Iroko has heartwood that varies from a pale yellowish brown to dark chocolate brown with lighter markings most conspicuous on flat-sawn surfaces. It is sapwood is yellowish white and is clearly demarcated. It is texture is medium to coarse with an interlocked and sometimes irregular grain. It has a slightly greasy feel and is odorless.
Heartwood is usually a yellow to golden or medium brown, with color tending to darken over time. Pale yellow sapwood is clearly demarcated from the heartwood.
Available Thickness: 1" (25mm), 2" (50mm), 3" (80mm).
Generally easy to work, with the exception of its interlocked grain, which may cause some tearout during surfacing operations. Also, deposits of calcium carbonate are sometimes present, which can have a significant dulling effect on cutters. Iroko glues and finishes well.
Heartwood is very durable and is resistant to termite and marine borer attack as well. Sapwood is liable to powder-post beetle attack.