Cowichan Gold Western Red Cedar Boards

From £13.97 £11.64 per linear metre

Cowichan Gold boards are produced from fine-grained, old-growth Western Red Cedar wood fibre, sourced from forests in the coastal regions of British Columbia.

Cowichan Gold, is almost entirely knot-free, all heartwood, and all vertical grain. These are the highest quality Western Red Cedar boards available anywhere.

Available in 5 widths, Cowichan Gold boards have a multitude of uses. As a façade material, they are ideal for creating board-on-board or open jointed styles of cladding. Cowichan Gold boards are also perfect for providing the finishing touches and details that make truly stunning buildings. Uses include fascia, barge boards, door and window reveals, and corner trim. When used in landscaping and garden design, Cowichan Gold boards make striking fences and horizontal slatted screens.

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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  • Product Name: Cowichan Gold Western Red Cedar Boards
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Cowichan Gold Western Red Cedar Boards

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

Cowichan Gold Western Red Cedar is manufactured to the highest production standard in the industry by Terminal Forest Products, a family-owned and operated company founded in 1962. Terminal has built an enviable reputation throughout the sawmill industry as a leader in quality and consistency. 

Product Details

  • Sizes: 18 x 140mm / 18 x 184mm / 18 x 235mm / 18 x 286mm.
  • Grade: Clear Heart Vertical Grain.
  • Profile: Board.
  • Surface texture: SAWTEX™ fine sawn texture on the face (for optimal coating performance), smooth planed on the rear.
  • Moisture content: Kiln-dried at source to 12–15%.

Key Properties

  • Colour: Palette of rich, warm wood tones, which vary from light amber to dark reddish-brown.
  • Vertical grain (VG): Vertical grain wood has superior properties to flat grain. It has better dimensional stability, better resistance to UV degradation, very low surface cracking and checking, and better finish absorption and retention qualities.
  • 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 330 to 340 kg/m3 when kiln-dried (12-15% moisture content).
  • Thermal properties: Wood generally is an excellent thermal insulator, but Western Red Cedar has a particularly good insulation value because of its low wood density. Its coefficient of thermal conductivity (k) is 0.11 W/m °C at 12% moisture content.
  • Acoustic properties: Western Red Cedar is particularly effective when used as interior panelling to dampen vibrations and absorb sound.
  • Kiln-dried: Cowichan Gold Western Red Cedar is kiln-dried, giving it many advantages. The process improves dimensional stability, permits the immediate application of a coating, and enables installation with minimal site acclimatisation.
  • Grading: Cowichan Gold is virtually knot-free, all heartwood, and all vertical grain, making it the highest grade of Western Red Cedar available anywhere. Read our Cowichan Gold Grade & Quality Description here.
  • Sourcing/certification: Western Red Cedar is sourced from the most sustainably managed forests in the world in British Columbia, Canada, and comes with 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.
  • Factory coating service: Cowichan Gold boards up to 184mm in width can be supplied factory coated, enabling installation at any time of year, regardless of the weather or temperature. Please Contact Us for a quotation.
  • Western Red Cedar corner solutions: Select from our l-shaped, solid square or 2-piece co-ordinating corner trims.

For more detailed information, view our full range of Western Red Cedar Cladding.

Size Linear Metre
18 x 89mm -
18 x 140mm £11.64£13.97
18 x 184mm £16.15£19.38
18 x 235mm £21.56£25.87
18 x 286mm £26.94£32.33


  • Size: 18 x 89mm
  • Coverage: 94mm
  • Linear metres per square metre: 10.64
  • Size: 18 x 140mm
  • Coverage: 145mm
  • Linear metres per square metre: 6.90
  • Size: 18 x 184mm
  • Coverage: 189mm
  • Linear metres per square metre: 5.29
  • Size: 18 x 235mm
  • Coverage: 240mm
  • Linear metres per square metre: 4.17
  • Size: 18 x 286mm
  • Coverage: 291mm
  • Linear metres per square metre: 3.44
All coverage includes 2mm gap


Grade & Quality

Cowichan Gold Grade & Quality Description.

Technical Specification Sheet

Cowichan Gold Board Technical Specification Sheet.

Timber delivery charges vary based on the products you have ordered, the location of your delivery, the value of your order and the delivery service you require.

Silva own vehicle delivery – Our cheapest timber delivery service with goods expertly delivered by a member of our team on our own vehicles. Priced at £45 + VAT, orders are typically fulfilled within 7 working days*. Available to selected postcodes only.

Haulier delivery – Our haulier delivery service is for areas not covered by our own vehicles. Lead-times for this service are guaranteed between 5-7 working days, subject to stock availability. Prices start from £95 + VAT.

Saturday deliveries – please call for a quote.

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

You can view our delivery charges and services here.

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

* Typical lead-time for our Silva own vehicle service is 5-7 days although this is not guaranteed. Please allow up to 14 days for delivery especially at peak times.

** Exclusions apply. See Delivery Information tab for further details.

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