A type of wall that extends above the roof line of a building is a:

• A. Curtain wall
• B. Non-bearing wall.
• C. Parapet wall
• D. Partition wall

Answer: (C)

Extending above the roofline is what identifies this wall type. A parapet wall rises past the top of the building, forming a barrier around the edge of the roof. This feature helps protect rooftop areas and can serve as a fire barrier to slow or limit vertical or horizontal fire spread at the roof level, while also concealing equipment or roof openings. By contrast, a curtain wall is a lightweight exterior facade attached to the frame and typically ends at the roof, not continuing above it; a non-bearing wall is defined by not supporting structural loads; and a partition wall is an interior divider. So the characteristic that it continues above the roof makes it a parapet wall.