Western Red Cedar - Thuja plicata
Introduced into Britain in 1852 by William Lobb where it now naturally regenerates. This is the major method of restocking.
Cedar is renewable and biodegradable and sourced from the most sustainable managed forests in Britain and the world.
Like all woods, Western Red 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 other coniferous woods in its resistance to warping, twisting and checking.
Wood is an excellent thermal insulator. This is an important characteristic since good thermal insulators help keep the building cool in the summer and reduces heating costs in the winter. Cedar is a low density timber having the highest thermal insulating value of all commonly available softwoods. It is far superior to brick, concrete and steel.
The sound damping capacity of wood is more than most structural materials. Western Red Cedar is particularly effective in this regard and can be used to help reduce noise or confine it to certain areas.
Flame spreading ratings describe the surface burning characteristics of interior finishes. Cedars flame spread rating and smoke developed classification compare well with the ratings of many of the species of both softwood and hardwood. Because of its favourable performance, Western Red Cedar can be used for interior finish in some building applications where other species would not be permitted.
Cedar is a durable softwood that is naturally resistant to rot, decay and insect attacks. Evidence of cedars durability are the many artefacts still in good condition today.
Properly finished and maintained, cedar will deliver decades of trouble free service. If exposed for prolonged periods of conditions where decay could be a factor, such as where the wood is in contact with the ground, cedar should be treated with suitable preservatives.