Greenheart

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FSC® certified wood species

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Greenheart Hardwood

The Groenhart (greenheart) wood, also known as Demerara greenheart, grows in Suriname. This hardwood falls under the Ipé group, which contains various species with various properties. If you are looking for a durable type of wood for heavy construction work, then Groenhart wood, which is FSC® certified, might be an appropriate choice.

Durability class

Groenhart wood is classified in durability class 1.

Strength class

D70.

Applications

Groenhart is mainly used for heavy construction work, waterworks, bridges and shipbuilding, lock gates and harbour works.

Specific gravity

Fresh 1300 kg/m3. At 12% (950-)970-1020(-1200) kg/m3.

Colour

The heartwood of Demerara Groenhart is light to dark olive green, hence the name. This wood is sometimes marked by brown or black stripes.

Details

This tropical hardwood contains auto-protective toxic constituents, which makes it highly resistant to most shipworms. Exceptions are some brackish tropical shipworm species.

Grain

Straight, cross and tangled thread.

Timber texture

Fine.

Drying

The wood dries very slowly and surface cracks might appear during drying. However, drying is not necessary for most applications.

Hardness

11100 N.

Workability

Due to its high density, demerara greenheart is quite difficult to work with. A smooth finish can be achieved with sharp tools.

Screwing/nailing

Pre-drilling is necessary to avoid splitting.

Finishing of surface

Good, the surface finish of demerara green heart is very good.

Background information

This hardwood falls under the Ipé group, which contains various species with various properties.

Quality requirements

Greenheart is mentioned in the NEN 5493 'Quality requirements for hardwood in earth, road and hydraulic engineering works and other construction applications.

Stability

Average.

Remarks

Want to know the current price of Greenheart hardwood? Please contact us. We only supply FSC® certified Groenhart for responsible forest management.

Origin area

Tropical South America. Greenheart wood originates from Suriname.