Roofing / Double-pitched roof
Mansard
/ˈmæn.sɑːrd/noun
Named after French architect François Mansart (1598–1666).
Definition
A four-sided roof with two slopes on each side: a steep, often dormered lower slope and a shallow upper slope, creating usable attic rooms.
Fig. 60 — Mansard: schematic studyNOT TO SCALE
Illustrative study — Mansard · AI-generatedSAMPLE IMAGE
Photo study — Mansard · AI-generated00:06
Structural & construction notes
The break between pitches needs careful flashing and framing. Mansards were popular in Paris, where they added habitable floors within height rules.
An educational reference. Project-specific design requires professional guidance.