Gambrel Roof 32 Foot Span Structural Design

If you have a 10 ft 3 0 m wide shed your roof will be 10 ft 3 0 m wide and 5 ft 1 5 m tall.

Gambrel roof 32 foot span structural design. With no interior walls or support posts our engineered gambrel truss design optimizes useable upstairs interior space. Check overhang to calculate rafter overhang equal to the lower level cut at the full rafter depth. 16 interior clear span. Shop roof trusses spacer floor truss.

10 to 25 clearance on the lower level. Besides its unique appearance a gambrel roof also serves to maximize the usable floor space in the attic area. This series of diagrams shows just how the second floor lays out in each of our six different truss widths. Due to the overall height the truss is manufactured as a piggyback truss to allow for transportation.

For example in the rafter span table below the highlighted cell in the 40 live load table indicates that 2 x 8 southern yellow pine joists that have a grade of 2 that are spaced 24 apart can have a maximum span of 10 feet 3 inches 10 3 if designing for a live load of 40 lbs ft 2. Lay down the piece of plywood in an area with ample space. Move slider or directly enter angle to alter sweep angle of lower rafters and change the shape. The spans in this table are based on a maximum supported rafter span of 16 feet where the supported span is the total horizontal distance spanned by the roof rafters divided in half not the diagonal distance or the length of the rafter.

Due to the 13 6 height restriction and the larger span this trusses lower pitch had to be changed from 24 12 to 22 12 to make the pitch break work. To calculate a gambrel roof select gambrel roof from the roof type dropdown list or click on the appropriate toolbar button to calculate a. 5 2 to 14 clearance in the loft. Well let s face it it s a very attractive roof design but there are practical considerations as well.

32 gambrel attic truss with a 22 12 lower pitch and 7 12 upper pitch with 12 overhang. Heavy timber construction and extra wide posts and beams. So this table could accommodate a house with a total rafter span or house width of 32 feet. A gambrel or barn style roof is simply a gable roof with a change in slope partway up the roof.

This gambrel roof fits in a semicircle and starts as the top half of an equal sided octagon. These barn plans include a 16 wide clear span. Use these two tables for. Use this handy tool to calculate the rake length of your roof.

Steel plate joinery for extra strength. This piece of plywood represents the dimensions for your roof and will serve as an assembly site for your rafters.