How is a Mansard Roof Structured?
The roof has the same basic structure as a gable roof, except for the two gable ends. The fourth wall of a Mansard roof is perpendicular to the one of a normal gable.
For this to be possible, the slope of a Mansard roof is shallower than that of a normal gable. The side walls are set at the same angle as a normal gable roof.
An additional angle of about 20 degrees is added to the slope of the roof. The roof has one sloping side facing south and another sloping side facing west. This structure is used for building storehouses, and mansard roofs are often seen in France.
