Red Ironbark

The most common Red ironbark’s are Mugger Ironbark (Eucalyptus sideroxylon), narrow-leaved Red Ironbark (E.creba) & broad-leaved Red Ironbark (E.fibrosa). Mugga Ironbark extends from VIC through NSW into southern QLD. Narrow-leaved Red Ironbark is found in the coastal, tablelands and western plains of central to northern NSW and just west of the Great Dividing Range. Broad-leaved Red Ironbark has a distribution from the south coast of NSW to central coastal QLD. The heartwood colour is deep red. Sapwood is a very distinctive pale yellow in colour. Texture is medium and even. Due to the different cross species and areas Red Ironbark is found always check colour of timber is what you re after.

Heartwood class 1 above ground, Termite resistant and Janka hardness 14

Sub-type

Solid timber (raw/unfinished, site-finished)

Total thickness (mm)

19 mm

Wear layer (hybrid/vinyl)

—

Veneer layer (timber)

—

AC/abrasion class (laminate)

—

Janka (timber)

11.9

Natural durability (AS 5604)

Class 1 above-ground (>25 yrs); Class 1 in-ground (>40 yrs)

Density (air-dry, kg/m³)

1050

Bushfire suitability (BAL, AS 3959)

AS 3959 named bushfire-resisting timber — BAL 12.5, 19 and 29

Species/decor

Curated subset of Abbey's Australian hardwood species (Spotted Gum NSW/QLD, Blackbutt, Tallowwood, Turpentine, WA Karri, Wormy/Australian Chestnut, Tasmanian Oak, Rose Gum, Snowy River Gum, Silvertop Stringybark, Brownbarrel Southern Beech, Red Ironbark, plus imports White Oak/Baltic Pine/Kauri)

Plank width

80 / 90 / 130 / 180 mm

Core/construction

Solid hardwood, tongue & groove (T&G)

Water resistance

Not water resistant — solid natural hardwood, sensitive to moisture/humidity

Warranty (res/comm)

—

Wear layer (microns)

N/A — solid hardwood: the full ≈19 mm board is the wear surface (re-sandable multiple times above the tongue), not a micron veneer or coating.

Plank length (mm)

Random lengths

Locking system

None — solid tongue & groove (T&G); nailed or direct-stuck, not click/float

Installation method

Secret nail (80 mm boards); top nail or trowel glue (90 / 130 / 180 mm)

Attached underlay

None — no factory-attached backing (raw solid boards)

Slip resistance (AS 4586)

—

Fire – CRF + smoke (AS ISO 9239.1)

—

VOC / formaldehyde (class + cert)

—

Underfloor heating

Not recommended for any raw solid timber

Bevel / edge profile

—

Surface texture / finish

Raw / unfinished — sanded and coated on site (polyurethane solvent/water-based, penetrating oils & waxes, oil-based curing oils, oil-modified urethanes); no factory finish. Grades: Select, Standard, Feature, Prestige, Rustic, Rustic Industrial, Homestead, Cover/Utility.

Impact sound (IIC)

N/A as a board property — install/subfloor dependent (nailed or direct-stick; acoustic underlay + slab set the rating).

Country of origin

Australia

Botanical name

Eucalyptus sideroxylon

Janka hardness

14

Durability

Heartwood class 1 (above ground)

Termite resistance

Resistant

Type

Solid hardwood flooring