Following its decision last January to implement new design values for visually graded No.2 and lower grades of 2x4 Southern Pine, the American Lumber Standard Committee (ALSC) has approved new standards for No.2, 2x4 Dense and NonDense grades. The new size category includes material that is 2 ins. to 4 ins. thick and 2 ins. to 4 ins. wide. The effective date is June 1, 2012.

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