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Timber

Tallowwood

Tallowwood (Eucalyptus Microcorys) boasts a versatile range of applications, with particularly impressive outcomes observed in internal flooring and cladding installations. Its adaptability extends to decking, linings, exposed structures, poles, piles, bridge timbers, joinery, turnery, outdoor furniture, and boat building. The heartwood of Tallowwood exhibits hues ranging from pale to darker yellow-brown, accompanied by a noticeably lighter, almost white sapwood. Featuring a fairly coarse texture with an interlocking grain, the timber imparts a tactile sensation of greasiness, as suggested by the term ‘tallow.’

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Vertical Shiplap Cladding - Christchurch

Tallowwood

Factory coat of clear oil

Tallowood has a wide variety of uses however particularly impressive results are achieved when featured as internal flooring/ cladding and/or external feature timbers.

Other applications include decking, linings, exposed structures, poles, bridge timbers, joinery and outdoor furniture. Tallowwood heartwood is pale to yellowish-brown. This wood has a fairly coarse texture with an interlocking grain. As the word ‘tallow’ suggests, the timber of this species feels greasy to the touch. Tallowwood is reasonably easy to work however gluing can be difficult due to the greasy nature of the timber. Tallowwood accepts paint, stain and polish readily and fixing with standard fixings and fasteners presents no problems. Generally, Tallowwood is an extremely tough and durable Australian timber used widely in external applications such as decking.

COMMON NAME
Tallowwood

LOOK & FEATURES
Fairly close-grained timber, free of gum vein

BOTANICAL NAME
Eucalyptus microcorys

COLOUR
Pale to yellowish-brown

COMMON USES
Decking, flooring, cladding, domestic structures, heavy commercial construction, posts, joinery and outdoor furniture

Density (kg/m3)
GD1200
ADD1000
Hardness kN (janka)
Green 7.6
Dry 8.6
Durability Class1
Strength GroupS2/SD2
Joint GroupJ1/JD2
Shrinkage
Radial % (approx.)4.0
Tangential % (approx)6.0
Structural Grades
UnseasonedF11/F14/F17
Seasoned F22/F27
Toughness (NM)
GreenMedium
DryMedium
Early fire hazard indices
Ignitability12
Spread of Flame5
Smoke Development4
TERMITE RESISTANT (toAS3660) (to AS3660) Yes
LYCTID SUSCEPTIBLE SAPWOOD Yes

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