Iroko
Milicia excelsa · Exotic/Tropical Hardwood
- Type
- Exotic/Tropical Hardwood
- Origin
- Tropical Africa (widely distributed from West to East Africa).
- Hardness
- 1,260 lbf (Hard)
- Durability
- Very Durable; excellent resistance to rot and insect attack, commonly used as a substitute for Teak in marine and outdoor applications.
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Grain Pattern
Interlocked grain with a medium to coarse texture; produces a distinct striped or ribbon figure on quartersawn surfaces and zig-zag parenchymal bands on the end grain.
Color & Appearance
Heartwood is typically a yellow to golden brown, maturing to a darker nut-brown over time with light exposure. Sapwood is clearly demarcated and pale yellow to white. It often exhibits a moderate natural luster.
Hardness (Janka)
1,260 lbf (Hard)
Durability & Decay Resistance
Very Durable; excellent resistance to rot and insect attack, commonly used as a substitute for Teak in marine and outdoor applications.
Value & Sustainability
- Estimated Market Value
- $10.00 - $15.00 per board foot.
- Wood Age Estimate
- Freshly milled blank; the pale yellow hues suggest it has not yet undergone significant UV oxidation or patina development associated with long-term exposure.
- Sustainability Status
- Listed on the IUCN Red List as Near Threatened; not currently CITES listed, but availability of FSC-certified material varies.
Common Uses
Furniture, cabinetry, flooring, boat building, outdoor decking, turning, and architectural veneer.
Geographic Origin
Tropical Africa (widely distributed from West to East Africa).
Workability
Generally works well with both hand and machine tools, though interlocked grain can cause tearout during planing. Contains calcium carbonate deposits which can dull cutting edges rapidly.
Finish Recommendations
Takes stains and finishes well; however, natural oils can occasionally slow the drying of some oil-based finishes. A lacquer or polyurethane surface film is recommended for high-wear areas.
Notable Features
Often referred to as "African Teak" due to its appearance and durability, though it is unrelated. Dust can be a sensitizer causing respiratory or skin irritation.
