West & Central Africa
Iroko (FSC certified)
Milicia excelsa
Durability
78EN 350
35 yrs modelled mean service life
Stability
75WI-INTERNAL
Stability rating: High
Fire performance
88EN 13501-1 / EN 1995-1-2
β₀ = 0.5 mm/min · D-s2,d0
Carbon stored
100EN 16449
1065 kg CO₂e/m³ stored
Natural durability
78
Maintenance Profile
Use classes untreated
UC
Typical Use Classes
- 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 WoodIntel 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.