The steep slope of the A-frame roof is designed to help heavy snow to slide to the ground, instead of remaining on top of the house and weighing it down. At the same time, the sloped roof provides two other benefits. It creates a half floor at the top of the house which can be used for lofts or storage space, and, since the roof extends down to the ground and doesn’t need to painted, it minimizes the amount of exterior maintenance required on the house. On the other hand, the sloped roof creates a triangular “dead space” at the base of the walls on each floor. A-frame houses have limited living space and are usually built as vacation cottages for the mountains or beach.