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

Water-resistant (often green-face) gypsum backing board is best described as:

Waterproof and approved for continuous immersion Water-resistant, not waterproof, and limited by IBC 2509 in wet locations A substitute for Type X in every fire-rated wall An exterior weather-exposed siding

Correct Answer:

Water-resistant, not waterproof, and limited by IBC 2509 in wet locations

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