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Okan wood

Okan is a tropical hardwood species primarily found in West Africa, particularly in countries such as Ghana, and Cameroon. Okan wood is known for its colour variation ranging from gold to dark brown. Its aesthetic appeal is enhanced by visible growth rings. 

Okan wood

Okan lumber is supplied as sawn timber and can be re-sawn and machined for specific applications if desired. Do you want to know more about this wood species and its advantages? Read on or contact us to see if this wood species suits your intended application.

Applications of Okan wood

While Okan presents some challenges in terms of workability due to its density and variable grain, its outstanding durability and aesthetic qualities make it a good choice for projects requiring long-lasting, high-performance timber, such as:

  • Dragline Mats and Crane Mats
  • Piers
  • Street Furniture
  • Decking
  • Horsebox timbers

Classified as very durable and belonging to the D50 strength class, Okan's heartwood boasts high resistance to decay, termites, and marine borers, making it exceptionally suitable for marine and brackish water environments.

Characteristics of Okan wood

Name

Okan, scientific name: Cylicodiscus gabunensis

Alternative names

Adoum, Denya, Bouemon

Appearance

The heartwood ranges from golden to dark brown, contrasting with lighter sapwood.

Quality requirements

Okan meets various quality standards for structural applications and is listed in NEN 5493 'Quality requirements for hardwood in civil engineering works and other structural applications'.

Strength class

Okan is classified as a D40 (NEN-EN1912) when graded according to NEN 5493

Density

Fresh 1000-1200 kg/m3

Durability classes
  • Table 1 (Funghi): 1-2
  • Table 2 (Wood boring beetles): D
  • Table 3 (Termites): D
  • Table 4 (marine organisms): D

According to NEN-EN 350:2016

Detailed Technical Properties

Alternative timber species

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Okan lumber: Durable and versatile

Okan lumber is renowned for its exceptional durability and longevity. It is highly resistant to weather conditions, fungi, and insects, making it an excellent choice for outdoor applications such as bridges, Dragline Mats and street furniture. Additionally, Okan is an environmentally friendly option, as we source from sustainably managed forests with a majority being 100% FSC certified.
Wijma-2021.05.18-7883

Customized advice from Hupkes Wijma

If you would like to know more details about the technical properties and available specifications of Okan timber for your project, please contact us today and we would be pleased to help.