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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Lumber Size Categories

This blog is the second in a series of articles intended to provide information about softwood lumber, including grade-marking, design properties, testing, and continued monitoring of the lumber resource. American Softwood Lumber Standard There are several ways to classify lumber which are spelled out in the American Softwood Lumber Standard – Voluntary Product Standard PS […]

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