InterNACHI Deck Inspector Practice Questions - InterNACHI Certified Deck Inspector Exam

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For a deck with a 14-foot joist span, DCA-6 requires 1/2-inch lag screws into a 2-inch nominal band joist to be spaced no further apart than what on-center distance?

9 inches o.c. 13 inches o.c. 18 inches o.c. 24 inches o.c.

Correct Answer:

13 inches o.c.

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