Boral Overlay NSW Spotted Gum

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Boral Overlay NSW Spotted Gum

Availability: In stock

Price From: $75.95

Quick Overview

Botanical Name(s):

Janka Rating:
Natural Durability:
Density (Dry):

Product Code:
Corymbia Maculata
Sometimes Corymbia Citriodora
Sometimes Corymbia Henryi
Class 1
Random Lengths of 0.4m~2.4m

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Price From: $75.95
Sq / m



Spotted Gum is very unique and probably the second most popular Australian timber. There is not another timber in the world like Spotted Gum. The colour varies widely between pale straw to chocolate brown, sometimes having an olive green or red tinge. Not only visually impressive, spotted gum is extremely hardy. The NSW variety is a little browner and lighter on average.

Variation disclaimer

Timber is a natural material. Variation in appearance and properties is an enticing part of designing and building with real timber! Each fibre in each plank in each project is uniquely designed by nature. We strive in good faith to present you with the most accurate portrayal of what you can expect in your timber by using images, past job portfolios, detailed information and samples, the other part of this responsibility is advising you that your timber's appearance WILL vary from these guides. Please use this information as a guide only.


Boral has been developing and producing timber products for well over a century and they remain one of the largest, most experienced and most trusted timber manufacturers in Australia. Boral offers most of the popular Australian timber species in a wide range of products including: flooring, decking, cladding and structural timber, distributed across domestic, international, residential and commercial markets.

Board type

With many modern builds using concrete slabs rather than the more traditional bearers & joists subfloors, thinner timber alternatives like overlay can be used instead of thick structural timber.

• Kiln dried
• Precision milled with a tongue & groove joint system and plain ends
• Continuous solid timber through the entire thickness of the board with a ~5mm wear segment on top
• Raw and unfinished
• Backsawn timber

The timber is packaged into smaller bundles which are limited to 2.4m lengths making it possible to move the timber into upper floors and high-rise buildings. Our overlay still has the same ~5mm thick wear segment retaining the same sanding and longevity advantages as 19mm solid strip flooring.


Timber has many natural features that tell the story of the living tree. The features seen in NSW Spotted Gum are:
• Gum Veins & gum pockets
• Knots
• Surface checking
• Sapwood
• Burrs (aka burls)

This product is available in the following grades:
Classic grade; is mostly clean boards with minimal natural features. Classic grade gives a more uniform, clean, sophisticated and minimal appearance. Classic grade can be thought of as the top third cleanest timber and is equivalent to a 'select grade'.
Standard & better grade; has a wider range of features having mixed cleaner boards and moderately featured boards. It can be thought of as the top 50% cleanest boards.
Australiana grade; offers a moderate amount of natural features. Australiana grade shows off the more natural side of a timber species while not being too busy. Australiana grade can be thought of as the in-between third cleanest timber and is equivalent to a 'standard grade' or 'medium feature grade'.

Installation summary

Solid overlay strip floorboards are typically suitable for gluing &/or nailing over flat, dry and structural subfloors such as plywood, particleboard, existing timber floors or concrete slabs (except 130mm boards aren't suitable for concrete). They come in a raw state and need to be sanded and finished after installation. THIS IS NOT A DIY FRIENDLY PRODUCT, only an experienced installer and sander or a very experienced carpenter should attempt the installation of solid overlay strip floorboards.


Timber is a truly renewable resource, a mature tree is harvested, a young tree grows in its place and a few decades later is ready for harvesting again. Australia's vast forests are carefully, conservatively managed to ensure a responsible amount of wood is harvested. Timber uses a relatively small amount of energy during processing compared to other building materials like metals and concrete, the timber itself is a carbon storer and has a long working life.