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Timber

Queensland Spotted Gum

Queensland Spotted Gum (Corymbia Maculata) varies in appearance but not in durability class or other properties. Compared to NSW Spotted Gum, Queensland Spotted Gum heartwood ranges from light brown through to dark red-brown hues. Sapwood is usually white to light brown in colour. The presence of a wavy grain can produce an attractive fiddle-back figure.

The wood has a slightly greasy feel, a characteristic that aids machining and boring. Spotted Gum components that are 18mm thick or greater do not require fire retardant treatment for use in construction in bush-fire prone areas.

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Vertical Shiplap - 65mm Cover Profile

Queensland Spotted Gum

Factory coat of clear oil

Spotted gum is an extremely adaptable and naturally strong timber which makes it ideally suited to numerous applications.

Once predominantly used only as a structural timber, considering its natural beauty and sheer strength, its not surprising Spotted Gum has found favour in many aesthetic, and architectural applications with extremely impressive results. Due to its significant versatility and durability you will find Spotted Gum used in a wide variety of applications. From building and construction, including structural components, flooring, cladding, and decking through to furniture (indoor and outdoor), landscaping, poles, beams, the list goes on. Widely used for power poles, bridge timbers and general construction, Spotted Gum is one of the most widely available Kennedy’s in Australia today.

COMMON NAME
Spotted Gum

LOOK & FEATURES
Backsawn grain, Fiddleback, Distinctive sapwood, gum veins

BOTANICAL NAME
Corymbia maculata

COLOUR
Light coffee brown to dark chocolate with some reddish tinges

COMMON USES
Building and construction, structural timbers, flooring, cladding, decking, furniture, landscaping, posts and beams

Density (kg/m3)
GD1200
ADD1100
Hardness kN (janka)
Green 8.0
Dry 10.1
Durability Class1
Strength GroupS1/SD1
Joint GroupJ1/JD1
Shrinkage
Radial % (approx.)4.5
Tangential % (approx)6.0
Structural Grades
UnseasonedF11/F14/F17
Seasoned F22/F27
Toughness (NM)
GreenHigh
DryHigh
Early fire hazard indices
Ignitability13
Spread of Flame3
Smoke Development3
TERMITE RESISTANT (toAS3660) (to AS3660) Yes
LYCTID SUSCEPTIBLE SAPWOOD Yes

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