Gambrel Roof Details

Gambrel roofs can be a challenge.

Gambrel roof details.

To calculate a gambrel roof select gambrel roof from the roof type dropdown list or click on the appropriate toolbar button to calculate a gambrel roof. The project architect briefly discusses the basics of gambrel roof design. Check overhang to calculate rafter overhang equal to the lower level cut at the full rafter depth. A gambrel or barn style roof is simply a gable roof with a change in slope partway up the roof.

Also most gambrel roofs require a kneewall to support the knuckle or the joint between the upper and lower roof slopes. A gambrel roof is a popular roof style on many contemporary barns and sheds. Move slider or directly enter angle to alter sweep angle of lower rafters and change the shape. The guidelines i am about to explain for you outline the steps i use when i am designing my gambrel shed plans barn shed plans and small barn plans.

Gambrel roof framing geometry calculator inch this gambrel roof fits in a semicircle and starts as the top half of an equal sided octagon. Gambrel roof trusses the gambrel roof trusses are symmetrical and their shape in elevation could be described as one half of an asymmetrical octagon. On each side the truss has two slopes the one on top is at a shallow angle the other one is longer and steeper. A gambrel style shed roof offers the most storage space in the attic when compared to a gable or saltbox style shed roof.

With overhang selected drag slider to increment decrement birdsmouth seat width to suit. Besides its unique appearance a gambrel roof also serves to maximize the usable floor space in the attic area.