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Decking

Choosing the Best Decking Materials for Your Perth Home

Horizan · 09/10/2026 · 5 min read
A professional timber deck installed in a Perth backyard.

Understanding the Perth Climate for Outdoor Living. Living in Perth means enjoying a Mediterranean climate, characterised by hot, dry summers and mild, wet winters. While this is perfect for outdoor entertaining, it presents unique challenges for timber and composite decking structures. The intense ultraviolet radiation and rapid temperature fluctuations can cause significant wear, leading to warping, splintering, or premature fading if the wrong materials are chosen. Selecting a durable material is the first step in ensuring your deck remains a functional and beautiful feature of your home for years to come. ## Common Decking Materials: Pros and Cons. When planning your deck, you will generally be choosing between natural hardwoods and composite alternatives. Hardwood species such as Jarrah and Merbau are popular choices in Western Australia. Jarrah offers a beautiful, rich red tone and is incredibly durable, making it well-suited to our local environment. Merbau is another excellent option, known for its high natural oil content and resistance to termites and rot. However, natural timber requires consistent maintenance, including regular oiling and sealing, to prevent it from turning grey and losing its structural integrity. Composite decking is an alternative that has surged in popularity for modern Perth homes. Made from a blend of wood fibres and recycled plastics, composite boards are designed to resist fading, staining, and scratching. The primary advantage is the low-maintenance nature of the product; it does not require sanding, staining, or painting. While the initial investment might be higher than some natural timbers, the long-term savings on maintenance products and labour make it a compelling choice for busy homeowners. ## Factors to Consider Before Installation. Before finalising your material choice, consider how the deck will be used and where it will be positioned. - Direct Sunlight: North-facing decks receive intense sun throughout the day. In these areas, lighter-coloured materials or high-quality composite boards with heat-resistant properties are recommended to prevent the surface from becoming uncomfortably hot underfoot. - Proximity to Pools: If you are building a pool deck, moisture resistance and slip resistance are paramount. Ensure the chosen material is treated for damp environments and offers a textured finish to prevent accidents when wet. - Maintenance Capability: Be honest about how much time you want to spend maintaining your deck. If you enjoy the hands-on process of oiling timber, hardwood is a rewarding choice. If you prefer a 'set and forget' approach, composite is the clear winner. ## Maximising Longevity. Regardless of the material you choose, the lifespan of your deck depends heavily on the quality of the installation and the sub-frame structure. Proper ventilation is essential to prevent moisture buildup beneath the boards, which can lead to rot in timber joists. Using corrosion-resistant fixings is also vital, particularly in coastal suburbs where salt air can accelerate the rusting process. Engaging a professional contractor ensures that the sub-frame is properly levelled, ventilated, and structurally sound before the decking boards are laid. A well-constructed deck not only adds value to your property but also extends your living area significantly. ## Ready to Build Your Dream Deck? At Horizan, we specialise in creating high-quality outdoor living spaces tailored to the unique requirements of Perth homes. From selecting the perfect material to expert installation, we handle every detail to ensure your project is built to last. If you are ready to upgrade your outdoor area, contact our team today for a consultation or quote. Call us on 0406 806 100 to discuss your vision.

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