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Species Name: Brushbox
Botanical name(s): Lophostemon confertus
Size and location information: Brush Box is a large hardwood which grows from the central coast
of New South Wales up to Bowen in Queensland. The tree tends to be found on the edge of rainforests,
suited to the moist forest conditions and the transition zone between hardwood and rainforest.
It has a fibrous, scaly, persistent bark on the lower trunk and a smooth, often pinkish bark above and on
the branches. The foliage is bright green.
It has also been widely used in residential areas of Sydney for street trees.
Description: The heartwood ranges from rich reddish browns through lighter browns and to pinkish
greys. The texture is fine and even with the grain usually showing the characteristic interlocking. This is
an attractive feature, particularly in exposed/polished situations such as flooring. The timber is free of
gum vein. Considerable movement may be experienced when seasoning the product due to the
interlocking grain.
Density: Green: 1100kg/m3 Dry: 900kg/m3
Janka Hardness Rating: Green: 7.9, Dry: 9.1
Shrinkage: 5% Radial, 10% tangential
Durability: In ground: Class 3 Above ground: Class 3
Lyctids Susceptibility: No
Termite Resistance (AS3660): Yes
Strength Group: S3/SD3
Fire Hazard properties:
Ignitability: 14
Spread of flame: 7
Smoke Development: 3
Workability
Not easy to work because of its density,interlocked grain, and high silica content. Planer cutting angles
need to be reduced. Unsuitable for steam bending. Very resistant to wear and splintering. Natural
waxiness can cause adhesion problems.
Uses:
Flooring, cladding, panelling.
Availability:
Moderate quantities.