Written and published by the Southern Pine Inspection Bureau, this is the definitive source for descriptions of the characteristics allowed in southern pine lumber. Architects, engineers, building officials, retailers and wholesalers, and manufacturers will find this publication essential. General grade characteristics, definitions of lumber for different uses, moisture content and claim procedures are explained. Significant classes of lumber are addressed in specific chapters including: boards, dimension lumber, timbers, machine graded lumber, decking, and scaffold plank. Design values for southern pine dimension lumber are listed in the appendices. The Standard Grading Rules for Southern Pine Lumber are approved by the Board of Governors of the Southern Pine Inspection Bureau and the Board of Review of the American Lumber Standard Committee.