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

How does Type C gypsum board differ from Type X?

Type C is regular board with a foil back Type C is a proprietary enhanced Type X formulation used in specific listed designs, often at the same or a reduced thickness Type C is a cement board for showers Type C means the board may be used only on ceilings

Correct Answer:

Type C is a proprietary enhanced Type X formulation used in specific listed designs, often at the same or a reduced thickness

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