There is a sort of visible distinction between flat roofs and mansard roofs.
Mansard flat roof design.
A mansard roof on the château de dampierre by jules hardouin mansart great nephew of françois mansart 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.
Mansard is a four sided roof with double slopes on each side so its sides can either be curved or flat.
The ends may alternately attach to the base flashing where a change in roof slope occurs.
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Mansard roof is also known as a french roof or curb roof is a four sided gambrel style hip roof characterized by two slopes on each of its side.
It depends upon what type of design customer wants to implement.
You can consider gambrel roof to be a modified version of a gable roof.
But you cannot misunderstand them as straight panel roofs.
In cross section the straight sided mansard can appear like a gambrel roof but it differs from the gambrel by displaying the same profile on all sides.
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.
Mansard roofs are for the most part based on standing seam or batten seam construction.