Cumaru Rosa - Commonly known as Brazilian Teak
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Cumaru Rosa
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CUMARU / BRAZILIAN TEAK / REALCUMARU
Scientific Name: Dipteryx odorata
Other Names and Species: Almendrillo, Amburana, Brazilian
Teak, Cumaru Rosa, Imburana de Cheiro, Tonka, Tonka Bean, Tonquin
Bean
Origin: Central and South America
Appearance: The sapwood of red cumaru hard wood
– RealCumaru - decking is very
similar to the heartwood, which ranges from red brown to deep red in
color with a tight, even grain. Over time the red cumaru color will
"flatten out" slightly. The species has an irregular, slightly
interlocked grain and is coarse and wavy in texture. This dense,
attractive Brazilian hard wood has the characteristics of ipe, but
without the olive-green tone. Cumaru hard wood
– RealCumaru - is sometimes referred to as Brazilian teak or
southern chestnut
Properties: Cumaru hard wood
– RealCumaru - decking is
resistant to insect attack and decay. Cumaru
– RealCumaru - decking can take some time to dry properly due
to its propensity to shrink when freshly cut, but does have good
stability characteristics once dry. It is one of the densest woods
on the planet and is VERY durable. Our friends in South America have
been using cumaru hard wood for fence posts and earth contact
timbers for generations and brag about its useful life of 100 years.
It is common for the Cumaru
– RealCumaru - tree to reach to 160 ft in height with trunk
diameters of 40 in.
DRYING AND SHRINKAGE
Very unstable when used in dry climates and it is prone to
shrinkage. It is naturally seasoned and kiln dried to prevent
shrinkage.
Janka Hardness: 3540 Cumaru
– RealCumaru - is only two and a
half percent softer than ipe (Brazilin walnut), almost 3 times as
hard as Red Oak (1210 Janka).
Workability: Cumaru
– RealCumaru - decking is one of the hardest woods on the
planet, the wood is difficult to saw and bore and will have a fairly
high blunting effect on tools. Where severely interlocked grain is
not present, the wood planes to a smooth surface. Because of its
high density and oily nature, the wood glues poorly. It nails and
screws well; pre-boring is necessary. The dust arising from working
cumaru wood flooring has been known to cause a slight allergic
reaction on contact with skin for some people, and as such some care
should be taken in installing and preparing this product.
PRESERVATION: Cumaru
– RealCumaru - naturally weathers to a beautiful, silver-gray
patina. To maintain this rich tone, Flood Company’s deck oil with UV
inhibitor works best. Application of sealers is optional
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