Which roof design typically has a peak with two slopes that are different on each side?

The gambrel roof design is characterized by its distinctive peak and two slopes that are different on each side. This design often resembles a barn roof, featuring a steeper upper slope and a gentler lower slope on each side. This unique shape allows for increased headroom and usable attic space, making it particularly popular in agricultural buildings and for residential structures seeking a classic Americana style.

While gable roofs also have a peak and slopes, they typically have equal slopes on both sides, and hip roofs feature slopes on all four sides that rise to meet at the top, giving them a more uniform appearance. Flat roofs, on the other hand, are level and lack the sloped design seen in gambrel roofs. Therefore, the gambrel roof stands out for its specific slope characteristics, allowing for greater functional and aesthetic benefits.