Jarrah
Eucalyptus marginata
Hardness
Very hard; tough on tools but extremely wear-resistant.
Overview
A deep red Australian eucalyptus hardwood valued for flooring, decking, and turning, with occasional decorative gum veins.
Commonly built
- Flooring
- Decking
- Turned bowls
- Furniture
Appearance
Rich reddish-brown, sometimes with darker gum vein streaks or figure.
Recommended uses
Similar species
Comparable on hardness, type, and workability, useful when this species isn't available.
Working notes
Moderately hard on tools; gum veins can be brittle and prone to voids, fill with epoxy if needed. Glues and finishes well.
Wood movement
A 24-inch-wide flatsawn jarrah panel moves roughly 0.36 inch across a typical seasonal humidity swing (about 6% to 12% moisture content). Use the wood movement calculator to run your own board size and moisture range.
How much does Jarrah move? → See flatsawn vs. quartersawn figures and a worked example.
Common questions
How hard is Jarrah?
Jarrah has a Janka hardness of 1910 lbf, a measure of how well it resists denting and wear.
Is Jarrah suitable for outdoor use?
Jarrah stands up reasonably well outdoors, especially with a protective finish and regular maintenance.
How easy is Jarrah to work with?
Jarrah has Fair workability for cutting, shaping, and joinery.
How much does Jarrah move seasonally?
A 24-inch-wide flatsawn jarrah panel moves roughly 0.36 inch across a typical seasonal humidity swing (about 6% to 12% moisture content).
Community photos
Real photos from woodworkers who've used jarrah, reviewed before they appear here.
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Wood data varies by source and sample. How we source and review our data.