GUM, SPOTTED

Corymbia maculata

(formerly Eucalyptus maculata)

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

APPEARANCE

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

FINISHING: No known problems.

ORIGIN

Australia.

AVAILABILITY

Moderately available.