WWPA provides publications on specifying Western softwood species lumber products and subscription statistical reports on softwood lumber production activity. WWPA provides lumber inspection services and grader training to lumber producers in the U.S. West.
WWPA is accredited by the American Lumber Standard Committee as a lumber rules writing agency and inspection agency. WWPA also serves Redwood lumber mills and manages the Redwood Inspection Service (RIS) grade marks and grade rules for Redwood lumber. The WWPA and RIS grade marks meet the PS 20 American Softwood Lumber Standard and are accepted by all U.S. building codes.