Gambrel Attic Truss Design

Note that the gambrel style roof allows for a larger attic space with a 9 ft.

Gambrel attic truss design.

This series of diagrams shows just how the second floor lays out in each of our six different truss widths. Check overhang to calculate rafter overhang equal to the lower level cut at the full rafter depth. 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 or barn style roof is simply a gable roof with a change in slope partway up the roof.

Because of the number of bends in these trusses each one is custom made to specifically fit the roof that it will be installed within. In stock at plant and ready for immediate pickup. Outline of gambrel roof trusses. 28 gambrel attic truss with a 24 12 lower pitch and 7 12 upper pitch with 12 overhang.

Save design time build time and money with trusses built in long production runs. Gambrel roof trusses are a popular style used often in barn or garage construction. Hip sets are used to construct hip roofs which are roofs that slope from all sides. This system consists of a girder truss corner girder corner jacks and end jacks.

The frontier style of building design makes it so that many types of building use gambrel roof trusses. Well let s face it it s a very attractive roof design but there are practical considerations as well. Besides its unique appearance a gambrel roof also serves to maximize the usable floor space in the attic area. The truss is a framework consisting of rafters posts and struts which supports your roof.

Gambrel roof truss plans are extremely appealing yet it is much more useful too. To calculate a gambrel roof select gambrel roof from the roof type dropdown list or click on the appropriate toolbar button to calculate a. Click to add item 26 spreadweb residential roof truss 6 12 pitch 87 to the compare list. Furthermore the particular line of the gambrel roof is not constrained to animal dwelling places and capacity structures.

Shop our wide selection of stock and custom roof trusses to complete your building project. Due to the overall height the truss is manufactured as a piggyback truss to allow for transportation. With no interior walls or support posts our engineered gambrel truss design optimizes useable upstairs interior space. Move slider or directly enter angle to alter sweep angle of lower rafters and change the shape.

As we will see below there are several different types of designs and this will impact the angles and designs of the overall truss. The double bend in the trusses makes for a more spacious area that affords more usable square footage than the average roof truss.