Iroko (also known as African Teak)
Milicia excelsa • Exotic/Tropical Hardwood
Grain Pattern
Interlocked grain with a medium to coarse texture; produces a ribbon-like figure when quarter-sawn. Large, open pores are visible on the surface.
Color Description
Heartwood is typically a yellow to golden brown, maturing to a darker brown over time. Sapwood is clearly demarcated and pale yellow. Exhibits a moderate level of natural luster.
Hardness Rating
1,260 lbf (Hard)
Durability Rating
Very Durable; excellent resistance to rot and insect attack, commonly used as a teak substitute for outdoor applications.
Common Uses
Exterior joinery, boat building, flooring, decking, furniture, and cabinetry.
Geographic Origin
Tropical Africa (West and East Africa)
Market Value & Sustainability
Estimated Market Value
$10.00 - $15.00 per board foot
Wood Age Estimate
Recently milled or reclaimed; shows moderate oxidation and superficial surface scratches but no deep patina or structural decay.
Sustainability Status
IUCN Red List: Near Threatened; not currently CITES listed but population is declining due to over-exploitation.
Workability
Generally easy to work, though interlocked grain can cause tearout during planing. Contains calcium carbonate deposits which can dull cutting edges rapidly.
Notable Features
Often referred to as African Teak though unrelated to Tectona grandis. Wood dust can be a potent sensitizer/irritant. Odorless when dry.
Finish Recommendations
Glass/film finishes like polyurethane work well, but teak oil or tung oil are preferred for outdoor use to maintain the golden-brown hue.
Identification Confidence
High; the combination of large vessel pores, distinctive golden-brown color, and stringy grain texture is characteristic of Milicia excelsa.