Gambrel Roof Details

A gambrel style shed roof offers the most storage space in the attic when compared to a gable or saltbox style shed roof.

Gambrel roof details.

A gambrel or barn style roof is simply a gable roof with a change in slope partway up the roof. The project architect briefly discusses the basics of gambrel roof design. Besides its unique appearance a gambrel roof also serves to maximize the usable floor space in the attic area. Gambrel roofs are symmetrical with two slopes on each side of the roof.

A gambrel roof is a popular roof style on many contemporary barns and sheds. If you plan on building and installing your own gambrel roof you ll have to draw out plans first to determine the proper dimensions. On each side the truss has two slopes the one on top is at a shallow angle the other one is longer and steeper. Also most gambrel roofs require a kneewall to support the knuckle or the joint between the upper and lower roof slopes.

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. Gambrel roof framing geometry calculator inch this gambrel roof fits in a semicircle and starts as the top half of an equal sided octagon. With overhang selected drag slider to increment decrement birdsmouth seat width to suit. Gambrel roofs can be a challenge.

Move slider or directly enter angle to alter sweep angle of lower rafters and change the shape. Gambrel roof trusses the gambrel roof trusses are symmetrical and their shape in elevation could be described as one half of an asymmetrical octagon.