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Western Red Cedar

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Botanical Name: Thuja plicata

Western Red Cedar is one of North America's great renewable resources. 

Slow grown and naturally durable, Cedar has one of the longest life spans of any North American softwood.  It can produce long lengths of clear timber with true straight grain, it is free from pitch and has natural resistance to decay.  Its low density gives an excellent insulation value superior to most species. 

Lightweight, easy to work with, easy to finish, easy to stain, possessing outstaning dimensional stability, Western Red Cedar is the perfect material for exterior cladding applications.

Western Red Cedar is PEFC certified.

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Product information

Technical Information

Durability

Western Red Cedar is one of the world’s most durable species.  With natural resistance to moisture, decay and insect damage, Cedar remains the premier choice for timber cladding.  Fibres in the timber contain natural preservatives that are toxic to decay-causing fungi.  Cedars durability is class 2, which is classed as ‘durable’.  Cedar will weather to a silver grey colour if left untreated over a period of time, but if this is not your preference Cedar is very receptive to most stains.

Dimensional Stability

Cedar is hygroscopic and will absorb or discharge moisture to attain equilibrium with the surrounding atmosphere, however, it has a very low shrinkage factor and is superior to all coniferous species in its resistance to warping, twisting and checking.

Thermal Conductivity / Acoustic Properties

Wood is an excellent thermal insulator.  This is an important characteristic since good thermal insulators keep buildings cool in the summer and help retain heat in the winter.  An important acoustic property of timber us its ability to dampen vibrations.

Density

Cedar is one of the lightest commercial softwoods available and if Kiln Dried has a density as low as 330-390kg per m3.  Cedars low density enhances its insulation value and makes it an east wood to handle, distribute and work with.

Workability

Western Red Cedar produces long lightweight lengths of timber with a fine straight grain making this specie easy to cut, saw, machine and fix.  Again Cedar is one of the best species available for accepting paints, stains, oils and various treatments.  Cedar takes most fasteners without splitting and is easily nailed.

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