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

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Which of the following is a recognized IBC 2018 Table 2509.2 tile backer in a tub or shower, and which common gypsum product is not?

Glass-mat gypsum backing (ASTM C1178) is listed; paper-faced water-resistant gypsum backing is not a Table 2509.2 shower-wall base Regular 1/2-inch wallboard is listed; glass-mat is not Foil-backed Type X is listed; cement board is not Gypsum lath is listed; fiber-cement backer is not

Correct Answer:

Glass-mat gypsum backing (ASTM C1178) is listed; paper-faced water-resistant gypsum backing is not a Table 2509.2 shower-wall base

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