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Cumarú Decking

Considered a wood immune to biological attack, high strength, durability and stability, the Cumaru or Choiba currently represents a versatile tool that is used to commercial and residential in these times.
It is mainly highlight before a descriptive very attractive relative to this type of wood, the Cumaru or well known as Choiba, its geographic location, ranging from Nicaragua and Costa Rica to Panama; in South America it can be found in the vast Amazon basin; While in Colombia, is a native in the region of Uraba in the North-West of the country. Due to its location, the Cumaru is considered a tropical or exotic wood that grow in rainforests and wet to very wet. As a tree, it is considered large since it attains a maximum height in adulthood up to of 50 meters. Its physical characteristics are silvery-gray in its trunk, whose diameter is 1.5 metres, its flora is violet, gives edible fruits of a seed, and its leaves are perennial green.
This gift of nature, offers a wood whose characteristics create an appropriate atmosphere for its implementation in exteriors and interiors. Like wood, highlights a yellow color in the surface area of the same, while more internal and hard part, it offers a tone between Brown and dark brown. It is not characterized by strong odors. The Cumaru, it is considered a very durability wood, over time so it is optimal when it comes to implementation in the open air, achieving a range of more than 15 years of useful life to being exposed to the weather, which in turn is resistant to attack by fungi and insects.
Currently, its implementation to residential or commercial level, either indoors or outdoors, does not require a minimum of maintenance to deliver optimum results of durability and stability with over the years.

What is your color, odor and grain?

Although it sounds common to use the term color wood, to generalize, the reality is that each type of this valuable material provided to us by nature counts with colour, smells and different grains, which makes unique, ideal materials for different purposes. The Cumaru features a Variant color reddish brown and light brown, was observed between both a large and abrupt contrast of color. As for its smell, is not significant, however it is characteristic only when the wood is wet. Finally, and not least, the won or thread criss-cross the cumaru, makes wood more strain and may therefore have a tendency to have movement. This is why this wood must always be estufada with a degree of humidity between 10% and 12%, which will allow wood homogenize its moisture and steadier to climate changes.

Where can I use this type of wood?

It is a tool that can be deployed both inside and outside, because its high resistance and durability not limited it in terms of work where exposed to various environmental factors that deteriorate with the passage of time, therefore providing a period of more than 15 years of life, being thus a tool with performance optimal.

It is resistant to biological attack, it does not require to be preserved.

Cumaru can be implementation outsite.

What applications it is useful the Cumaru?

As a wood with hardness, density and weight, as well as having a sexy tone, it can be used with confidence for the realization of the tool handles, for industrial floors of large surfaces, floors parquet for homes and stocks of weapons. In the same way, this wood, the Cumaru is implemented in foreign environments, being useful for bridges, sleepers for railway (wood blocks that hold the railways), brackets, and mining structures, frameworks for ceilings, columns and sports equipment.

Ideal for exterior floor.

Technological features

The Cumaru is a very heavy wood, presenting low linear contractions and volumetric shrinkage is stable.

For mechanical resistance, it is situated in the high category.

Physical properties:.

Basic density: 0.87 g/cm3.

*tangential shrinkage: 9,10%

*radial shrinkage: 5.50%

*volumetric shrinkage: 15.00%

*t/r ratio: 1.60%

*Mechanical properties

*Modulus of rupture in bending: 1,286 Kg/cm2.

*Parallel compression (RM): 672 Kg/cm2.

*perpendicular compression (ELP): 150 Kg/cm2.

*Cut parallel to the fibres: 145 Kg/cm2.

*Hardness on all sides: 1,353 Kg/cm2

*Tenacity (shock resistance): 6.2 Kg/cm2.

Technical Recommendations

The Cumaru is a type of dense and strong wood, you have greater difficulty when it comes to be worked by hand or it has been said for sawing, as its hardness and criss-cross grain oblige the executor make use of supportive tools or equipment for handling heavy.