Mansard roofs are quite similar to Gambrel roofs. Having four roof columns, the roof is quite durable. But is it worth it?

Mansard roofs are quite similar to Gambrel roofs. Having four roof columns, the roof is quite durable. But is it worth it?
Gambrel roofs, almost identical to Mansard roofs, supposedly made their first appearance in the late seventeenth century. The first design is said to have been of Harvard University. However, it cannot be said for sure.These…