What is the thickness of the gypsum board used on a curved wall?

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

Answer: (B)

Gypsum board used on curved walls is typically designed to be thinner and more flexible, allowing it to conform to the contours of the wall. A thickness of 1/4 inch is common for this application. It provides the right balance of strength and flexibility, making it easier to install on curves without cracking or breaking. Thinner boards are preferable for bending and ensure a smoother finish on the curves. This choice aligns with standard building practices for creating aesthetically pleasing and well-finished curved surfaces in construction. The other thicknesses, such as 1/8 inch, 3/8 inch, and 1/2 inch, may not provide the necessary flexibility or durability for effective use on curved walls in most scenarios.