Gambrel Roof Connector Systems
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 connector systems. Besides its unique appearance a gambrel roof also serves to maximize the usable floor space in the attic area. The varied roof lines that are possible with stick frame homes can also enhance curb appeal and market value for some homebuyers. A gambrel or barn style roof is simply a gable roof with a change in slope partway up the roof. If a gambrel fits in well with the historical character of the area in which you re building then it s a win all around.
Move slider or directly enter angle to alter sweep angle of lower rafters and change the shape. Simpson strong tie category roof truss and rafter connectors ties and straps for cold formed steel construction. To calculate a gambrel roof select gambrel roof from the roof type dropdown list or click on the appropriate toolbar button to calculate a. The gm40 gambrel has an approximate 4 12 pitch and 17 degree upper section and a 7 12 30 degree lower section the gb5630 has a 7 12 pitch and 30 degree slope.
Picture is of the quick framer kit which makes a gambrel style roof. A gable roof has only two rafter or truss chord angles a top cut at the peak and a bottom cut at the walls. A gambrel style is often called a barn roof. The gm20 gambrel has a 5 12 pitch and 23 degree slope on the upper section and 7 12 30 degree on the lower section.
Fast framer universal framing kit. Can i use multiple kits in a row to create a longer space. Check overhang to calculate rafter overhang equal to the lower level cut at the full rafter depth. The gussets top in the gambrel system above designed by the author create a three hinged arch out of each frame which simplifies the load analysis significantly.
If you plan on building and installing your own gambrel roof you ll have to draw out plans first to determine the proper dimensions. Gambrel roofs are symmetrical with two slopes on each side of the roof. A gambrel roof on the other hand not only gives you very nearly a full second story but it also creates a small attic in the upper triangular portion of the roof where you can run wires and ductwork. This connector system has been on the market for quite awhile it s not something new.
Hardware is required at only three points as opposed to nine different joints in the roof assembly of a traditionally framed gambrel making the system considerably easier to build. A gambrel roof is a popular roof style on many contemporary barns and sheds. Fast framer ez up connectors.