Treatability of press-dried loblolly pine 2 by 4’s

Plantation-grown loblolly pine 2 by 4’s were either kiln-dried or press-dried and then pressure-treated with chromated copper arsenate, type C. Gain-in-weight retentions of all sapwood specimens and specimens containing up to 15 percent heartwood were compared for the two drying methods. Press-drying resulted in small but statistically significant increases over kiln-drying for both sapwood 2 by 4’s and heartwood-containing 2 by 4’s.

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