This time, we will provide you with information on rare and unusual roof shapes. These unique shapes are often chosen for aesthetic reasons, heightening the impact of a structure’s style. Due to their distinctive qualities, these types of roofs are often more expensive to repair and replace since they require contractors with specialized knowledge and skills. Below, we discuss nine of these roof shapes.
Bonnet: Bonnet roofs can resemble either gambrel or mansard roofs (see our previous post for these), only in reverse. There are two panes on each side, with different slopes. Unlike gambrel and mansard roofs, bonnet roofs have steep upper panes and low-sloped bottom panes. Bonnet roofs can have two sides (like a spruced-up gable roof) or four sides (like a hip roof). These roofs are popular in specific geographic areas such as Cape Cod and the Northeast but are fairly rare elsewhere.
Saltbox: Homes with saltbox roof styles gained popularity in colonial America, but examples can still be seen today across the country and elsewhere. Saltbox roofs have two sides, like a gable shape, but what makes them unique is that these sides are not equal or symmetrical. The two sides meet at the top ridge but drop down unequal distances. One side is significantly shorter than the other, but equal in width. Most frequently, the slope also differs between the two sides, with one side usually having a much steeper slope.
Butterfly: A butterfly roof is a striking shape arising out of contemporary architecture. It is essentially the reverse of a gable roof, resulting in a shape resembling the insect that lends its name to this roofing style. While two sides rise up to a ridge in a gable roof, the two sides of a butterfly roof slope down into a central valley. This can easily lead to water retention issues and snow pile-ups in colder environments if special care is not taken to ensure positive drainage and regular snow clearance.
Sawtooth: Sawtooth roofs are similar to butterfly roofs in that they have central valleys created by two sides sloping down. However, sawtooth roofs differ in that their valleys are created by the repetition of components sloping up and then down, resulting in a facade resembling the teeth of a saw. The repeating components can be straight or curved and can vary in slope—the only requirement is that they repeat exactly several times. This style is most often seen in commercial roofing, and special care must be taken to ensure proper drainage.
Curved: Curved roofs provide a contemporary stylistic alternative to the straight lines seen in traditional roofing styles. They give a structure a modern, sleek look but require specialized skills and materials to install. Creating and designing such shapes requires experienced architects, structural engineers, and specialized contractors, making them expensive to build and maintain. However, the aesthetic possibilities are endless!
Pyramid: Almost five thousand years ago, the ancient Egyptians figured out that the pyramid shape gives stability to structures of almost any size. The balance of weight and tension makes pyramid shapes and pyramid-shaped roofs very strong. In this, pyramid roofs are closely related to hip roofs; in fact, they are a subset of hip roofs in which all four sides have equal dimensions and slope.
Jerkinhead: Also called half-hip roofs, the origin of this terminology becomes clear with a quick glance at the jerkinhead roof’s shape. The half-hip or jerkinhead roof has four sides. Two are just like those of a gable roof that meet at the top ridge. At both ends of the ridge, you will find a very short hip. This roof shape has the advantage of strength and stability provided by the hip elements and an old-world aesthetic.
Skillion: Skillion roofs are made of one sloped pane. The slope can be steep or low, closely resembling a lean-to. Homes and other structures with skillion roofs often have two or more skillion roofs at varying elevations, giving a very contemporary, modern look and providing opportunities for more windows, allowing for a brightly lit interior.
Dome: Dome roofs look exactly like you might imagine: essentially, the roof is in the shape of half of a sphere. The force distribution in these roofs, if properly constructed, makes them incredibly strong and long-lasting. This is evidenced by structures like the Pantheon in Rome, still standing after thousands of years under the original roof. Dome roofs are rarely seen in residential structures and require very specialized architects and structural engineers for their construction.
We hope this post has opened your eyes to the variety of shapes and styles available in roofing. As always, for all your roofing needs in Flagler, Palm Coast, Bunnell, Daytona Beach, and Deland, call Florida’s Best Roofing at 386-263-7906 for a free estimate!
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