SPIB inspectors examining southern pine lumber

Nominal Vs Actual Lumber Sizes

Softwood Lumber Sizes To the novice do it yourselfer softwood lumber sizes can be hard to understand. Why isn’t the 2×4 at the lumber yard 2 inches thick and 4 inches wide? The 4×4’s are 3 ½ x 3 ½ and the 1×6’s are ¾ of an inch thick and 5 ½ wide. The first […]

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