ALEP

The tropical species alep grows in the dense rainforests of Central Africa. It is an exotic yellow-brown timber, very durable. The durability and strength of alep make it suitable for uses requiring strength and resistance. It is used in heavy work, as well as in exterior joinery. Alep naturally covers the use classe 5 (end-uses in marine environment or brackish water) du to its high specific gravity and its hardness.

ALEP
Botanical name(s) :

Desbordesia insignis

Family: IRVINGIACEAE (angiosperme)

Commercial restrictions: no commercial restriction

Alep is a large tree of the tropical forests of Central Africa, which can reach 50 m in height and 1.5 m in diameter. The bole is straight, with large buttresses at the base. The foliage is in ball, and the edge is yellowish to orange.

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alep TIMBER USES

The exotic species alep is very durable. It is a choice material for exterior joinery and heavy work.

The main uses for the exotic timber alep are as follows:

Outdoor equipment - Recreation

  • Exterior staircases and guard railing
  • Single-level terraces and pool areas
  • Elevated terraces, balconies and corridors

Industrial usage and heavy work

  • Structures and bridges in contact with soil or freshwater
  • Acoustic barriers in urban areas along railroads and highways
  • Sleepers and dunnage
  • Industrial floors and heavy framework
  • Vehicle, wagon and container bottom (or floor)

Where to buy alep timber?

DISTRIBUTION AREA OF alep

The tropical essence alep is found in Central Africa (Cameroon, Equatorial Guinea, Gabon, Congo) and in Nigeria in West Africa.

ECOLOGY and Biology of alep

The exotic species alep grows in dense humid evergreen and semi-deciduous forests. The fruits are dispersed by the wind (anemochory) from December to February.

DESCRIPTION OF alep TIMBER

  • Color: yellow brown
  • Sapwood: clearly demarcated
  • Texture: fine
  • Grain: straight
  • Interlocked grain: absent

alep: PHYSICAL AND MECHANICAL PROPERTIES

Read the the Tropix sheet (CIRAD).

alep: NATURAL DURABILITY AND TREATABILITY

  • Fungi: class 1 - very durable
  • Dry wood borers: durable - sapwood demarcated (risk limited to sapwood)
  • Termites : class D - durable
  • Treatability: class 3 - poorly permeable
  • Use class ensured by natural durability: 4 - in ground or fresh water contact
  • Species covering the use class 5: Yes

Read the the Tropix sheet (CIRAD).

PROCESSING OF alep TIMBER

Read the the Tropix sheet (CIRAD).

 

Sources :

  • CIRAD
  • ATIBT
  • Q. Meunier, C. Moumbogou, J.-L. Doucet, 2015, Les arbres utiles du Gabon

Copyright: Q. Meunier, C. Moumbogou, J.-L. Doucet, 2015, Les arbres utiles du Gabon

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