THE GRADE RULE BOOK
2021 STANDARD GRADING RULES FOR NORTHEASTERN LUMBER
NELMA is one of six lumber rules writing agencies in the U.S. and Canada accredited by the American Lumber Standard Committee (ALSC) to write grade rules that are certified as conforming to the American Softwood Lumber Standard PS20.
We are pleased to provide our 2021 edition of the Standard Grading Rules for Northeastern Lumber online for easy reference and general understanding of the northeastern lumber and timber grades. A hard-bound book may be purchased from NELMA or refer to the following sections from the grading rules for viewing or downloading: