Gable is the commonest style. The design involves two sides of a roof coming together at the peak to form a ridge. PHOTOs/Ismail Kezaala. The style one settles for relies on a variety of factors.

Ice dams, burst pipes, drafty rooms, dangerously slick stairways — if you live in a chilly climate, you’ve probably had to deal with at least one of these problems at some point. Thankfully, there are ...