Appearance of Red Cedar Timber
The heartwood of Red Cedar varies from pale pinkish red to deep reddish brown, contrasting with the paler pink or yellow sapwood. Its texture is rough and uneven, with a usually straight grain that can sometimes be slightly interlocked, lending a unique "fiddleback" effect popular in veneers and paneling. Visible growth rings and a distinctive, aromatic scent that repels moths further enhance its appeal.
Common Applications of Red Cedar Timber
Red Cedar’s aesthetic qualities make it ideal for internal, appearance-based applications. It is commonly used in decorative veneers, paneling, and furniture, with additional uses in boat building and carving due to its workability and beautiful finish.
Workability of Red Cedar Timber
Soft and highly workable, Red Cedar nails and glues effectively. It can be painted, stained, and polished to a fine finish, although its rough texture may require extra preparation. The wood is easy to dry but care is needed to avoid cupping. Additionally, precautions should be taken during machining, as Red Cedar sawdust may cause irritation in some individuals.
Origin and Availability of Red Cedar Timber
Kosny Timber sources Red Cedar sustainably from native forests and select imports. Though scarce in Australian forests, Red Cedar’s exceptional appearance and workability make it a prized choice for high-end interior projects.
Very Low | Low | Medium | High | Very High | |
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Tangential : | 4.50% | ||||
Radial : | 1.90% | ||||
Unit Movement Tangential: | 0.22% | ||||
Unit Movement Radial: | 0.10% |
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: | F7 | F5 | F4 | ||
Seasoned: | F8 | F7 | F5 | F4 |
Seasoned: | 420kg/m3 |
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Unseasoned: | 820kg/m3 |
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: | 47 MPa |
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Modulus of Rupture - Seasoned: | 72 MPa |
Modulus of Elasticity - Unseasoned: | 9 GPa |
Modulus of Elasticity - Seasoned: | 9.2 GPa |
Maximum Crushing Strength - Unseasoned: | 25 MPa |
Maximum Crushing Strength - Seasoned: | 36 MPa |
Impact - Unseasoned: | 5 J |
Impact - Seasoned: | 5.5 J |
Toughness - Unseasoned: | |
Toughness - Seasoned: | |
Hardness - Unseasoned: | 2.1 |
Hardness - Seasoned: | 3.1 |
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: | Susceptible |
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Lyctid Borer Susceptibility - Other: | |
Termite Resistance: |
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |
EFH Spread-of-Flame Index: | |||||||||||
EFH Smoke-Developed Index: |
Bushfire Resistance: | Not Tested |
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