Diameters commonly 16 to 24 in., often to 36 in. Some species are buttressed or stilt-rooted. Forest Products Laboratory toughness average for green and dry material is 213 in.-lb. Warping and checking are generally rated as slight. Data on kiln schedules not available.
Smooth surfaces are obtainable if tools are kept sharp.
Specially hardened cutters are suggested. Varies with species, generally considered to have low to moderately low resistance to attack by decay fungi. Sapwood is reported to have good absorption and penetration. 282-3Logs are delivered to a sawmill in southern Nigeria. Export of logs fro this region, as well as from most other tropical areas, is being restricted.