spotted gum TIMBER DECKING in Perth, WA

Spotted Gum is a beautiful Australian timber that known for its strength, durability, and unique colour variations. It is a popular material with designers and architects due to its attractive brown colour tones, which, when coupled with its high durability, make it a perfect decking material.

It is the perfect decking timber for those who want a beautiful outdoor deck that will stand up to the elements. Austim sources only the top grade spotted gum from the eastern states of Australia, most commonly from Queensland.

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Spotted gum stats

  • botanical & other names Corymbia maculata, Lemon Scented Gum

  • origin East Coast of Australia

  • colour dark brown to lighter brown in colour

  • alternatives (similar colour) Jarrah, Merbau, American Black Walnut, Blackbutt

  • grain Spotted gum is a moderately coarse, textured wood. Some timbers have the additional feature of a wavy grain, giving it an attractive fiddleback figure.

  • workability This hardwood machines well due to its natural greasiness. It readily accepts paint, stains, and polish. It has a lower tannin content than most other eucalypts, meaning that it is less likely to stain paintwork or brickwork when water runs over unpainted timber.

  • resistance

    • Termite resistant per AS 3660.1

    • Sapwood susceptible

    • Marine Borer Resistance: 0-20 years

    • Bushfire rating: Bal 29 per AS3959 required applications

    • Fire Properties Group: 3 – Slightly combustible

    • Natural durability: class 1 above ground applications

  • sizing Sawn thickness 25, 38, and 50mm; width generally ranges from 75mm to 300mm in 25mm increments; lengths range from 0.9m to 5.7m

  • certification AFS certification is available in some circumstances

View full stats

features & benefits

  • Hard, heavy, naturally durable timber
  • Machines well
  • Minimal tannin bleed compared to other timber decking materials
  • Resistant to bushfires, termites, marine borers
  • High grade, standard boards
  • Random lengths 0.9m to 5.7m (set length not available)
  • Available in 86x19mm and 135x19mm smooth both faces
  • 950kg/m3

Recent projects

Care & maintenance

Maintenance is crucial for all types of timber decking in order to keep it in pristine condition.

Spotted gum decking is a good choice if you want to minimise the amount of maintenance you need to do; it has minimal tannin bleed, is resistant to termites and bushfire, and is naturally durable. You can minimise environmental impacts and preserve your deck’s appearance by applying a decking stain, varnish, or oil to seal out the elements.

Have questions about maintaining and caring for timber decking? Check out our DIY deck maintenance guide.


Spotted gum decking prices vary depending on the amount required, as well as the length and finish.  Austim sell competitively priced spotted gum decking in Perth. Want to see how much timber decking will cost for your project?

Request our current pricing list now.

WHY CHOOSE AUSTIM spotted gum?

Experience – We have supplied architects, tradesmen, and DIYers with high quality timber since 1985. Our team has a deep knowledge and understanding of all the materials we stock and will apply their experience to make sure your selection and installation goes smoothly.

Pricing – Our timber decking, composite decking, and all timber products are competitively priced. We are committed to helping you find a functional and fashionable decking material to suit your budget. We also offer periodic promotions and sales on selected products.

Quality – At Austim we are committed to providing only the highest quality timber. Our internationally recognised AS/NZS ISO 9001:2015 certification means that everything we stock must meet high standards of quality. Our quality doesn’t stop at our products; our recommended tradespeople are all experienced and trustworthy.


We are located in Landsdale / Wangara, we can deliver anywhere in Perth, WA including the South West, Northern WA, Welshpool, Mandurah, Rockingham, Yanchep, and even further. If you prefer to pick up your timber decking, our premises can comfortably accommodate trucks and trailers.


For 100% customer satisfaction and excellent value for your money, contact our Perth office for a free timber decking quote.


Have you got questions about spotted gum timber decking or any of our other timber decking products in Perth? Get in touch with our knowledgeable, friendly team today.

Call (08) 6558 1266 or

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