Sipo

Grain interlocked and sometimes irregular, medium to coarse texture. Heartwood usually yellow to golden or medium brown, tending to darken over time. Pale yellow sapwood. Highly rot and insect resistant. Easy to work unless interlocked grain, which may cause some tear out during surfacing. Can also cause dulling for cutter. Glues and finishes well. CAUTION: Iroko dust is a known irritant and respirators are recommended while working with this material.

Generally straight grain, some have curly grain patterns, Heartwood is light pinkish brown when cut, then darkens with time and exposure to light. Sapwood is pale yellowish color. Common for most to have some sapwood along the outer edges. Durable and resistant to rot, however not generally used in exterior applications. Machines well. Some issues when staining.

Grain is usually straight, but can be irregular. Has a medium texture. Heartwood can range from a lighter pale brown to a dark chocolate brown with darker brown streaks. Color can sometimes have a grey, purple, or reddish cast. Sapwood is pale yellow-gray to nearly white. Typically easy to work provided the grain is straight and regular.