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Across the grain
The direction at right angles to the length of the fibres and other longitudinal elements of the wood.
WA Sheoak | Allocosuarina fraseriana
WA Sheoak is a hardwood used for flooring, furniture, roofing shingles, turnery and decorative purposes.
WA Sheoak is a hardwood used for flooring, furniture, roofing shingles, turnery and decorative purposes.
Other Names: Casuarina fraseriana
Overview
WA Sheoak is a hardwood that, as its name suggests, grows on the south coast of south-west Western Australia. It is used for flooring and paneling, roofing shingles, furniture, decorative woodwork and turnery, and before the invention of the aluminium cask it was used in the manufacture of beer barrels.
The heartwood of WA Sheoak is red-brown and the sapwood is pale yellow. The texture is moderately even and fine, and the grain is straight. The medullary rays are not as prominent as those of River Sheoak and Rose Sheoak.
WA Sheoak is easy to work. It is susceptible to lyctid borer.
The timber is available in limited quantities in Western Australia.
Properties
Shrinkage
| Very Low | Low | Medium | High | Very High | |
Tangential: |
|||||
| 4.5 | |||||
| Radial: | 2 - 3 | ||||
| Unit Movement: |
1.2 % |
Strength Group
| Very High | High | Reasonably High | Medium High | Medium | Reasonably Low | Low | Very Low | |
| Unseasoned: | S1 | S2 | S3 | S4 | S5 | S6 | S7 | |
| Seasoned: | SD1 | SD2 | SD3 | SD4 | SD5 | SD6 | SD7 | SD8 |
Stress Grade
| Structural No. 1 |
Structural No. 2 |
Structural No. 3 |
Structural No. 4 |
Structural No. 5 |
|
| Unseasoned: | F8 | F7 | F5 | F4 | |
| Seasoned: | F14 | F11 | F8 | F7 | F5 |
Density per Standard
| Unseasoned: | 0 kg/m3 |
|---|---|
| Seasoned: | 720 kg/m3 |
Joint Group
| Very High | High | Reasonably High | Medium | Low | Very Low | |
| Unseasoned: | J1 | J2 | J3 | J4 | J5 | J6 |
| Seasoned: | JD1 | JD2 | JD3 | JD4 | JD5 | JD6 |
Colour
| White, yellow, pale straw to light brown | Pink to pink brown | Light to dark red | Brown, chocolate, mottled or streaky | |
Mechanical Properties
Durability
| 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: |
Not Susceptible |
|---|
Fire Properties
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | |
| EFH Ignitibility: |
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |
| EFH Spread-of-Flame Index: |
|||||||||||
| EFH Smoke-Developed Index: |
| 1 - non-combustible | 2 - reasonably non-combustible | 3 - slightly combustible | 4 - combustible | |
| Fire Properties Group Number: |
| Average Specific Extinction Area: |
<250 |
|---|---|
| Bushfire Resistance: |
BAL 12.5 and 19 – Door and window joinery only |
Description
| Botanical Name: | Allocosuarina fraseriana |
|---|---|
| Preferred Common Name: | WA Sheoak |
| Other Names: | Casuarina fraseriana |
| Species Type: | Hardwood |
Appearance
The texture of WA Sheoak is moderately even and fine, and the grain is straight. It has a red brown heartwood and the sapwood is pale yellow. The medullary rays are not as prominent as those of River Sheoak and Rose Sheoak.
Common Applications
WA Sheoak is used for furniture, flooring and paneling, roofing shingles, turnery and decorative woodwork.
Common Form
Sawn
Workability
WA Sheoak is easy to work.
Origin of Timber
WA
Readily Available
WA
Availability - Further Information
Limited quantities of WA Sheoak are available in Western Australia.
Source of Timber
Native Forest
Applications
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External Cladding
The natural appeal, versatility and strength of timber makes it the superior choice for external cladding. Through specification, planning, design and finishing processes, timber cladding not only creates a building of superior strength, acoustic and thermal performance but also creates a place of beauty, style and natural appeal.
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Flooring
Whether for structural or finished flooring applications, timber offers durability, versatility and adaptability. The warmth, strength and natural beauty of timber flooring has proved enduringly popular in a wide variety of interior settings.
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Internal Paneling
Timber paneling creates interiors as warm as they are stylish. Commonly utilising an MDF or plywood substrate, internal timber paneling is natural and versatile and comes as either solid natural timber panels or as sheets of engineered wood products
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Timber Shingles and Shakes
A shingle, generated from a sawn piece of timber is characterised by its relatively smooth face and back, while in contrast a shake, essentially a split piece of timber, is dominated by a strongly textured surface.
Case Studies
Suppliers
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Australian Timber Products Pty Ltd (Austim)
Austim is Perth's largest importer and stockist of exotic timbers. We are a market leading supplier of quality timber based products, sourced from many global regions
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Britton Timbers
Britton Timbers comprises timber processing, manufacturing & distribution operations for export & domestic sales of quality Australian & imported timber products from its Tasmanian operations & national distribution centres in Melbourne, Sydney & Brisbane
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