Roof Truss Spacing Pole Barn

Roof trusses are engineered to be strong in plane with the roofing on the top chord.

Roof truss spacing pole barn.

Pole barn builders have historically requested trusses every 4. Pole barn construction spaces the trusses 8 feet apart or even up to 12 feet apart depending on the building design. Especially when steel roof truss spacing is concerned some engineers would argue that it is possible to only have a roof truss spacing of four feet off center even eight feet has been suggested. It all comes down to engineering.

Many post frame or pole barn construction use 8 foot spacing between trusses. They are spaced every four feet. Typically larger trusses 72 and 80 were two ply. Post frame roofs in severe weather conditions.

Typically pole barn style buildings in my area have bays distance between trusses of 5 feet to 12 depending on pitch insulation and height. At the time pole barn builders were unable to hang or lift the trusses without any bending bowing. If purlins are laying flat on top of the truss 5 or 6 feet is the max on 2x4 s edge up can go to 12 feet or more. Code requirements do not dictate this.

Truss design programs safely design up to 16 span. Truss spacing for metal roof. They are easily damaged when laying on their side. Of course local building codes and regulations may also determine how many trusses and the spacing necessary for each post frame structure.

Attic trusses are great for living space or storage space. Beware of kits that space their pole barn trusses more than 4 on center. One sign of a cheaply made pole barn is trusses that are spaced over 4 on center. Pole barn truss spacing.

Large span trusses require multiple pickup points using a spreader bar on the crane. In the 1980s post frame construction companies commonly used 60 single ply trusses. For example you might use a 35 spreader bar on a 70 span truss. Pole barn roof truss spacing generally tens to operate according to similar spacing principles though there are some proponents of having higher pole barn roof truss spacing.

With traditional stick frame construction the trusses are usually spaced 2 feet apart. For many traditional stick frame builders trusses spaced 8 feet apart seems unnatural but thanks to the ingenuity of modern engineering it is a very common building design. Each do it yourself pole barn kit sold by diy pole barns includes wood pole barn trusses ranging anywhere from 12 feet to 40 feet wide depending on the structure.