NIANGON

Niangon is an exotic wood species native to Gabon and Equatorial Guinea. It is a reddish-brown to purplish-red wood, used mainly for interior joinery but also for exterior joinery if properly treated.

Read the Tropix sheet (CIRAD). 

NIANGON
Botanical name(s) :

Tarrietia densiflora, Tarrietia utilis

Family: MALVACEAE (angiosperme)

Commercial restriction : no commercial restriction

Niangon is a tropical tree measuring about 30 m in height and 70 cm in diameter. The base of the trunk has small buttresses, and the bark is clearly longitudinally cracked.

Where to buy niangon timber?

niangon TIMBER USES

The tropical timber niangon is mainly used in interior joinery and cabinet making. Properly treated, it is quite versatile: it can be used for exterior joineryshipbuilding and light frameworks.

It can be used for the following purposes:

Structures and panels

  • Lightweight structures
  • Plywood, inside face and outside face
  • Sliced veneer

Exterior joinery (building facade)

  • Cladding and outer coating
  • Windows and doors
  • Screen walls and solar shading
  • Shutters and closures

Carpentry and interior fittings

  • Wooden floors
  • Interior staircases
  • Doors and door frames
  • Moulding
  • Interior panelling and cladding
  • Layout and furnishings
  • Furniture and cabinetmaking

Shipbuilding

  • Boat decks and planking

DISTRIBUTION AREA OF niangon

The tropical species niangon is found in Gabon and Equatorial Guinea.

ECOLOGY and Biology of niangon

The tropical species niangon grows in the evergreen forests of central Gabon. Its seeds are dispersed by the wind from September to October.

DESCRIPTION OF niangon TIMBER

  • Color: red brown
  • Sapwood: clearly demarcated
  • Texture: medium
  • Grain: interlocked
  • Interlocked grain: slight

niangon: PHYSICAL AND MECHANICAL PROPERTIES

Read the Tropix sheet of niangon (CIRAD). 

niangon: NATURAL DURABILITY AND TREATABILITY

  • Funghi: class 3 - moderately durable
  • Dry wood borers: durable - sapwood demarcated (risk limited to sapwood)
  • Termites : class M - moderately durable
  • Treatability: class 4 - not permeable
  • Use class ensured by natural durability: class 2 - inside or under cover (dampness possible)
  • Species covering the use class 5: No

Read the Tropix sheet of niangon (CIRAD). 

PROCESSING OF niangon TIMBER

Read the Tropix sheet of niangon (CIRAD). 

 

Sources :

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

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