There are several different roof types, including:
1. Gable roof: also known as a pitched or peaked roof, this is a very common type of roof that forms an upside-down V shape.
2. Hip roof: this type of roof has a gentle slope on all four sides and forms a ridge at the top.
3. Mansard roof: also known as a French roof, this type of roof has four sloping sides with a double-slope on each side.
4. Flat roof: as the name suggests, a flat roof has no slope and is often used in modern architecture.
5. Gambrel roof: this roof has a symmetrical two-sided roof with two slopes on each side.
6. Shed roof: this type of roof is a single-pitched roof that slopes in one direction.
7. Butterfly roof: this type of roof has an upward angle in the middle, resembling the wings of a butterfly.
8. A-frame roof: this roof is shaped like an A and is most often used in vacation cabins and cottages.