Framing Details For Gambrel Roof

Shed gable hip gambrel and mansard.

Framing details for gambrel roof.

Together with the traditional gable roof and often seen shed roof gambrel roof is also a common type of roof both for small house plans as well as bigger houses barns and other buildings. A gambrel roof is a popular roof style on many contemporary barns and sheds. Gambrel roofs can be a challenge. 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. Check overhang to calculate rafter overhang equal to the lower level cut at the full rafter depth. Move slider or directly enter angle to alter sweep angle of lower rafters and change the shape. Move slider or directly enter angle to alter sweep angle of lower rafters and change the shape.

Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult. Dealing with two roof pitches instead of one seems to complicate matters disproportionately. Gambrel roofs are symmetrical with two slopes on each side of the roof. Another common design in the northeast is the saltbox which is a gable roof with one longer side.

Gambrel roof framing geometry calculator metric this gambrel roof confines to a semicircle and starts as the top half of an equal sided octagon. Also most gambrel roofs require a kneewall to support the knuckle or the joint between the upper and lower roof slopes. Gambrel roof framing geometry calculator inch this gambrel roof fits in a semicircle and starts as the top half of an equal sided octagon.