Last edited 16 Jun 2018

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BRE Group Researcher Website

Check or checking in timber

BRE (Building Research Establishment) is an independent, research-based consultancy, testing and training organisation, operating in the built environment and associated industries. A guide to the use of urban timber (FB 50) was written by Geoff Cooper and published by BRE on 31 July 2012.

The guide defines 'check or checking' as:

A drying defect which occurs when tensile stresses cause the wood fibres to separate and form narrow cracks. Checks are visible on the surface of a piece of timber but do not extend across the piece.

--BRE Group

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