A Robust, Warm-Toned Australian Hardwood
Stringybark species grow widely through the forests of south-eastern Australia, and have been a mainstay of Australian construction and decking for generations. The timber typically presents in warm tones ranging from pale straw and light brown through to richer golden-browns, depending on the species and individual board. The grain is usually straight, sometimes interlocked, with a medium, even texture and natural features such as gum veins and slight colour variation that give a finished deck genuine character and depth. As with all natural hardwoods, expect some variation board to board — it is part of the timber’s appeal. In performance terms, Stringybark is a strong, dense hardwood. Most decking-grade stringybarks offer around Class 2 natural durability above ground, with densities commonly in the 850 – 900 kg/m³ range and Janka hardness figures around 8.5 – 9.5 kN — enough to handle everyday outdoor use comfortably. The more durable stringybarks, such as Yellow Stringybark, sit toward the higher end of these properties. Because performance differs between species, the specific stringybark supplied for your project should be confirmed against its own data sheet.
Why Choose Stringybark Decking
Technical Specifications
Common species
Yellow, White, Silvertop & Messmate Stringybark (varies)
Heartwood colour
Pale straw to warm golden-brown (species-dependent)
Natural durability
approx. Class 2 above ground (varies by species)
Janka hardness
approx. 8.5 – 9.5 kN (indicative)
Density (seasoned)
approx. 850 – 900 kg/m³ (indicative)
Grain & texture
Straight to interlocked, medium even texture; gum veins
Termite resistance
Moderate — treat for in-ground / wet use
Common decking sizes
86 x 19 mm, 135 x 19 mm (set lengths & random solids)
Typical applications
Decking, flooring, cladding, screening, general construction
Where Stringybark Decking Performs Best
Residential decks, verandas, alfresco and entertaining areas wanting a warm, natural hardwood look.
Larger or budget-conscious decking projects that still require a genuine Australian hardwood.
Light commercial decks and outdoor hospitality areas.
Projects combining decking with matching cladding, screening or flooring for a cohesive finish.
Heritage and character homes where a traditional Australian timber suits the style.
Above-ground outdoor platforms with good ventilation and drainage.
Working With and Maintaining Stringybark
Stringybark installs using standard hardwood decking practice. Fix with quality decking screws — stainless steel is recommended in coastal or high-moisture environments — and pre-drill near board ends to avoid splitting. Maintain consistent gaps between boards for drainage and airflow, and ensure good ventilation beneath the deck. Because colour and grain vary between boards, dry-lay and select faces to achieve the blend you want before fixing. To protect the timber and maintain its warm tones, apply a quality penetrating decking oil after installation and reapply once or twice a year depending on exposure. Left uncoated, Stringybark weathers to a silver-grey while remaining structurally sound. For above-ground decking, decking-grade stringybark performs reliably; any timber used in or near ground contact or constantly wet areas should be treated, and cut ends should always be resealed.
Get Your Free QuoteSustainable & Ethically Sourced
Stringybark supplied by JVS Timber is sourced from certified Australian producers and supplied compliant with Australian industry standards for durability, stability and longevity. As a locally grown native hardwood, it supports responsible Australian forestry and carries a lower transport footprint than imported decking timbers. FSC-certified options are available on request.
Get Your Free QuoteStringybark Decking Sizes & Availability
JVS Timber supplies Stringybark decking in popular profiles such as 86 x 19 mm and 135 x 19 mm, in pre-cut set lengths or random solid parcels. Because “Stringybark” covers several eucalypt species, the exact timber, colour and properties of a given parcel can vary, so we will confirm the specific stringybark available at the time of your order along with its data sheet, current stock and trade pricing. Send us your sizes, lengths and quantities and we will arrange fast delivery Australia-wide.
Get Your Free QuoteStringybark Decking — Frequently Asked Questions
Stringybark is a group of Australian eucalypts — including Yellow, White, Silvertop and Messmate Stringybark — named for their fibrous, stringy bark. As decking, it offers warm straw-to-brown tones, a strong straight grain and dependable outdoor durability at a competitive price.