{"id":1756,"date":"2026-09-15T18:41:01","date_gmt":"2026-09-15T17:41:01","guid":{"rendered":"https:\/\/deckanddesign.com\/ext\/?p=1756"},"modified":"2026-09-15T19:11:29","modified_gmt":"2026-09-15T18:11:29","slug":"types-of-composite-decking-whats-the-difference","status":"publish","type":"post","link":"https:\/\/deckanddesign.com\/ext\/types-of-composite-decking-whats-the-difference\/","title":{"rendered":"Types of Composite Decking: What\u2019s the Difference?"},"content":{"rendered":"

The Big Conversation Right Now: “Not All Composite Decking Is the Same\u201d<\/h2>\n

Published on 15th September, 2026.<\/strong><\/p>\n

There are so many different types of composite decking boards available today that it can be genuinely confusing for a first-time buyer.<\/p>\n

And if you\u2019re buying a product you know very little about, it\u2019s easy to rely on what a salesperson tells you. Sales reps are there to sell their product, and they can be very convincing. Without knowing what you\u2019re actually comparing, it\u2019s easy to assume that all composite decking is basically the same.<\/p>\n

It isn\u2019t.<\/strong><\/p>\n

My aim here is to simplify things and give you a better understanding of the different types of composite decking available \u2014 and what your money is actually buying.<\/p>\n

I also think the industry would benefit from clearer, more realistic standards for quality and performance. It would help consumers understand why one board may fade or scratch while another performs much better.<\/p>\n

For example, some boards are hollow, some are scalloped, some are completely solid, and some have protective capped surfaces or heat-mitigating technology.<\/p>\n

So let\u2019s break it down.<\/p>\n

\ud83e\uddf1 1. Core Structure<\/h2>\n

Hollow Composite Boards<\/h3>\n

These boards have internal square or circular channels running through them.<\/p>\n

The advantage is that they use less material, making them lighter and generally cheaper to manufacture, transport and handle.<\/p>\n

They are commonly imported from China.<\/p>\n

Scalloped Boards<\/h3>\n

These are essentially solid boards that have sections removed from the underside.<\/p>\n

This reduces the amount of material used while retaining more strength than a traditional hollow board.<\/p>\n

Solid Boards<\/h3>\n

These have a completely solid core.<\/p>\n

They generally offer the highest level of strength, stability and heavy-load performance compared with hollow boards.<\/p>\n

\ud83d\udee1\ufe0f 2. Capping Types<\/h2>\n

Another major difference is whether the board is capped or uncapped<\/strong>.<\/p>\n

Uncapped Composite<\/h3>\n

The surface is essentially the exposed wood-plastic composite itself, often finished with a 3D-printed woodgrain pattern.<\/p>\n

Because there is no separate protective outer shell, these boards generally have less resistance to UV fading, scratching and staining.<\/p>\n

Capped Composite<\/h3>\n

A capped board has an additional polymer layer bonded around the board.<\/p>\n

Think of it like a raincoat for the decking<\/strong>.<\/p>\n

The protective layer is designed to improve resistance to:<\/p>\n

    \n
  • \u2600\ufe0f UV fading<\/li>\n
  • \ud83d\udd90\ufe0f Scratching<\/li>\n
  • \ud83d\udca7 Moisture<\/li>\n
  • \ud83e\udd64 Staining<\/li>\n
  • \ud83c\udf3f Everyday dirt and marks<\/li>\n<\/ul>\n

    \ud83d\udd04 Putting the Two Together<\/h2>\n

    Once you understand the core and the surface, you can start to see why composite boards vary so much in price.<\/p>\n

    You can have:<\/p>\n

    Hollow + Uncapped<\/h3>\n

    Generally one of the cheapest options.<\/p>\n

    These boards are lightweight and economical, but tend to have lower resistance to fading and scratching. They may also require closer support because of their lighter construction.<\/p>\n

    Solid + Uncapped<\/h3>\n

    Much stronger than a hollow board, but the exposed surface can still be vulnerable to fading and scratching.<\/p>\n

    Hollow + Capped<\/h3>\n

    A lighter alternative to a solid capped board.<\/p>\n

    The protective outer shell gives better resistance to UV, staining and scratching, but the hollow construction means it doesn\u2019t offer the same strength as a solid board.<\/p>\n

    Scalloped + Capped<\/h3>\n

    This is an interesting middle ground.<\/p>\n

    For example, Trex Basics and Naturals<\/strong> use a scalloped construction to reduce the amount of material in the board while retaining a protective capped surface.<\/p>\n

    That means you get many of the benefits of a capped board without paying for a completely solid core.<\/p>\n

    Solid + Capped<\/h3>\n

    This is where you start getting into the premium end of composite decking.<\/p>\n

    A solid capped board is manufactured with a protective outer layer fused to the core, commonly through a process called co-extrusion<\/strong>.<\/p>\n

    The cap provides protection against moisture, staining, UV fading and scratching, while the solid core provides maximum strength and stability.<\/p>\n

    \ud83d\udd25 Premium Examples<\/h2>\n

    There are several different levels within the premium market.<\/p>\n

    Trex Transcend<\/h3>\n

    25-year warranty.<\/p>\n

    Trex Transcend Lineage<\/h3>\n

    50-year warranty and heat-mitigating technology. Trex describes this as its coolest decking yet.<\/p>\n

    Trex Signature<\/h3>\n

    50-year warranty with a photorealistic woodgrain finish and a more design-focused appearance.<\/p>\n

    TimberTech by AZEK \u2013 Landmark \/ Advanced PVC ranges<\/h3>\n

    Premium capped decking options with long-term warranties.<\/p>\n

    \ud83e\uddea PVC Decking<\/h2>\n

    Then there is another category altogether: PVC decking<\/strong>.<\/p>\n

    For example, Elements from Composite Prime<\/strong> is a 100% synthetic material containing no wood fibres.<\/p>\n

    Because there are no wood fibres, PVC decking is completely resistant to wood rot.<\/p>\n

    It is also very lightweight compared with many wood-composite boards and offers excellent resistance to moisture and staining.<\/p>\n

    PVC can still get hot in direct sunlight, but it tends to release heat more quickly than traditional wood-composite decking, which can retain heat for longer.<\/p>\n

    Some PVC products are also marketed as being significantly cooler than traditional wood-composite decking under direct sunlight, depending on the product and conditions.<\/p>\n

    \ud83e\udea8 Mineral-Based Decking<\/h2>\n

    Then we have something quite different again: Millboard<\/strong>.<\/p>\n

    Millboard is a wood-free mineral composite made using a polyurethane resin core, crushed mineral stone and glass-fibre reinforcement.<\/p>\n

    It has a flexible, rubber-like coating called Lastane<\/strong>, which is designed to provide resistance to slipping, staining and UV fading.<\/p>\n

    One of the things that makes Millboard different is the manufacturing process.<\/p>\n

    The boards are hand-moulded using real oak timber to reproduce the appearance and texture of natural wood.<\/p>\n

    So rather than trying to make plastic look like wood, the product is designed to capture the texture and character of real timber.<\/p>\n

    \ud83d\udcb7 So What Does Your Money Actually Buy?<\/h2>\n

    This is where things get interesting.<\/p>\n

    There can be a huge difference in price between composite decking boards<\/strong>.<\/p>\n

    Here are some examples of products across different price brackets.<\/p>\n

    \u00a320\u2013\u00a340 Per Board<\/h3>\n

    Cladco Signature<\/strong>
    \n2.4m \u2014 approximately \u00a314.57 per board
    \nUncapped, hollow.<\/p>\n

    EnviroBuild Explorer<\/strong>
    \n4m \u2014 approximately \u00a329.99 per board
    \nUncapped, hollow.<\/p>\n

    Dino Decking<\/strong>
    \n4m \u2014 approximately \u00a324.99 per board
    \nUncapped.<\/p>\n

    Trex Enhanced Basics<\/strong>
    \n3.6m \u2014 approximately \u00a337.79 per board
    \nScalloped, capped.<\/p>\n

    Cladco Signature<\/strong>
    \n4m \u2014 approximately \u00a335.26 per board
    \nSolid, uncapped.<\/p>\n

    \u00a340\u2013\u00a360 Per Board<\/h3>\n

    EnviroBuild Frontier<\/strong>
    \n4m \u2014 approximately \u00a341.99 per board
    \nSolid, capped.<\/p>\n

    Trex Enhanced Naturals<\/strong>
    \n3.6m \u2014 approximately \u00a349 per board
    \nScalloped, capped.<\/p>\n

    Ecoscape Forms<\/strong>
    \n4.8m \u2014 from approximately \u00a353.21 per board
    \nHollow, capped.<\/p>\n

    \u00a360\u2013\u00a380 Per Board<\/h3>\n

    TimberTech Broadwalk<\/strong>
    \n4.8m \u2014 approximately \u00a368 per board
    \nScalloped, fully capped.<\/p>\n

    Trex Transcend<\/strong>
    \n3.6m \u2014 approximately \u00a366\u2013\u00a375 per board
    \nSolid, capped.<\/p>\n

    \u00a380+ Per Board<\/h3>\n

    Millboard<\/strong>
    \n3.6m \u00d7 176mm \u2014 approximately \u00a3104.64 per board.<\/p>\n

    Trex Signature<\/strong>
    \n3.6m \u2014 approximately \u00a3131.77 per board.<\/p>\n

    Elements from Composite Prime<\/strong>
    \n4.88m \u2014 approximately \u00a3107.70 per board.<\/p>\n

    Millboard Weathered Oak<\/strong>
    \n3.6m \u00d7 200mm \u2014 approximately \u00a3117.20 per board.<\/p>\n

    \ud83e\udd14 So, What\u2019s the Point?<\/h2>\n

    A composite decking board can cost roughly \u00a320 to well over \u00a3130 per length<\/strong>, depending on the brand, length, construction, materials, finish and technology used.<\/p>\n

    And that\u2019s before we even start talking about installation, subframes, fixings, labour and the different warranties available<\/strong>.<\/p>\n

    So when someone says:<\/p>\n

    \u201cComposite decking is composite decking.\u201d<\/strong><\/p>\n

    It really isn\u2019t.<\/p>\n

    You can have a lightweight hollow board with an exposed surface, or you can have a heavy-duty solid board with a protective polymer cap, advanced heat technology and a 50-year warranty.<\/p>\n

    They may both be called \u201ccomposite decking\u201d<\/strong>, but they\u2019re very different products.<\/p>\n

    And that\u2019s the important thing for anyone buying a deck to understand:<\/p>\n

    Don\u2019t just compare the price of the boards. Compare what you\u2019re actually getting for your money.<\/strong><\/p>\n

    That\u2019s ultimately what I want to help people understand.<\/p>\n","protected":false},"excerpt":{"rendered":"

    The Big Conversation Right Now: “Not All Composite Decking Is the Same\u201d Published on 15th September, 2026. There are so many different types of composite decking boards available today that it can be genuinely confusing for a first-time buyer. And if you\u2019re buying a product you know very little about, it\u2019s easy to rely on […]<\/p>\n","protected":false},"author":1,"featured_media":1372,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[31],"tags":[81,35,86,80,82,10,84,83,85,50],"class_list":["post-1756","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-insights","tag-capped-composite-decking","tag-composite-decking","tag-composite-prime","tag-decking-boards","tag-hollow-composite-decking","tag-millboard","tag-pvc-decking","tag-solid-composite-decking","tag-timbertech","tag-trex-decking"],"acf":[],"yoast_head":"\nTypes of Composite Decking: What\u2019s the Difference?<\/title>\n<meta name=\"description\" content=\"Understand the different types of composite decking, including hollow, scalloped, solid, capped, uncapped, PVC and mineral-based boards.\" \/>\n<meta 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