January 2024 – NEW EDITION
NLGA Special Product Standards
NEW Edition – February 1, 2024
We are pleased to announce that a new edition of the NLGA Special Product Standard SPS2 has been published.
We provide free PDFs of the NLGA Special Product Standards for your personal reference. These files are protected by copyright. You may view, download and print these PDF files for your own use, but may not copy, reprint, publish, distribute or sell them in any format, including electronic, without the written permission of NLGA.
December 2023
We’re moving, effective January 1, 2024.
Our new address is:
National Lumber Grades Authority
420-99 Bank Street,
Ottawa, Ont,
K1P 6B9
November 2023
Erratum No. 3 to the NLGA Standard Grading Rules for Canadian Lumber (2022)
(effective November 29, 2023)
May 2023
Erratum No. 2 to the NLGA Standard Grading Rules for Canadian Lumber (2022)
(effective May 18, 2023)
March 2023
Erratum No. 1 to the NLGA Standard Grading Rules for Canadian Lumber (2022)
(effective March 21, 2023)
March 2023 – NEW EDITION
NLGA Special Product Standards
NEW Edition – March 2023
We are pleased to announce that a new edition of the NLGA Special Product Standards SPS1 and SPS3 have been published.
We provide free PDFs of the NLGA Special Product Standards for your personal reference. These files are protected by copyright. You may view, download and print these PDF files for your own use, but may not copy, reprint, publish, distribute or sell them in any format, including electronic, without the written permission of NLGA.
January 24, 2023 – NEW EDITION
NLGA Standard Grading Rules For Canadian Lumber
NEW Edition – December 2022
We are pleased to announce that a new edition of the NLGA Standard Grading Rules For Canadian Lumber has been published.
Supersedes all previous Editions, Revisions and Supplements
Many of the GR revisions were editorial and/or related to formatting including:
- Edits to clarify text and added references to applicable Interpretations.
- Titles added to all Paragraph numbers and sub-paragraphs consecutively renumbered.
- Tables reformatted and diagrams updated and harmonized.
In addition, the following amendments were made:
- Updates to the NGR paragraphs and NGR Interpretations as per the 2018 NGR edition.
- Ratified responses incorporated into the GR and Interpretations as per the Rat Response TG recommendations.
- New Para. 128a and NLGA Interpretation 2.7.4 with reference to MSR residual lumber.
- Norway spruce updates as per the 2017 NLGA GR – Supplement No. 1
- Inclusion of Supplements Nos. 2 to 5 published since 2017
- Updates to the EU Annex
Copies may be ordered through Publications For Sale on our website.
April 19, 2021
We are pleased to announce that a new edition of the NLGA Canadian Lumber Grading Manual has been published. This edition has been completely revised to include new background, updated grading practices, and new references to the NLGA – Standard Grading Rules for Canadian Lumber.
Copies may be ordered through Publications For Sale on our website.
January 1, 2020
Following a 5-year review, a new version of the NLGA Special Products Standard 4 – Fingerjoined Machine Graded Lumber (SPS 4) has been published effective January 1, 2020. The revisions to the previous November 2014 version include additions to the definitions, addition of new clauses, clarification of existing clauses and appendices, and updated references. All amendments are detailed in the Preface to SPS 4.
Copies can be ordered through Publications For Sale or downloaded as a PDF at Publications For Download on our website. As with all NLGA publications, copyright protects the PDF files – you may view download and print these files for your own use, but may not copy, reprint, publish, distribute, or sell them in any format, including electronic, without the written permission of NLGA.
April 1, 2019
A new version of the NLGA Special Products Standard 2 – Machine Graded Lumber (SPS 2) has been published effective April 1, 2019. The revisions to the previous February 2017 version include an addition to the definitions, clarification edits to various clauses & appendices and updated references. These amendments are detailed in the Preface to SPS 2. Also included are updates to the Ratified Responses to Questions at the end of the document.
Copies can be ordered through Publications For Sale or downloaded as a PDF at Publications For Download on our website. As with all NLGA publications, copyright protects the PDF files – you may view download and print these files for your own use, but may not copy, reprint, publish, distribute, or sell them in any format, including electronic, without the written permission of NLGA.
March 26, 2019
We are pleased to announce that Supplements to the NLGA Standard Grading Rules for Canadian Lumber (2017 edition) have been issued. These Supplements provide updates to the Grading Rules as follows:
Supplement No. 1 amends the list of structural lumber species to include Canadian-grown Norway spruce and adds the U.S. design values for that species.
Supplement No. 2 updates the Machine Graded Lumber provisions in Para. 128.
Supplement No. 3 revises the National Grading Rule for Dimension Lumber (NGR) Glossary and NGR Interpretations in the NLGA Grade Rules as per the NGR revisions approved in November 2018.
Supplement No. 4 updates the European Union (EU) Annex provisions which apply to Canadian lumber exported to the EU.
Please check the Updates under the Publication menu on this website for PDF copies of the Supplements. As with all NLGA publications, copyright protects the PDF files – you may view download and print these files for your own use, but may not copy, reprint, publish, distribute, or sell them in any format, including electronic, without the written permission of NLGA.