The design values for visually graded and mechanically graded Hem-Fir (N) dimension lumber have been updated in response to the routine assessment of strength and stiffness to ensure reliable performance in structural applications.
The following Frequently Asked Questions provide detailed information about the updated design values, their implementation, and practical implications. This content is provided as general information only and is not intended to be relied upon for design decisions. For actual use and design implications, users of Hem-Fir (N) should consult the applicable design guides or specifications




