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