Strength grading of timber explained
The paper “Strength grading of sawn timber in Europe: an explanation for engineers and researchers” by Dan Ridley-Ellis, Peter Stapel and Vanesa Baño is now published (online […]
EN338
The mysterious “TG1”
This week, the committee known as “TG1” met to evaluate some new settings for machine grading and visual grading assignments for EN1912. TG1 stands, simply, […]
Grading standards update (!!)
For the following, it may be helpful to refer to the CEN webpages that explain the various stages of drafting standards. The formal vote on […]
EN338 – what’s happening with grades?
EN338 is a European Standard that specifies strength classes of structural timber (grades with numbers attached for use in design). It is not the only […]
What is TR26?
TR26 is a structural timber grade in common, long standing, use in the UK for trussed rafters. It doesn’t appear in EN338 because it is […]