Koninklijke Houthandel G. Wijma & Zonen B.V.
Iroko

Iroko

iroko.jpg
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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

General

  • 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)

 Uses

  • 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

 Durability

  • 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).

 Density

  • (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

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