Species

Australian Hardwoods Selected for Performance

Our species range includes Australian hardwoods chosen for their durability, strength and suitability across construction, infrastructure and outdoor uses, supported by responsible sourcing and long-term supply.

Our Timber Species

DTM Timber supplies a range of Australian hardwood species selected for strength, durability and suitability across construction, infrastructure and outdoor applications. Species selection is based on performance requirements, exposure conditions and availability.

Our core species are widely used throughout Australia, supported by selected specialty timbers for architectural and bespoke projects.

Durability Overview

Australian hardwood species vary in natural durability, commonly classified from Class 1 (very durable) to Class 4 (low durability) based on the expected service life of untreated heartwood above ground. Species selection, preservative treatment, detailing and exposure conditions all influence long-term performance.

Spotted Gum

Corymbia species, commonly known as Spotted Gum, are valued for their combination of strength, durability and appearance.

Typically Durability Class 1–2

Used for structural timber, decking and exposed outdoor applications

Selected where both performance and appearance are important

Ironbark

Ironbark is a dense hardwood recognised for its strength and long service life in demanding environments.

Typically Durability Class 1

Commonly used for heavy structural, decking and ground-contact applications

Chosen where high durability and wear resistance are required

Darwin Stringybark

Darwin Stringybark is a versatile Northern Australian hardwood with reliable performance across a wide range of uses.

Typically Durability Class 1

Suitable for structural, decking and external applications

Offers a balance of durability, strength and availability

Specialty Timbers

DTM Timber also supplies a select range of specialty Australian hardwoods chosen for distinctive colour, grain and character. These timbers are typically specified where standard commercial species do not meet design intent.

Durability generally ranges from Class 1 to Class 3

Used for architectural, feature and bespoke applications

Availability varies and may be by request

To explore a broader range of Northern Australian specialty timbers, visit: https://www.branch95.com.au/timbers

Pole Species

DTM Timber supplies poles manufactured from selected Australian hardwoods suited to long-term service.

Spotted Gum (Corymbia spp.)

Ironbark

Gympie Messmate

White Mahogany

Blackbutt

Species selection is based on strength, durability, straightness and suitability for treatment.

Species Selection

Choosing the right species supports service life, performance and value over time. DTM Timber works with customers to match species to structural, durability and appearance requirements.

For current availability or advice on species selection, contact DTM Timber.

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