Keruing Sawn Timber

Keruing

Species:

Dipterocarpus spp.

Density:

690-945 kg/m3

Natural durability:

The timber (depending on the species) is moderately durable to non-durable under exposed conditions in the tropics

Preservative treatment

It is very easily treated with preservatives

Color and texture:

The sapwood is lighter in colour than the heartwood and is invariably with a tinge of grey. The heartwood is red-brown to purple-red and darkens on exposure. The surface of the timber may be rather resinous and sticky when handled. Texture is moderately coarse to coarse but even, with straight to deeply interlocked grain

Strength properties:

The timber falls into Strength Group B or SG 5

Machining properties:

The timber of some species is easy to work, while that of others is moderately easy and some species are classified as slightly difficult. Planing is easy to slightly difficult and the finish is generally smooth

Uses

This timber is suitable for heavy construction, posts, beams, joists, rafters, ship and boat building (keels, keelsons and framework), vehicle bodies (framework, floor boards and planking), container flooring and when treated, suitable for railway sleepers, harbour works, bridges, power-line poles and telegraph poles