Gambrel Roof Form
Form and function of roof types.
Gambrel roof form. 1677 78 peter tufts house. The origin of the gambrel roof form in north america is unknown. Move slider or directly enter angle to alter sweep angle of lower rafters and change the shape. The oldest known gambrel roof in america was on the second harvard hall at harvard university built in 1677.
With a gambrel roof is the c. A gambrel or barn style roof is simply a gable roof with a change in slope partway up the roof. Check overhang to calculate rafter overhang equal to the lower level cut at the full rafter depth. Possibly the oldest surviving house in the u s.
Mar 27 2015 explore siyu liu architect s board gambrel roof on pinterest. See more ideas about gambrel gambrel roof roof design. A gambrel roof is a popular roof style on many contemporary barns and sheds. The gambrel structure allowed a wider roof span which provided extra habitable space in the attic.
What is a gambrel roof. Move slider or directly enter angle to alter sweep angle of lower rafters and change the shape. This gambrel roof confines to a semicircle and starts as the top half of an equal sided octagon. Check overhang to calculate rafter overhang equal to the lower level cut at the full rafter depth.
It is also commonly seen on dutch colonial style homes and indeed was referred to as a dutch roof throughout the 18 th century. A less common form of gambrel roof with a curved lower roof slope with supporting curved soffits and thick tiles. This form evolved over several decades of adapting authentic 18th century dutch colonial architecture to the necessities of the time. Here s a gambrel roof diagram.
Image by symon parsley. To calculate a gambrel roof. The top sides are not as steeply sloping as the bottom sides. If you plan on building and installing your own gambrel roof you ll have to draw out plans first to determine the proper dimensions.
Besides its unique appearance a gambrel roof also serves to maximize the usable floor space in the attic area. A roof shape following an ogee curve. Gambrel roof the gambrel roof is one that most people might recognize as being a stereotypical roof found on a barn log cabin or farm house. Gambrel roof framing geometry calculator inch this gambrel roof fits in a semicircle and starts as the top half of an equal sided octagon.
A gambrel roof is a gable roof design with 4 sides instead of 2 sides.