Western Red Cedar Posts

From £17.15 £14.29 per linear metre

Western Red Cedar is famed for its extraordinary beauty, natural durability, and dimensional stability. It exudes warmth, thanks to its richly textured, tactile grain and palette of mellow colour tones, which vary from light amber to dark reddish-brown. 

Cascadia posts are produced for Silva by Terminal Forest Products, a world-class manufacturer of Western Red Cedar products with an unrivalled reputation for quality. The wood fibre is from second-growth logs harvested in coastal forests of British Columbia, Canada. Cascadia posts are produced from superior kiln-dried live knotted Western Red Cedar. They are planed with eased edges.

Cascadia Western Red Cedar posts can be used to build slatted screen fences, board fences, decks, pergolas, gazebos, etc.

Wastage Allowance
Please ensure when ordering that you make an allowance for wastage. We recommend adding an additional 10-15% over and above your initial requirements.

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A wastage allowance of 10% is built-in for your convenience.

Product Details

  • Size: 90 x 90mm.
  • Grade: Appearance.
  • Profile: Post with eased edges.
  • Surface texture: Smooth.
  • Moisture content: Green (not kiln-dried).

Cascadia is sustainably sourced from well-managed forests and supplied with full PEFC chain of custody certification.

Key Properties

Colour: Palette of rich, warm wood tones, which vary from light amber to dark reddish-brown.

Durability: When properly finished and maintained, Western Red Cedar will deliver decades of trouble-free service. It has a decay resistance of durability class 2 (durable) according to the EN 113 standard. 

Stability: Western Red Cedar has excellent dimensional stability because of its low wood density and shrinkage factor. Shrinkage and swelling are minimal, displaying only small movements with changes in humidity.

Density: The wood of Western Red Cedar is light, weighing 370 to 385 kg/m3 when air dry (16% moisture content), and 432 to 533 kg/m3 when green (30 – 60% moisture content).

Grading: Cascadia posts are produced from 'Appearance' grade Western Red Cedar. The grade is characterised by well-interspersed sound tight (live) knots. Read more about grading and quality here.

Sourcing/certification: Western Red Cedar is sourced from the most sustainably managed forests in the world in British Columbia, Canada, and comes with full PEFC certification.

Optional Extras

Coatings: The application of a coating is necessary to protect the wood and optimise its appearance over time. The coating should be applied to all surfaces, including ends, before installation. Choose from our wide range of high-performance wood coating systems.




Size Linear Metre
90 x 90mm £14.29£17.15


Up to 5 weeks.


£45.00 / £95.00 / £145 / POA depending on location.

Free delivery is offered on orders over £2,000 + VAT**.

You can view our detailed delivery charges and services here.

Please note: As with most building supplies, delivery is to the kerbside only.

Scheduled Collection


2-3 weeks.



** Exclusions apply.

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