structural joists and planks

Definition

Construction

• lumber 2", 3", or 4" thick and 6" or wider, graded for its strength properties. Such planks are used primarily for joists in residential construction and graded, in descending order, select structural, #1, #2, and #3. The #1 and #2 grades are usually marketed in combination as #2 & Better.

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Contexts for “structural joists and planks”

1 definition in context
• Construction