Timber frame is the world’s most popular building technique. It has been used successfully for hundreds of years, whereas brick and block construction has only been widespread since the 1930’s.
According to the Timber Research and Development Association, over 40% of the population of the developed world live in timber frame housing. In Canada and the US, 90% of low-rise buildings use timber technology. The figure in the UK for new build is presently just 10% (Source: TRADA 2002 Yearbook)
However, a growing interest in energy efficient, environmentally friendly housing along with increased pressure from the British government on builders to comply with stricter building regulations means timber frame is growing in popularity as a construction method. By 2005–6, it is estimated that over 20% of all new houses being built in the UK will be timber frame.
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It is a common misconception that you are at greater risk if you have a fire in a timber frame building. The origin of most fires is generally unrelated to the construction materials used and most casualties are caused by the inhalation of smoke and toxic gases emitted from the contents of the building.
Timber chars and burns rather than buckling and crumbling, as steel frames and masonry products do when exposed to extreme heat. A timber frame structure is therefore maintained during a fire and afterwards, which reduces the risk from collapse. Certain insulation materials (eg Warmcel®) are also highly flame-retardent, slowing the spread of any fire.