more per square metre for materials, which is higher than locally supplied brands such as EVODEK at AUD $80 to $120 per square metre. The price difference reflects import costs, the added margin on a well known brand, and Trex’s longer warranty. Compare the installed cost, not just the board price.
Can I install composite decking myself?
DIY installation is possible on a simple ground level deck with the right tools and careful expansion gap control. Concealed clip systems need precise spacing. Professional installation is recommended for raised or complex decks and may be required to keep some warranties valid. Always follow the product installation guide.
Which composite decking is best for Australian conditions?
The best composite decking for Australia is a capped, co extruded board with a published slip rating, UV protection, and local supply for easy replacement. EVODEK and Ekodeck offer local Australian support, while Trex offers a longer warranty at a higher price. Match the board to your site’s sun, moisture, and budget needs.
Do composite decking brands offer warranties?
Yes. Trex, EVODEK, Ekodeck, and TimberTech all offer residential warranties covering structural defects, unusual fading, and abnormal staining. Warranty periods range from 25 to 50 years. Damage from incorrect DIY installation may void coverage, so read the warranty terms and installation guide before buying.
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