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Search results with tag "American lumber"
WCD1 - Details for Conventional Wood Frame Construction
www.awc.orglumber used as joists, rafters, and decking. These values enable determination of allowable spans for the lumber. Grading rules for various softwood and certain hard-wood species are written by regional rules writing agencies, which operate within the system, established by the American Lumber Standards Committee (ALSC) un-
American Softwood Lumber Standard
www.alsc.orglumber. It includes the organization and func-tions of the American Lumber Standard Com-mittee, the Board of Review, and the National Grading Rule Committee. Commercial names of the principal softwood species, definitions of terms used in describing standard grades of lumber and commonly used industry abbrevia-tions are also provided.