decking_timber_jarrah_hardwood img_1639 jarrah-commercial-decking-5


Jarrah is renowned for its rich red colours that deepen over time. The heartwood ranges from deep browns to burgundy hues. Jarrah sapwood exhibits shades from pale yellow to pink-orange. The timber displays a moderately coarse and even textured grain. The occasional incidence of wavy and interlocking grain produces some samples with a sought after fiddle-back figure.

Botanical Name

Eucalyptus marginata

Origin of Timber

Western Australia


BAL 12.5 and 19 – All AS3959 required applications, BAL 29 – Decking (in conjunction with non-combustible wall cladding and enclosed subfloor).



  • Flooring
  • Lining
  • Decking
  • Cladding
  • Furniture
  • Stairs
  • Joinery

Technical Information

 Tangential Shrinkage 7.4%
 Radial Shrinkage  4-5%
 Unit Movement  0.3%
 Density per Standard  800 kg/m3
 Modulus of Rupture  112 MPa
 Modulus of Elasticity  13 GPa
 Maximum Crushing Strength  61 MPa
 Impact  10 joules (J)
 Toughness  Low – up to 15 Nm
 Hardness  8.5 kN


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