Visual grading standards and EN14081-1
Visual strength grading of timber can be done to a wide range of grading rules – many of which are national standards. However, in Europe, […]
EN338
What is C16+?
C16+ (pronounced C16 plus) is a strength class developed by us to get the most out of the real properties of home-grown spruce. It is […]
Strength classes you won’t find in EN338
Not all strength classes are listed in EN338. Here are the main characteristic properties of some strength classes that appear in machine settings tables for […]
Strength classes C and T
The 2016 version of EN338 brought a few changes. One of these changes was the addition of a table of tension strength classes (T classes). […]
Timber2019
The 3rd in my treelogy of talks entirely based on pun titles – the most egregious one of all.“Grading and abetting – does timber strength […]
Grading of home grown timber (summary)
Yesterday I spoke at the “Green Drinks” organised by SEDA and AECB. (The other main speaker was Nick Marshall, coordinator of the Association of Scottish […]
A quick summary of timber strength grading
The physical and mechanical properties of wood vary hugely – not just between species, but also within species, from forest to forest, between trees in […]
Grade in Britain revisited
This blog post follows on from our first Grade in Britain blog post, back in April 2016. Much of that is still relevant, but we […]
UKTGC website
The UK Timber Grading Committee now has a website: http://uktgc.org.uk Being brand new, it is still very much a work in progress and we welcome […]
The strength of tiling battens (UK)
BS 5534:2014+A2:2018, the UK code of practice for slating and tiling for pitched roofs and vertical cladding, contains rules for visual grading of tiling battens. […]