Koninklijke Houthandel G. Wijma & Zonen B.V.


Download PDF document

Freshly cut, Iroko heartwood has a buttery yellow to brown-yellow colour, sometimes with dark brown patches, discolouring to golden brown to dark brown. The light coloured sapwood is 50 to 100 mm thick and distinct from the heartwood.

Properties of this timber species


  • Botanical name: Milicia excelsa / Milicia regia
  • ATIBT name: Iroko
  • Other names: Odum, Kambala

 Quality requirements

  • For Iroko, a Dutch standard appeared in 1989 in the series Quality Requirements for Timber (KVH 1980); NEN 5482 'Houtsoort Iroko'. Iroko is included in the list of approved timber species for application in wooden façade elements (SKH-Publication 99-05). This means that frames with a KOMO® product certificate can be manufactured with Iroko

 Strength class

  • Iroko quality class HS/BS 5756 is classed in Strength Class D40 (NEN-EN 338)


  • Thanks to its strength, durability and stability it can be used for a diversity of purposes, both indoors and outdoors. For example, door and window frames, outdoor panelling, parquet floors, indoor panelling, stairs, stair treads, furniture, coachbuilding, turned goods and sculpturing


  • Resistance to fungi: class 1-2 (very durable - durable)
  • Resistance to insects: Termites class D (sapwood and heartwood very durable), Lyctus (wood-boring beetles) class G (sapwood susceptible to damage).


  • (470)-630-650-670-(850) kg/m3 at 12% moisture content
  • Fresh 950-1200 kg/m3. The variation in weight as well as hardness can be quite big depending on the region of growth.

source: Houtvademecum © 2010 Centrum Hout Almere, 10e herziene druk

sawn timber
Need more information? Click here

Call us

+31 (0) 38 331 6444

Or send us an e-mail

The stamp of approval for good forestry Wijma & fsc

Timber that is stamped with the FSC® logo has been sourced from sustainably managed forests. This means that forest management meets the key requirements in terms of social, environmental and economic aspects. Ask for FSC-certified products.

Read more