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Hoop Pine
Blonde Timber Species
Species Name: Hoop Pine
Botanical name(s): Araucaria cunninghamii
Size and location information: A large tree attaining 50 m in height and 1.8 stem diameter. It
usually has a straight cylindrical trunk. The bark in mature trees is rough and dark brown to nearly black
in colour, while in young trees it is smooth with a tendency to peel off around the stem circumference.
The hoops are apparent when bark is stripped from the trunk.
Occurs naturally in drier rainforests from Hastings River, New South Wales, to Far North Queensland
and as far inland as 300 km in some places. It is also grown in plantations, mainly in southern
Queensland. Outside Australia it extends to Papua New Guinea.
Sawn timber of this species is readily available, mainly from plantation grown trees.
Description: The heartwood ranges from pale cream to light yellow-brown with little difference
between heartwood and sapwood. Very fine and even textured. Growth rings usually visible but
indistinct.
Density: Green: kg/m3 Dry: 560kg/m3
Janka Hardness Rating:
Shrinkage: 2.5% radial, 3.5% tangential
Durability: In ground: Class 4 Above ground: Class 4
Lyctids Susceptibility: No
Termite Resistance (AS3660): No
Strength Group: S6/SD5
Fire Hazard properties:
Workability
Machines and turns well to a smooth surface. No difficulty has been experienced with the use of
standard fittings and fastenings. Can be satisfactorily bonded using standard procedures. Will readily
accept stain, polish and paint.
Uses:
Engineering. Preservative treated poles for pole frame construction, power poles.
Construction. General purpose softwood used as seasoned dressed timber in general house framing,
flooring, lining, mouldings, laminated beams. Preservative impregnated for external or round form in
fencing, pergolas, landscaping, retaining walls, playground equipment. Also used as structural plywood
and particleboard.
Decorative. Furniture, plywood, joinery, turnery, carving.
Others. Boat building (masts, planking, deck beams, frames, marine plywood), aircraft construction,
wood wool, paper products, arrow shafts, broom handles, cooperage, beehives, brushware, dowling,
blind rollers, draughtman's implements, boat oars, musical instruments (violin and guitar bellies),
scaffold planks, match splints.
Availability:
Plentiful, except larger end sections.
Architraves and Skirting
Huge range of profiles and sizes available
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