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 […]
Standards
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 […]
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 […]
Updates to EN14081-3,-2 and EN384
There is a proposed new version of EN14081-3 out for Enquiry, mostly to provide proper integration of the updated output control rules (compared to the […]
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 […]
Countries, nations and standardised areas
EN14081-2 is the standard that governs machine controlled strength grading of timber in Europe. A new version of this was published in 2018, and in […]
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 […]
CE marking and UKCA marking – no deal preparations
Since our last post on Brexit, in which we mentioned the new UK conformity mark to replace the CE mark, The UK Government has updated […]
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 […]
What became of EN14081-4
EN 14081-4 “Timber structures. Strength graded structural timber with rectangular cross section. Machine grading. Grading machine settings for machine controlled systems” is the standard that […]