NSW Spotted Gum Timber flooring

NSW Spotted Gum flooring: sizes, grades and prices

Prices are per square metre on our website on 14 October 2026. All three sizes are stocked in both grades. We also stock QLD Spotted Gum, which runs a little lighter and more even in colour.

Which thickness: 14 mm overlay or 19 mm structural

The 19 mm board is a structural floor: it spans joists or battens on its own, or goes over a plywood or particleboard subfloor. The 14 mm board is an overlay: it must be glued or nailed to a continuous subfloor, or direct-stuck to a concrete slab over a moisture barrier, and cannot span joists. Both are tongue-and-groove and end-matched, and both are sanded and coated after laying, so the finished floor looks the same; the 14 mm board is cheaper per square metre and sits lower at doorways.

What NSW Spotted Gum flooring is like

NSW Spotted Gum (Corymbia maculata) is the hardest floor we stock: WoodSolutions puts the seasoned hardness at 10.1 kN at about 990 kg/m³. The colour is the point of it. Boards run from pale brown through chocolate to a dark red-brown, often with a wavy grain, so no two packs are alike and the finished floor has movement in it. It is the floor for a house that wants an Australian hardwood to look like one.

It machines and sands cleanly despite the density, takes oil and polyurethane evenly, and is naturally termite resistant in the heartwood. The same timber is on the AS 3959 bushfire-resisting list, which matters for decks rather than floors.

Grades for this timber

Select keeps the colour range but cuts out most gum vein and knots; Standard allows them and costs 10–15% less. In Spotted Gum the colour variation is there in both grades, so choose Standard if you like the look busy and Select if you want the colour without the marks. Grade names vary between suppliers, so ask what each one allows; our timber grades guide explains the system.

Laying and finishing

Boards are supplied kiln-dried at 10–12.5% moisture content. If that matches the house, lay them; if the house is noticeably wetter or drier, open the packs and stack them with airflow for a week first. Leave 10–12 mm expansion gaps at walls and fixed points, more across a wide room. Leave the laid floor about two weeks before sanding and coating so it settles (WoodSolutions). Allow 5–10% extra for cuts and the odd board you set aside. We stock the adhesives, vapour barrier and trims and the skirtings to finish the job.

The same timber for other jobs

• Spotted Gum flooring, all types – solid, engineered, hybrid and laminate
• QLD Spotted Gum solid floorboards – lighter and more even
• Spotted Gum decking – the same timber outside, BAL-29
• Solid timber flooring – all species

Questions we get asked

How much does Spotted Gum flooring cost?

On our website on 14 October 2026, Standard grade runs from $104 per m² (83 × 14 mm) to $134 (130 × 19 mm); Select from $114 to $154.

What is the difference between NSW and QLD Spotted Gum?

Different trees in the same group: NSW is Corymbia maculata, QLD mostly C. citriodora. The NSW boards tend to be darker and more varied; the QLD boards lighter and more even. Hardness and durability are the same.

Is Spotted Gum good for a kitchen?

Yes. It is hard, dense and finishes well; wipe spills rather than leaving water to stand, as with any timber floor.

Does the colour settle?

The range stays; sunlight deepens the whole floor evenly over the first year. Rugs left in place will leave a lighter patch for a while.

Pickup and delivery

Stocked at our flooring showroom at 170 Settlement Road, Thomastown, Mon–Fri 7 am–4:30 pm and Sat 9 am–1 pm, with delivery across Melbourne and regional Victoria quoted with the order. Bring your room sizes in and we will work out the packs, or call (03) 9465 9875.