In the 1980s post frame construction companies commonly used 60 single ply trusses.
Pole barn roof truss spacing.
Pole barn construction spaces the trusses 8 feet apart or even up to 12 feet apart depending on the building design.
Hundreds of thousands of pole barns are in use today with trusses spaced every 12 feet or even more.
Typically larger trusses 72 and 80 were two ply.
Attic trusses are great for living space or storage space.
Post frame roofs in severe weather conditions.
With traditional stick frame construction the trusses are usually spaced 2 feet apart.
At the time pole barn builders were unable to hang or lift the trusses without any bending bowing.
Of course local building codes and regulations may also determine how many trusses and the spacing necessary for each post frame structure.
Large span trusses require multiple pickup points using a spreader bar on the crane.
Trusses 2 o c trusses can also be set 4 o c for steeper roof pitch appeal but eliminating attic storage and flooring building 1 and building 2 building 3 for similar attic area pics.
Pole barn truss spacing.
The more ply or layered material the stronger the truss.
Many post frame or pole barn construction use 8 foot spacing between trusses.
For example you might use a 35 spreader bar on a 70 span truss.