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Rule Book Supplements and Edits
July 2021 Print Changes:
2021 Rule Book - Section 432 / Patio 2 / Worm-Eaten Pitch
April 2022 Print Changes:
2021 Rule Book - Section 103.3 / Density and Rate-of-Growth / Medium Grain
2021 Rule Book - Appx. A Tables 10 & 11 / Design Values for Mixed Southern Pine
November 2022 Print Changes:
2021 Rule Book - Section 422 & 423 / Timber Breaks Radius Edge Decking
2021 Rule Book - Section 431 & 432 / 1-inch Knot Displacement
2021 Rule Book - Section 210.1 / Addition of No.1 & No.3 Grades
2021 Rule Book - Section 739 / Removal Occasional Pieces
March 2023 Print Changes:
2021 Rule Book - Section 716 / Manufactured Holes in the Same Cross Section
2021 Rule Book - Section 750 & 751 / Wane Dip on the Ends
Approved / Pending Print Changes