Teak wood, scientifically called tectona grandis, is one of the most valued, both by professionals and consumers. It is due to many of its characteristics: beautiful appearance, easy workability, great durability, etc.
This wood is native to Asia, more specifically from countries like India, Laos or Thailand. Nowadays, due to the great demand, it is possible to find farms in Africa and in South and Central America.
The price is usually high. Although farms are more and more numerous, demand has grown in greater proportion, raising their price.
It is common to find other species to which the name teak is added, although they have nothing to do with it. For example, cumaru wood is also known as Brazilian teak. It seems to be more of a marketing issue.
Characteristics of teak wood
Color: The sapwood is light yellow and the heartwood has brown and gold tones. It is a wood that ages very well, as it improves its color.
Fiber: Generally straight. Sometimes wavy.
Density: It has an approximate density of 690 Kg / m3. Semi-heavy wood.
Toughness: 4.2 according to the Monnin test. It is a semi-hard wood.
High durability. Very good resistance to humidity and attack by fungi and insects. It is even possible to leave it outdoors without treatment thanks to its natural oils. It is difficult to find woods that offer similar durability, being so light, they are generally much denser. In this sense, there are important differences between the cultivated teak and the one that grows naturally, the latter being the one with the greatest durability.
Dimensional stability: It is a dimensionally stable wood.
- Dimensional stability coefficient: 0.34%. Teak wood is a little edgy.
- Compressive strength: 570 kg / cmtwo
- Static flexural strength: 1,000 kg / cmtwo
- Modulus of elasticity: 140,000 kg / cmtwo
Impregnation: Slightly impregnable sapwood, heartwood not impregnable.
- Sawed: No problem. It can accelerate tool wear due to its high silica content.
- Drying: Slow, practically without risk of deformations or cracks.
- Brushing: no problem. After being cut or brushed, it smells like leather.
- Bonding: Some problems can be encountered due to their resins or natural oils. In these cases it will be necessary to clean the surface.
- Nailing and screwing: Pre-drilling should be no problem.
- Finish: Nothing but the presence of resins or oils typical of wood.
Teak wood is oily to the touch. It is due to its natural oil, which has interesting characteristics.
Main Uses of Teka
- Manufacture of high quality furniture or joinery.
- Boats. It is in this use that teak stands out from any other wood. Incredible resistance to humidity and insects, and very light.
- Wood veneers.
- Interior and exterior carpentry: floors, friezes, coverings, windows …
- Outdoor furniture. Its natural resistance makes teak wood the best option for the manufacture of outdoor furniture.
- Port infrastructure and bridges. Even with elements in direct contact with water.
- Facade cladding.
- Stair steps.
Teak Wood Oil
Teak is an oily wood with excellent properties, hence the commercial use of the name «teak oil»Sell wood finishes.
What is known as «teak oil“It is not really oil extracted from teak wood, it is usually a combination of natural oils (linseed and / or tung) with industrial compounds.
This is not to say that this type of finish is not effective. It is used to protect wood outside, not just teak wood. This oil adds additional characteristics, such as resistance to sunlight, dyes, a more silky finish, fungicidal action, etc.
The application is periodic, between one to two times a year depending on the level of exposure of the wood. Although this maintenance is more demanding than others in terms of frequency, its application is simpler and the finish is much more natural.