Grey Box 

queensland forest map grey box queensland timber species

Find out more about Grey Box

The botanical name for Grey Box is Eucalyptus woollsiani/Eucalyptus moluccana. It is commonly called Grey Box or Coastal Grey Box as it is grown in southern coastal Queensland. Grey Box is a hardwood species sourced from native forests.

grey box native timber colour hardwood species

What does Grey Box look like?

Grey Box is a pale yellowish brown timber with an even lighter sapwood. Veins are rarely present in its fine, even texture and interlocked grain.


What is Grey Box used for?

Common applications for Grey Box include:

  • In-ground framing
  • Decking
  • Flooring - especially in high traffic areas due to its appearance
  • Cladding
  • Heavy construction (wharfs & bridges)
  • Sleepers and poles
timber merchant brisbane grey box queensland timber species

Where can I purchase Grey Box?

Grey Box is mainly available in the areas in which it grows for flooring and construction purposes. Search for your local supplier via the Accredited Queensland Timber Merchant postcode search tool to check availability.


Where can I find more information about the use and application of Grey Box?

For more detailed information than the Grey Box property table below, visit WoodSolutions or download 'Construction timbers in Queensland' which describes the properties of timbers used in the construction of Class 1 to Class 10 buildings (e.g. houses, carports, garages, greenhouses and sheds) in Queensland, as well as other purposes such as furniture, landscaping and outdoor structures (e.g. playgrounds, fences).

greybox native hardwood inground framing flooring decking
By Mark Marathon (Own work) [CC BY-SA 3.0 (], via Wikimedia Commons

What are the properties of Grey Box?

Termite resistance

Termite resistant


This is the measure of the percentage reduction from the unseasoned to 12% moisture content condition.



Mass divided by volume, expressed in kg/m3 when describing timber

Very High Density


High Toughness

Bushfire resistance

Not bushfire resistant


The strength of Australian timber is described in terms of "stress grades". Stress Grading is a way of classifying timber, either visually or by mechanical means to indicate the basic properties to be used for structural design purposes. The stress grade is designated in a form such as "F17", which indicates the relative bending capacity of timber.

F17 – F27

About Us

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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