An update on grading timber for structural use
In This Series
Hugh Mansfield-Williams and Daniel Ridley-Ellis take a look at the recent changes in standards.
Article from Timber 2017 Industry Yearbook
This Wood Information Sheet explains the legal basis behind CE marking and the requirement to comply with the EU Construction Products Directive. The role of 'Harmonised standards' and CE marking in demonstrating compliance with the CPD is discussed.
Products which can be CE marked to Harmonised Standards currently...
Philip O'Leary, head of TRADA Technology's Structural Investigations team, highlights his concerns about a lack of understanding in the industry about timber strength grading issues.
Timber as a natural material, is inherently variable, even within a single species. Strength grading of softwood and hardwood overcomes this, by assessing the...
Philip O'Leary makes the case for using 'BS 5534' roof battens.
Article from the TRADA Timber Industry Yearbook 2013