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 […]
visual grading
An update to EN1912
Contact Dan Ridley-Ellis if you have any comments or can help with what is described below. Visual strength grading of timber is carried out according […]
More on growth rings and density
Are growth rings useful for predicting density? Project report and poster by Alexandre Monseau, with additional commentary by Marlene Cramer and Dan Ridley-Ellis “Currently studying […]
Visiting researcher Fiona O’Donnell
Fiona O’Donnell, a PhD researcher from the University of Massachusetts Amherst, is spending the summer with us as a visiting researcher. The topic is the […]
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 […]
Grade stamps – who done it
The grade stamp on structural timber from Europe must say who the manufacturer is – by means of the name, logo or both. In the […]
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. […]