Mansarda
1963
A mansard or mansard roof is a multi-sided gambrel-style hip roof characterised by two slopes on each of its sides, with the lower slope at a steeper angle than the upper, and often punctured by dormer windows. The steep roofline and windows allow for additional floors of habitable space (a garret), and reduce the overall height of the roof for a given number of habitable storeys. The upper slope ... Wikipedia