To hold them up until the decking of the roof is placed on top a 12 foot 1 inch by 4 inch piece of lumber is used.
How to support shed roof.
Another thing you can do inside your garden shed is installing additional support beams underneath the roof.
You will also want to consider the roof slope so that the building fits in with other buildings in the neighborhood and works well with the selected roof covering.
This will ensure a more even weight distribution on the four walls and enable the structure to better handle the motions of the roof.
Essentially you will be building a series of triangular shaped trusses based on the pitch of your roof.
Usually trusses are put 24 inches apart.
In addition you may want to incorporate a shed loftwithin the roof space or a shed skylightto maximise the light in the shed.
A gable style roof is considered to be the easiest type of shed roof framing to work with.