NV C-4E Drywall Practice Questions - Nevada C-4E Drywall Contractor Examination Exam

Per IBC 2018 Section 2504.1.1, what is the minimum nominal thickness of wood supports for gypsum board?

1 inch in the least dimension 4 inches in the least dimension 2 inches in the least dimension Nominal 1x2 furring is always acceptable as the only support

Correct Answer:

2 inches in the least dimension

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