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West & Central Africa

Iroko (FSC certified)

Milicia excelsa

Iroko (FSC certified)
Density
660 kg/m³
Bending strength
105 N/mm²
Stability
High
Carbon stored
1.05 t CO₂e/m³
Durability
DC 1–2 (very durable)
Service life
50–70 yrs façade
Fire performance
Euroclass D-s2,d0 · charring 0.50 mm/min
Cost index
145

The figures above are Wood Intelligence editorial estimates for orientation only. Where a standards-referenced record exists for this species, it is shown below with full provenance.

Standards-referenced record

Iroko (FSC certified), as the standards define it

Each value below carries its derivation and the standard it comes from. Tap a marker to open the provenance.

Density at 12 % MC
660kg/m³
Natural durability
DC 1
Use classes untreated
UC 1–4 untreated
Reaction to fire
D-s2,d0
Design charring rate
0.5mm/min
Biogenic carbon stored
1065kg CO₂e/m³
ProvenancemeaMeasuredpubPublishedderDerivedestModel estimate

Colour ageing

Yellow-brown → deep bronze then silver in 2–4 years

Typical applications

  • Façade
  • Decking
  • Marine
  • Exterior joinery

AI recommendation

Only specify with verified FSC or equivalent chain of custody and a declared transport distance — the carbon and governance cost is the deciding factor, not the durability. Calcium carbonate deposits blunt tooling.