While the sides typically come in the either flat or curved.
Mansard roof structure.
After the initial popularity the mansard roof was revived during the re building of paris and became an extremely fashionable feature in architecture for most of the buildings during the second empire 1852 1870 a period during the rule of napolean iii.
Simply put the mansard roof also known as the french roof or curb roof is a hybrid between a gambrel roof and a hip roof.
It depends upon what type of design customer wants to implement.
But you cannot misunderstand them as straight panel roofs.
Mansard means the attic or space inside the roof structure rather than just the shape of the roof.
Mansard roofs are for the most part based on standing seam or batten seam construction.
A mansard or mansard roof also called a french roof or curb roof is a four sided gambrel style hip roof characterized by two slopes on each of its sides with the lower slope punctured by dormer windows at a steeper angle than the upper.
If you are not familiar with a gambrel roof then let us first explain its architecture in brief.
There is a sort of visible distinction between flat roofs and mansard roofs.
Here are the real advantages.
The lower ends of the pans are typically hooked over an edge strip to form a drip.
The steep roof with windows creates an additional floor of habitable space a garret and reduces the overall height of the roof for a given number of habitable stories.
The lower slope has steeper gradient than the upper one.
Mansard is a four sided roof with double slopes on each side so its sides can either be curved or flat.
You can consider gambrel roof to be a modified version of a gable roof.