A roof with two slopes on each of its four sides – a steep and nearly vertical slope on the outside and a gentle nearly flat slope on the top. Further, the outside slope may be described as concave mansard roof slope is curved inwards, convex mansard roof where the slope is curved outwards to create a bulging look, or straight-sided mansard roof when steeply pitched on the sides to be straight or almost straight in appearance. Photo from Easton, Pennsylvania, 2023. (Kremer, 2023)
Photo from Buffalo, New York, 2011.