The Northeastern Lumber Manufacturers Association (NELMA) is the rules writing agency for Eastern White Pine lumber and the grading authority for Eastern Spruce, Balsam Fir, Spruce-Pine-Fir (SPFs) grouping, and other commercially important eastern softwood lumber species. NELMA’s technical program provides design values and other essential specification information for architects and the building design profession, all available from the Association’s extensive print library and also online.
