Reference : Grading Rules
All documents listed here are downloadable PDFs.
NELMA is one of only seven organizations 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 complete grade rule book, the 2006 Standard Grading Rules for Northeastern Lumber, online for easy reference and general understanding of the lumber and timber grades. Refer to the following sections below for specific information to view or download:
Section 6: Beams & Stringers, Posts and Timbers
Section 8: Design Value Tables
Section 9: Measurement of Characteristics





