The American Lumber Standard Committee (ALSC) board of review has approved new design values for No.2 2×4 southern pine Dense and NonDense grades, with an effective date of June 1, 2012. This size category includes material that is 2 to 4 inches thick and 2 to 4 inches wide.

“The new design values for No.2 Dense and No.2 NonDense apply only to Southern Pine lumber,” says Cathy Kaake, senior director of engineered and framing markets for the Southern Forest Products Association (SFPA). “Mixed Southern Pine does not have published Dense and NonDense grades,” she adds.

Minutes of the ALSC board of review’s March 9 executive session along with previous ALSC rulings are available on the New Design Values page of Also available from this page is Supplement No.9 to SPIB’s 2002 Standard Grading Rules for Southern Pine Lumber, plus a revised table providing the new design values. An updated questions and answers document will be available soon.

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