Iroko is a tropical wood known for its strength and durability, and also for its interesting grain and color. It is a very versatile raw material that can be used in several areas, highlighting its use as a floor or platform.
Most of the production of iroko is obtained from a tree known as’exalted militia«. In addition, there is another spice called «royal militia»Whose wood is also known as iroko, although it is a little more dense and of better quality.
Tue characteristics similar to those of teak wood, so it is known as African Teak. However, it is slightly lighter and less greasy.
Iroko is native to Central and East Africa, from countries like Cameroon, Ivory Coast, Ethiopia, Kenya, Nigeria and many others. Unfortunately, these are areas where the laws were not respected and where uncontrolled logging took place. This made it classified as a vulnerable or at risk species.
Therefore, if we are going to purchase iroko floors or any other element made with this wood, we must request the respective environmental certificates to find out if its origin is legal.
Iroko wood characteristics
Color: The color of the Iroko varies from light yellow in the sapwood to brown tones in the heart. It changes color quickly when exposed to the sun. It is usually applied teak oil to preserve it and stabilize the color. When sawing, the color differences are very striking, although later they become quite the same.
Grain: Between thick and medium.
Fiber: Straight, sometimes slightly interlaced.
Density: Semi-heavy: 640-660 kg / m3 at 12% humidity.
Toughness: It is a semi-hardwood with 3.9 in the Monnin test.
Durability: Resistant to fungi attack and insects. It is a very resistant wood.
Dimensional stability: It is a very stable wood after drying, with little tendency to bend.
- Volumetric contraction coefficient: 0.36 slightly edgy wood.
- Compressive strength: 540 kg / cmtwo
- Static flexural strength: 955 kg / cmtwo
- Modulus of elasticity: 105,000 kg / cmtwo
Impregnation: Impregnable sapwood, heartwood not impregnable.
Workability: Usually easy to work. With some problem when it has interlaced fiber.
- Sawn. No difficulties.
- Drying. Slow, with small risks of cracks and deformations.
- Brushed. No problem, except when it has interlaced fiber.
- Glued. No problem, except with casein glues.
- Nailed and screwed. Smoothly
- Finish. Repels stains, varnishes and paints that dry by oxidation.
It can cause allergic reactions.
Price: The price of iroko wood is not low. It is largely due to scarcity caused by uncontrolled farms. Although on the other hand there are other tropical woods that are even more expensive.
Uses or applications
- Furniture and joinery.
- Outdoor furniture.
- Decorative wood veneers.
- Interior and exterior carpentry: doors, windows, coverings …
- Ship building.
- Carvings and sculptures placed outdoors.
Among the applications or uses of iroko wood, pallet manufacturing stands out. They offer a contrast of natural and very elegant tones.
To this pleasant appearance, some characteristics must be added that make iroko an ideal choice: hardness, durability and stability.
The good behavior of this wood makes the iroko deck can be used in all areas, including exteriors, bathrooms and kitchens.