What is gable roof type?

Gabled roofs are the kind young children typically draw. They have two sloping sides that come together at a ridge, creating end walls with a triangular extension, called a gable, at the top.

thisoldhouse.com - Roof Shapes: Gable, Hip, L-Shaped & More - This Old House

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All roofs, even ones that look flat, need to slope to some degree so that snowmelt and rainfall can drain off. But beyond that basic requirement, architects and builders have a lot of leeway, and they’ve used that creative freedom to invent a wonderful array of roof designs. From gable to mansard, read on to learn about the various roof shape types that add character and style to homes.

Gable Roof Shapes

Gabled roofs are the kind young children typically draw. They have two sloping sides that come together at a ridge, creating end walls with a triangular extension, called a gable, at the top.

Gable Roof

The house shown here has two gable roofs and two dormers, each with gable roofs of their own. The slant, or pitch, of the gables varies, an inconsistency that many builders try to avoid.

False-Front Gable

This house appears to have two gable roofs, but only if you drive by quickly. The real roof has a very low pitch. The gables are false fronts, similar to the showy facades often found on small commercial buildings. Their only purpose is to change the look of the house.

L-Shaped Gable

Gabled roofs take many forms, including this L shape. When the floor plan calls for a T-shaped house, the roof is called "cross-gabled." If one of the sloping sides ends in a wall that's shorter than the wall on the other side, it's a "saltbox." There are also terms to distinguish gabled roofs that show their slanting side on the front ("side-gabled") from those where the pointed wall is prominent ("front-gabled").

Gambrel

Gambrel roofs are a type of gabled roof. Commonly associated with Dutch building traditions and barns, they break each sloping roof section into two parts—one close to the ridge that is relatively flat and one closer to the eaves that drops down steeply. This design makes maximum use of space under the roof.

Shed

Shed roofs, shown on the three dormers of this house, slant in only one direction. They fall within the basic category of gabled roofs, provided you think of them as half-gables. Shed roofs are easy to build because all rafters are identical.

Gabled but Curved

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Because most gabled roofs consist of flat sections, you can cover them with virtually any roofing material. Gabled roofs with eyebrow dormers, shown here, or other curved details are the exception. Shingles made of wood, stone, tile or metal work fine. But metal roofing that comes in panels isn’t suitable.

Curved

Curved roofs usually require a lot of skill and time to create today, but when builders had only primitive tools and natural building materials, it was often easier to bend branches into curved shapes than to force them into straight lines. Perhaps that's why curved roofs, even this slate-covered example, often take on a look that resembles thatch.

Octagon

Octagon roofs have eight sides, as the term implies. Builders often choose this shape when they need to roof a building that’s round or nearly round. Instead of dealing with the awkward fractions that another shape might require, they simply divide 360 degrees into half, then half again, then half a final time, winding up with the 22 1/2-degree angle that’s needed to build an eight-sided roof.

Hip

Hip roofs slope back from all four sides. If that’s all there is to the roof, the roof winds up looking interesting and yet it is still free of complications, such as valleys where leaves collect. Hip roofs can also be linked up to fit L-shaped buildings or combined with gabled roofs, such as on this house.

Mansard

Mansard roofs are a type of hip roof where each sloping section is divided in two. To create maximum space under the roof, the section near the walls rises steeply. Then the roof continues at a milder pitch toward the center. Standing on the ground, you see only the steep section and may think that the house is flat on top. Mansard roofs are common on buildings with styles borrowed from France.

thisoldhouse.com - Roof Shapes: Gable, Hip, L-Shaped & More - This Old House

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