Wood Specified Strength and Grading

Determining real size of lumber members, visual grading, machine stress rated lumber, grading of glulam, finding specified strengths of wood members in CSA O86.

All clause numbers given for O86-14. Equivalents for O86-19:
O86-14 --- O86-19
Table 6.2.2.1 --- Table 6.3
Table 6.3.1A --- Table 6.4
Table 6.3.1B --- Table 6.5
Table 6.3.1C --- Table 6.6
Table 6.3.1D --- Table 6.7
Table 6.3.2 --- Table 6.8
Table 7.3 --- Table 7.2

Copyright Notices:

Slide content courtesy the Canadian Wood Council (CWC). Thanks to Dr. Y.H. Chui (University of Alberta) for some additional slide content.

With the permission of Canadian Standards Association, (operating as "CSA Group"), 178 Rexdale Blvd., Toronto, ON, M9W IR3, material is reproduced from CSA Group standard CSA 086:14 and CSA 086:19, Engineering design in wood. This material is not the complete and official position of CSA Group on the referenced subject, which is represented solely by the Standard in its entirety. While use of the material has been authorized, CSA Group is not responsible for the manner in which the data is presented, nor for any representations and interpretations. No further reproduction is permitted. For more information or to purchase standard(s) from CSA Group, please visit store.csagroup.org or call 1-800-463-6727.