What does “dry-graded” mean?
The concept of dry graded timber is a bit confusing. It is not the opposite of wet grading. Here is an attempt to clarify things: […]
The concept of dry graded timber is a bit confusing. It is not the opposite of wet grading. Here is an attempt to clarify things: […]
Here are the slides from my bit of the BM TRADA webinar on strength grading of timber, Thursday 18 April 2024. This covers machine grading […]
Visual strength grading of timber can be done to a wide range of grading rules – many of which are national standards. However, in Europe, […]
We wrote about the update to EN1912 in November 2019 and November 2022. Standards do take a while to go through the whole revision and […]
It has been a while since we posted about the revision of EN1912, but is time for another update. The draft is now out for […]
Machine strength grading of structural timber in Europe is done mostly under a system called “machine control”. The machine settings are fixed based on large […]
We have pontificated on the direction and implication of Brexit on standards – and in particular on the British Standards Institution’s membership of CEN – […]
The Construction Products Regulation 2011 (CPR) is a European Union (EU) regulation harmonising performance information on construction products across the EU. I’ve written before about […]
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 […]
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 […]
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