Tropical hardwood
Tropical hardwood
There are hundreds of tropical hardwood types that are used in woodworking. Some of the most common species are mahogany, merbau, okoume, teak, meranti, azobe and bangkirai. The sustainability profile of tropical hardwoods is characterised by good durability, but a large impact of transportation and risk of illegal activities connected to logging. Unless you are in the tropics or the wood is certified, you have to take into account that it is difficult to keep track of where the wood comes from. One of the main issues is that it could come from old growth rainforest.
The life cycle |
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High footprint Unless it's FSC, it is likely to come from areas where old growth forests are being cut illegally. Some tropical wood types are themselves endangered species.
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Long distance Transport is one of the largest impacts in the wood supply chain. Unless you are in the tropics, tropical wood comes from far, and most of the time it is transported as logs. Transport before drying and sawing can use up to 3 times more fuel than transport as sawn planks, for the same amount of cut wood.
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Time consuming Wood types with high hardness take time to work and can blunt tools earlier than softer wood.
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Costly Imported wood usually costs more than domestic wood. If it's cheap it is more likely to have been harvested illegally
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Long lifespan Tropical hardwood is usually more resistant to rot and wear. Products made of the hardest tropical woods can last more than 25 years. Information about the durability of different woods is widely available (1). |
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Easy reuse Especially for the tropical wood types with high resistance to decay, hardwood products can be easily restored and go a long way. Easy recycling When it's not painted or treated, hardwood can be recycled as fuel or woodchips. |
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Links
How to
Eco info
Two of our favourite wood sustainability resources: Make it wood and Wood for good
The Ecocost database contains sustainability scores for hundreds of wood species
The good wood guide: Eco-friendly options for furnishing your home
Eco cost of wood and bamboo (technical paper)
Infographics: Timber durability chart and What affects the natural durability of wood?
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Other Materials
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Examples on Harvestmap.org