Canadian Western Red Cedar – Thuja plicata

Imported Western Red Cedar is commercially grown in Canada and the Coastal Pacific North West of the USA.  It is very slowly grown with a close fine straight grain and is predominantly a red/brown colour. It is an extremely stable timber with a very low shrinkage factor and it is also resistant to warping and twisting, and it is naturally resistant to decay and insect attack. When exposed to rain and sunlight, Western Red Cedar will go an attractive silver grey colour.  Its low density makes Western Red Cedar an excellent material for thermal insulation. Rated as durable, the heart wood will give a service life in excess of 60 years out of ground contact.

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Tech Specs

Botanical Name : Thuja Plicata

Wood Type : Softwood

Origin : Western Canada and North America

Sustainability : From well managed forests usually PEFC

Durability : Durable Class 2 as per BS 8417

Stability : Very low shrinkage, warping and twisting

Density : 330 to 390kg/m3

Thermal Conductivity Rating (U Value):

0.11 W/m2 K

Availability : Sawn, planed and profiled products in a wide range of thicknesses and lengths

Typical Available Grades in the UK : No. 2 Clear & Better, No. 4 Clear

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