Design Values News

New design values for ALL sizes and grades of visually graded Southern Pine dimension lumber were published in the Southern Pine Inspection Bureau's (SPIB) Supplement No. 13 to the 2002 Standard Grading Rules for Southern Pine lumber on February 11, 2013.

The new design values became effective June 1, 2013 to provide an orderly transition. The PDF’s below represent new design values which have been incorporated with a new Southern Pine glulam beam and headers brochure and all of the new span and design tables for visual and mechanical grades.

Click on the links below to download and read important news on lumber design values.