Timber in joinery

Joinery is the non-structural use of wood, such as windows, doors, cladding boards, skirting boards, door linings, staircases and architraves. It also includes decking components such as decking boards, handrails and banisters, as well as solar shading. Joinery is known as 'internal' for applications inside a building and 'external' when exposed to the weather.

This Wood Information Sheet (WIS) introduces a number of concepts important to joinery including the related British Standards and the importance of specifying timber which has been supplied and stored at the correct moisture level and installed in conditions which will maintain it at that level.


  • Introduction to BS EN 942
  • Specifying timber in joinery
  • Natural durability and wood preservation

This Wood Information Sheet was reviewed in April 2016 and minor corrections were made.

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