What thickness is specified for the gypsum board used in shower ceilings with water-resistant properties?

What thickness is specified for the gypsum board used in shower ceilings with water-resistant properties?

• A. 1/4 inch
• B. 3/4 inch
• C. 1/2 inch
• D. 5/8 inch

Answer: (C)

Moisture-resistant gypsum board used in a shower ceiling is typically chosen in the standard thickness for ceilings, which is one-half inch. This thickness provides enough rigidity to support tile and accessories without being overly heavy or difficult to install. Thicker boards, like five-eighths or three-quarters of an inch, are usually reserved for special fire-rated assemblies or extra stiffness, while one-quarter inch is too thin to reliably support tile and resist damage in a wet area. So, the specified thickness is one-half inch.

Moisture-resistant gypsum board used in a shower ceiling is typically chosen in the standard thickness for ceilings, which is one-half inch. This thickness provides enough rigidity to support tile and accessories without being overly heavy or difficult to install. Thicker boards, like five-eighths or three-quarters of an inch, are usually reserved for special fire-rated assemblies or extra stiffness, while one-quarter inch is too thin to reliably support tile and resist damage in a wet area. So, the specified thickness is one-half inch.