hardwood · Milicia excelsa

Iroko wood properties

Also known as: african teak.

Type hardwood
Botanical name Milicia excelsa
Modulus of elasticity (MOE) 1,580,000 psi
Specific gravity 0.66
Density (approx) 41 lb/ft³ (3.4 lb per board foot)
Janka hardness 1,190 lbf
Shrinkage (tangential / radial) 4.8% / 3.3%
Region Tropical Africa

A 1 in x 6 in x 8 ft board of Iroko weighs about 13.7 lb (roughly 41 lb per cubic foot). Its Janka hardness of 1,190 lbf is harder than about 55% of the woods in our database.

Uses and working notes

Common uses: boatbuilding, flooring, furniture, cabinetry, veneer, turning.

Durability: Very durable; fends off insects and rot alike.

Workability: Generally cooperative; interlocked grain may tear; finishes and glues well.

Use this data

Similar woods

Woods with comparable hardness and density to Iroko:

How these numbers were sourced

MOE, SG (12% MC), Janka and shrinkage from The Wood Database (cites USDA FPL Wood Handbook). CT/CR omitted: iroko is not listed in the FPL/Hoadley dimensional change coefficient table. Uses, region, durability and workability summarized from The Wood Database. Price indicative.

Values shown as estimates rather than sourced constants: typicalPricePerBF_usd.

Sources

These calculators are for planning and estimation. Engineering results (shelf sag, wood movement) use published average material properties; real boards vary by grade, grain, moisture and defects. Verify load-bearing designs with a professional.