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Building a new deck for summer?

posted: 21/Sep/2015

If you're building a new deck ready for summer make sure you areusing the right timber for the right job

Rod McInnes, CEO of peak industry body Timber Queensland said there are increasing instances of timber decks, generally expected to have a life expectancy of decades, failing prematurely.

“TQ was surprised to receive these reports and in most instances our investigations point to a simple, yet unfortunate answer: dodgy decking timber being sold by some dodgy dealers,” said Rod McInnes.

“The timber sold to consumers isn’t what it was supposed to be, it’s been “passed off” as a highly durable specie when it’s not,” he said.

“In other cases the timber purchased for the job is just not as durable as has been traditionally used for decks and is now required by Building Regulations.”

Timber Queensland says that builders and owner-builders alike need to check and be sure the timber they buy is true to label and fit for purpose to avoid premature failure.

“People can use the publication Construction Timbers in Queensland (CTIQ), which can be downloaded for free from, to find out for themselves the appropriate timber species to be used for specific structural purposes,” said Rod McInnes.

“Alternatively they can use the postcode serach tool at for a list of reputable timber merchants who are guaranteed to sell true to label, and fit for deck timber,” he said.

Timber Queensland advises that naturally durable Queensland hardwood decking timbers will deliver the best performance.

queensland timber species deck decking

“It might cost a little more initially but will last much longer and look better longer than cheaper, dodgier alternatives.”

If in doubt, stick to known performers such as high durability Queensland spotted gum and ironbark or imported kwila/merbau.”

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The Accredited Queensland Timber Merchant Network (AQTMN) is a group of Queensland owned and operated businesses with the aim of growing Queensland's forest and timber industry.

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