Merbau
Intsia bijuga · Hardwood
- Type
- Hardwood
- Origin
- Southeast Asia, Pacific Islands, and Northern Australia
- Hardness
- 1925 lbf (Very Hard)
- Durability
- Very Durable
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Grain Pattern
Interlocked to wavy grain with a coarse, uneven texture
Color & Appearance
Yellowish-brown when freshly cut, darkening to a rich reddish-brown or dark brown over time, often featuring distinctive yellow or golden mineral deposits in the pores
Hardness (Janka)
1925 lbf (Very Hard)
Durability & Decay Resistance
Very Durable
Value & Sustainability
- Estimated Market Value
- 8.00 to 14.00 USD per board foot
- Wood Age Estimate
- Estimated to be relatively modern, well-seasoned lumber (under 20 years old)
- Sustainability Status
- Not listed on CITES appendices, but vulnerable due to overharvesting in certain regions; look for certified sources
Common Uses
Flooring, decking, exterior construction, heavy-duty furniture, turnings, and boat building
Geographic Origin
Southeast Asia, Pacific Islands, and Northern Australia
Workability
Generally easy to work with hand and machine tools, though it can have a blunting effect on cutting edges due to silica content; glues and finishes well
Finish Recommendations
Takes oil, lacquer, and polyurethane well, though water-based finishes may react with extractives if not properly sealed
Notable Features
Contains distinct yellow sulfur deposits in the vessel pores which can bleed when wet; extremely stable once dry
