Cumaru Hardwood Technical Species Information

Detailed scientific and mechanical properties for Cumaru, Brazilian Teak Hardwood Lumber

Cumaru, Brazilian Teak

Cumaru, commonly called Brazilian Chestnut, is a tough and dense wood imported from Brazil that has an irregular, somewhat interlocked grain and wavy, course texture. Because of its density, it is very resistant to termites and decay. Cumaru's heartwood is a medium brown with distinctive tan shades that compliment one another in with tonal warmth to create a relaxing feeling that's great to come home to.

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Cumaru, Brazilian Teak Wood Properties

Janka Hardness: 3,200 lbf
Modulus of Rupture (MOR): 24,800 psi
Modulus of Elasticity (MOE): 3,050 ×1000 psi
Density: 1,080 kg/m³
Tangential Shrinkage: 8.4%
Radial Shrinkage: 5.4%
Botanical Family: Leguminosae
Tree: The Cumaru tree can reach 160 feet in height with trunk diameters up just over 3 feet.
Distribution: Venezuela, Colombia, Brazil, Peru, Bolivia, The Guianas.
Other Names: Dipterix odorata, Southern Chestnut, Brazilian Teak

Cumaru, Brazilian Teak Characteristics

Color

Reddish-brown or purplish-brown when fresh, shifting to light-brown to yellowish-brown upon exposure. Sapwood is yellowish-brown.

Texture

Fine

Grain

Interlocked

Luster

Low to medium

Durability

Rated as very durable, resistant to brown and white-rot fungi, and has exemplary weathering characteristics.

Drying

Rated as easy to air season, can sometimes check and warp, uniformly rapid drying.

Workability

Rated as difficult to saw or bore. Poor for gluing due to high density and oily nature.

Applications

Cogs, flooring, decking, turnery, bearings, tool handles, railroad crossties, heavy construction.

Photosensitivity

Cumaru will darken upon exposure to light.

We specialize in both unfinished hardwood floors and prefinished flooring. Available width are 3", 4" and 5". Please see our product catalog for more information.