Appearance of Gympie Messmate Timber
The heartwood of Gympie messmate features a rich yellow-brown hue, contrasting with the paler sapwood that ranges from white to grey-white. The grain is typically uniform and unfigured, with occasional shallow interlocking that enhances its character. The texture is fine to medium, creating a smooth and even surface. The bark is soft, flaky, and fibrous, with distinct longitudinal fissures that give the tree a unique, tessellated appearance.
Applications of Gympie Messmate Timber
Gympie messmate is valued for its versatility and strength, finding use in heavy engineering projects such as bridge and wharf construction, railway sleepers, mining timbers, and power poles. It is also employed in general construction for house framing, cladding, flooring, lining, joinery, and fencing. Its natural resistance to decay in damp or poorly ventilated conditions makes it ideal for retaining walls, landscaping, and outdoor furniture. The timber is particularly prized for its durability and aesthetic appeal in both structural and decorative applications.
Workability of Gympie Messmate Timber
Gympie messmate is a strong and durable timber that machines, turns, and dresses well. It readily accepts paint, stains, and polish, providing a smooth and refined finish. Fixing with standard fittings and fastenings poses no issues, though pre-boring is recommended due to its density. Like other high-density species, surface preparation should be completed immediately before gluing. The sapwood absorbs preservatives effectively, but the heartwood is too dense for conventional impregnation treatments.
Durability of Gympie Messmate Timber
Gympie messmate is highly resistant to decay and performs exceptionally well in ground contact or damp conditions. Its durability makes it a reliable choice for both structural and outdoor applications. While its sapwood is treatable, the heartwood’s natural resilience reduces the need for additional preservation measures.
Origin and Availability of Gympie Messmate Timber
Gympie messmate is native to Queensland, with its most notable populations found near Gympie. The timber is primarily sourced from plantations and native forests within the state. Although it is not as widely available outside its origin, it remains a sought-after material for projects requiring a balance of strength, durability, and aesthetic appeal.
Gympie messmate combines strength, durability, and a distinctive appearance, making it an excellent choice for a wide range of structural, landscaping, and decorative applications.
Very Low | Low | Medium | High | Very High | |
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Tangential : | 6.00% | ||||
Radial : | 3.40% | ||||
Unit Movement Tangential: | 0.37% | ||||
Unit Movement Radial: | 0.21% |
Very High | High | Reasonably High | Medium High | Medium | Reasonably Low | Low | Very Low | |
Unseasoned: | S1 | S2 | S3 | S4 | S5 | S6 | S7 | S8 |
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Seasoned: | SD1 | SD2 | SD3 | SD4 | SD5 | SD6 | SD7 | SD8 |
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Structural No. 1 | Structural No. 2 | Structural No. 3 | Structural No. 4 | Structural No. 5 | |
Unseasoned: | F27 | F17 | F14 | F11 | F8 |
Seasoned: | F27 | F22 | F17 | F14 | F11 |
Seasoned: | 955kg/m3 |
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Unseasoned: |
Very High | High | Reasonably High | Medium | Low | Very Low | |
Unseasoned: | J1 | J2 | J3 | J4 | J5 | J6 |
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Seasoned: | JD1 | JD2 | JD3 | JD4 | JD5 | JD6 |
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White, yellow, pale straw to light brown | Pink to pink brown | Light to dark red | Brown, chocolate, mottled or streaky | |
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Modulus of Rupture - Unseasoned: | 94 MPa |
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Modulus of Rupture - Seasoned: | 137 MPa |
Modulus of Elasticity - Unseasoned: | 14 GPa |
Modulus of Elasticity - Seasoned: | 17 GPa |
Maximum Crushing Strength - Unseasoned: | 49 MPa |
Maximum Crushing Strength - Seasoned: | 73 MPa |
Impact - Unseasoned: | 21 J |
Impact - Seasoned: | 13 J |
Toughness - Unseasoned: | Medium - 15 - 24 Nm |
Toughness - Seasoned: | Medium - 15 - 24 Nm |
Hardness - Unseasoned: | 7.7 |
Hardness - Seasoned: | 12 |
Low | Moderate | Reasonably High | High | |
(0 - 5 yrs) | (5 - 15 yrs) | (15 - 25 yrs) | (more than 25 yrs) | |
In-Ground: | ![]() | |||
(0 - 7 yrs) | (7 - 15 yrs) | (15 - 40 yrs) | (More than 40 yrs) | |
Above ground: | ![]() | |||
(0 - 20 yrs, usually < 5) | (21 - 40 yrs) | (41 - 64 yrs) | (More than 60 yrs) | |
Marine Borer Resistance: |
Lyctid Borer Susceptibility: | Noy Susceptible |
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Lyctid Borer Susceptibility - Other: | |
Termite Resistance: | Resistant |
1 - non-combustible | 2 - reasonably non-combustible | 3 - slightly combustible | 4 - combustible | |
Fire Properties Group |
AGroup Number - Other: | 3 if used on MDF or particleboard ≥12mm; veneer thickness 0.6-0.85mm |
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Average Specific Extinction Area: | <250 |
Bushfire Resistance: | BAL 12.5 and 19 – All AS3959 required applications |