Blackbutt is a coarse-textured, strain-grained timber typical of the harsh Australian coastal climate in which it thrives. It’s hard and tough but relatively easily worked – qualities that have made it a popular choice for decking. Blackbutt is honey blonde coloured and its sapwood is resistant to borers.

Heartwood pale brown, but northern material may sometimes display a pinkish tinge. Sapwood distinctively paler.

Texture medium and even. Grain usually straight. Gum veins common.

Botanical Name

Eucalyptus pilularis

Origin of Timber



Bushfire Attack Level 12.5, 19 & 29

All AS 3959 Required Applications


  • Doors
  • Boating
  • Cabinet door
  • Decking and cladding
  • Flooring and staircase
  • Furniture
  • Joinery

Technical Information

 Name number
 Tangential Shrinkage  7.3%
 Radial Shrinkage  4-5%
 Unit Movement  0.37%
 Density per Standard  900 kg/m3
 Modulus of Rupture  144 MPa
 Modulus of Elasticity  19 GPa
 Maximum Crushing Strength  77 MPa
 Impact  22 joules (J)
 Toughness  Medium 15 -25 Nm
 Hardness  9.1 kN


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