NV C-17C Drywall Practice Questions - Nevada C-17C Drywall Contractor Examination Exam

A gypsum partition runs 40 feet in an uninterrupted straight plane. What control-joint rule applies?

One control joint at mid-height is enough, even if the wall is 40 feet long Install control joints because the run exceeds 30 linear feet No control joint is required until 60 feet Control joints are required only on ceilings

Correct Answer:

Install control joints because the run exceeds 30 linear feet

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