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Jarrah |
Name
Jarrah (Eucalyptus marginata)
Type
Hardwood.
Other Names
Also known as Eucalyptus.
Sources
Grows in south western Australia.
Appearance
Typically straight grained but often interlocked and
wavy. Moderately coarse, even texture. Rich dark
reddish brown heartwood, often with gum veins and
boat-shaped flecks. Paler reddish brown sapwood.
Physical Props
Heavy, hard, strong (particularly crushing strength), and
stiff with moderate dimensional stability in service. Highly
decay resistant heartwood. Steam-bends moderately
well.
Working Props
Fairly difficult to work due to hardness and density.
Reduced cutting angle recommended for planing. Turns
well. Pre-drilling required for screwing and nailing. Glues
and finishes well.
Uses
Used extensively for construction in Australia,
particularly for marine applications such as bridges, dock
pilings, wharfs, and ship building. Also used for flooring,
cross-ties, shingles, siding, trim, rafters, joists, furniture,
interior joinery, chemical vats, and decorative veneers.
Valued for striking tool handles.
Comments
More jarrah is harvested than any other commercial
Australian timber. It is more appropriate than Karri for
marine applications but it's not quite as heavy or as
strong.
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