Western Red Cedar (Thuja Plicata Donn ex D.Don)
Technical Specification:
Western Red Cedar is a common tree in the Pacific Northwest coastal and interior regions of British Columbia, Canada. It is a large tree and when mature, up to 60 metres tall and 2.5 metres in diameter. The tree is one of the longest lived and most decay-and insect-resistant softwood species in North America.
Western Red Cedar has the unique, natural performance characteristics and exceptional beauty that bring warmth, character and longevity to homes and commercial buildings around the world. Western Red Cedar is renowned for its naturally occurring resistance to moisture, decay and insect damage.
Its natural durability, dimensional stability and exceptional beauty enable greater design flexibility for a wide variety of Exterior and Interior uses.
JSC Western Red Cedar is the ultimate Green Building material. It is responsibly and sustainably harvested in the publicly managed forests of British Columbia, Canada.
All producers are in the process, or have achieved certification under one or more independent third party certification systems (PEFC, CSA, SFI, FSC).
Physical Properties:
Density | Green Air Dry | 528 - 544 370 - 385 |
|
| Specific Gravity | Standard | 0.33 |
| Hardness | Side End | 1470 3000 |
MOE (Mpa)
| Green Air Dry | 7241 8270 |
| MOR (Mpa) | Green Air Dry | 36.5 53.8 |
| Compression Parallel (Mpa) | Air Dry | 33.9 |
| Compression Perpendicular (Mpa) | Air Dry | 3.43 |
| Shear (Mpa) | Air Dry | 5.58 |
Shinkage OD = Ovendry AD = Air Dry 12% | Radial (OD) Tangential (OD) Volumetric (OD) Volumetric (AD) Tang/Rad ratio | 2.1% 4.5% 7.9% 4.9% 2.1 |
| Durability | Heartwood | Durable to NZBC/B2 Class 2 for above ground use. |
| Recommended Fasteners | | Corrosion Resistant to NZBC/B2 |