Spotted Gum

Corymbia maculata

(Formerly eucalyptus maculata)

Appearance

Gum Spotted

Shown with water-based finish (top), and oil-based finish (bottom)

Color: Heartwood is light to dark brown, sapwood is pale and may be as wide as 3.12 inches (8 cm).

Grain: Interlocked, moderately coarse. Frequent presence of wavy grain produces “fiddleback” grain. Slightly greasy; gum veins are common.

Properties

Hardness (Janka): 2473 (92% harder than Northern red oak).

Dimensional Stability: Data not available.

Workability

Sawing/Machining: Good.

Sanding: No known problems.

Suggested Sequence:

  • First Cut: 50 at a 7-15 degree angle with the grain
  • Second Cut: 60 or 80 straight with the grain
  • Third Cut: 100
  • Hard Plate: 120
  • First Screen: 100
  • Second Screen: 120

Nailing: Pre-drilling and hand-nailing may be preferred.

Finishing: No known problems.

Origin

Australia.

Availability

Moderately available.