Mansard

Definition

A roof shape consisting of two superimposed roof lines with the upper level being at a low pitch or almost flat and the lower level at a steep pitch.

Purpose

Mansard roofs are designed to maximize the usable space within a building's attic or upper floors. They provide an aesthetic architectural element and allow for additional living or storage space.

Examples of Use

• Residential buildings: Creating extra living space in the attic or upper floors of homes.
• Historical architecture: Featured in French and Second Empire architectural styles.
• Commercial buildings: Adding a decorative and functional roof structure to increase the building's aesthetic appeal.

Related Terms

• Gambrel Roof: A similar dual-pitched roof style, often seen on barns.
• Hip Roof: A roof with all sides sloping downwards to the walls, usually with a gentle slope.
• Dormer: A window that projects vertically from a sloping roof, often used in mansard roofs to add light and space.

Notes

• Mansard roofs require proper waterproofing and drainage to prevent leaks due to their complex structure.
• They can be more expensive to construct compared to simpler roof designs due to their intricate framing and detailing.
• Mansard roofs are often used in historic renovations to preserve the architectural integrity of older buildings.