Hardwood species / green-heart
Greenheart
A legendary structural hardwood known for unmatched strength, durability, and marine performance.
Common Name(s)
Greenheart, Demerara Greenheart
Scientific Name
Chlorocardium rodiei
Distribution
Guyana, Suriname, Northern Amazon Basin
About Greenheart
Green-Heart is one of the strongest and most durable hardwoods in the world, renowned for its exceptional resistance to decay, marine borers, and heavy structural stress. Native to Guyana and the northern Amazon region, it has been used for centuries in bridges, wharves, piers, and industrial applications where long-term performance is critical. Its density, stability, and natural durability make it a premier choice for demanding environments, especially in marine and freshwater construction.
Read the material
Key Attributes
Appearance
Colour
Olive-green to dark greenish-brown
Grain
Straight to interlocked
Texture
Fine, uniform texture
Density
Extremely heavy
Performance
Workability
Difficult (high density + silica)
Durability
Exceptional (marine-grade)
Stability
Good dimensional stability
Measured performance
Technical Information
Reference values from the Evergreen species catalogue. Talk with our team about your project conditions.
| Property | Value |
|---|---|
| Janka Hardness | 3,190 lbf |
| Modulus of Rupture | 22,000–25,000 psi |
| Modulus of Elasticity | 2,200,000 psi |
| Density | 1,050 kg/m³ (65–66 lb/ft³) |
| Crushing Strength | 11,500 psi |
| Shrinkage (Radial) | 4.0% |
| Shrinkage (Tangential) | 7.5% |
| Shrinkage (Volumetric) | 11.5–12% |
| T/R Ratio | 1.8–1.9 |
| Workability | Difficult (high density + silica) |
| Planing | Fair, with sharp tools |
| Sanding | Good |
| Finishing | Excellent — accepts oils and varnish well |
| Stability | Good dimensional stability |
| Durability | Excellent |
| Moisture Movement | Low–Moderate |
Where it works best
Recommended Uses
Let’s build something lasting
Ready to start your project with Greenheart?
Our team can help you choose the perfect dimensions and finish
Available Dimensions
- Thickness
- 1"-3"
- Width
- 4"-12"
- Length
- 8ft-16ft
- Grade
- Select, Prime, Rustic
- Milling
- Custom Milling Available
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