The ends may alternately attach to the base flashing where a change in roof slope occurs.
Mansard flat roof design.
The lower ends of the pans are typically hooked over an edge strip to form a drip.
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Mansard is a four sided roof with double slopes on each side so its sides can either be curved or flat.
Mansard roofs are for the most part based on standing seam or batten seam construction.
You can consider gambrel roof to be a modified version of a gable roof.
If you are not familiar with a gambrel roof then let us first explain its architecture in brief.
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.
There is a sort of visible distinction between flat roofs and mansard roofs.
It depends upon what type of design customer wants to implement.
Mansard roof type of roof having two slopes on every side the lower slope being considerably steeper than the upper.
But you cannot misunderstand them as straight panel roofs.