Curupay

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FSC® certified wood species

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Hardwood for a better world

Curupay Hardwood

Curupay grows in the subtropical regions of South America, mainly in Botany and Argentina. This very heavy wood is a true favourite when it comes to floors and other interior applications. Curupay wood owes this to its warm hue and flame pattern. You will therefore regularly encounter Curupay floors in homes, office buildings and gyms.

Wooden fencing developed with old stable grids

Circular fencing

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Durability class

Class 1-2

Strength class

Unknown.

Applications

Suitable for interior applications. Many homes have a beautiful Curupay floor. In its country of origin, this hardwood is also used for hydraulic engineering, bridges, piles, sleepers, wagon and truck construction.

Specific gravity

Fresh 1250 kg/m3. At 12% moisture content 1030 kg/m3.

Colour

Freshly sawn Curupay hardwood has a light brown colour with dark stripes. When exposed to light, the wood turns to a reddish brown with black stripes.

Details

Very heavy wood. The colour of the spider mite is yellow-brown to light pink.

Grain

Usually irregular, sometimes a strong cross-thread.

Timber texture

Fine to medium coarse.

Drying

Curupay dries very slowly with a slight tendency to warp. With forced accelerated drying, it is prone to head- and longitudinal cracks, especially at larger dimensions. It is therefore best dried slowly and well controlled.

Hardness

16150 N.

Workability

Due to its high hardness, Curupay hardwood is difficult to work for most tools. It has a tendency to blunt cutting edges quickly.

Screwing/nailing

Pre-drilling is necessary.

Finishing of surface

Good. Due to the density of the wood, it can be smoothed very well after filling the pores.

Other names

Curupay (Paraguay, Argentina), cebil colorado (Argentina), angico preto (Brazil).

Background information

Curupay wood has a slightly astringent taste and an indefinable odour. The bark contains ± 15% tannin. The bark is used for dyeing clothes and tanning hides.

Stability

Average.

Origin area

Subtropical regions of South America.