NHLA members have approved several important updates to the 2027 NHLA Rules, including changes to manufacturing language, the reinstatement of Original Construction Grades, and multiple amendments to Cypress grading rules. Learn what passed, what did not, and how these changes will impact hardwood lumber grading standards when the 2027 NHLA Rule Book takes effect in January 2027.

On June 4, 2025, NHLA’s Rules Committee reviewed 17 proposed changes, approving 8 to advance. Proposals include updates to Standard Inspection, Standard Grades, and Cypress grading rules. All approved changes will face an Active member vote this fall, requiring a two-thirds majority, with final updates included in the 2027 NHLA Rules Book.