Jarrah

Eucalyptus marginata

Top portion of sample has water-based finish. Bottom portion is oil-based finish.

Appearance

Color: Heartwood is uniformly pinkish to dark red, often a rich, dark red mahogany hue, turning a deep brownish red with age and exposure; sapwood is pale. Frequent black streaks with occasional ingrown grain.
Grain: Frequently interlocked or wavy. Texture is even and moderately coarse.

Variations Within Species And Grades: Moderate to high color variation.

Properties

Hardness/Janka: Janka:1910; (48% harder than Northern red oak).
Dimensional Stability: Below average (11.0; 28% less stable than Northern red oak).
Durability:

Workability

Sawing/Machining: Difficult to work because of high density and irregular grain; carbide tooling recommended.

Sanding: Sands well, but dust can stain fabric and wall treatments.

Nailing: No known problems.
Finishing: Red color can bleed into some finishes - a problem when mixing species.
Comments: Resistant to termites and fungus.

Origin: Australia

Availability

Moderately available.