Hardwood Spotted Gum

The word “spotted” refers to the soft mottled colour caused by weathering of the outer tree as it sheds elliptical strips of bark. This colour varies from pale greybrowns and soft creams to a rich chocolate brown. A very tough timber, its frequent wavy grain can produce an attractive and highly valued fiddleback effect.

Physical Properties
Dry Density: 950 kg/m³
Janka Dry Hardness: 11 kN

The Janka rating is the hardness level given to each species. The higher the number, the greater the hardness.

The natural colour variation within a timber species is normal and one of its most appealing attributes. The species samples shown here are indicative only and do not necessarily show the colour variation that can be naturally found in each species. It is recommended that large samples of the species be viewed in a timber flooring showroom when deciding on the species for a new timber floor.

Category:

Description

Properties

Species Name
Botanical Name
Colour Range
Spotted Gum
Eucalyptus maculata, Syn:
Corymbia maculata, C. citriodora, Syn: E. citriodora, C. henryi,
Syn: E henryi
Brown
Janka (Hardness) Rating – Dry 11
Natural Durability Class
In-ground contact
Outside above ground contact
2
1
Density (kg/m3)
Unseasoned (Green)
Seasoned (Dry)
1150
990
Strength Group
Unseasoned (Green)
Seasoned (Dry)
S2
SD2
Joint Group
Unseasoned (Green)
Seasoned (Dry)
J1
JD1
Fire Indices
Spread-of-Flame Index
Smoke-Developed Index
Critical Radiant Flux
Smoke Development Rate
Group Number
Naturally bushfire-resisting Timber
3
3
>2.2 and <4.5
<750
3
Yes
Tangential Shrinkage % 6.1
Toughness (Nm)
Naturally Unseasoned (Green)
Seasoned (Dried)
20
24
Naturally Termite Resistant to AS3660
R = Resistant
NR = Non resistant
R
Naturally Lyctus Susceptible
S = Susceptible
NS = Non susceptible
S