4 the roof framing consists of seven trusses spaced 24 inches on center with each one composed of an 8 foot long ceiling joist and two 50 inch long rafters that meet a 21 inch long truss support.
Shed gable roof framing.
A gable roof for a shed can be built with rafters with a 1 6 ridge board or using trusses.
Nail 2 boards onto your walls as top plates.
Raise it up horizontally and hold it in place with a 2 4 resting on the floor in the center of the base piece and one at the top center of the truss.
Set a ladder at the outside of both corners of the end wall.
Much depends on the structure size and the desired attic loft or headroom.
Your local building codes may also require the use of hurricane ties for each truss member where it rests on the top plate.
Truss detail of shed.
The members are held together with a 5 8 inch plywood gusset.
Carry a gable end in and set it on the top plate upside down and backwards near the end wall.
Gable shed roof framing a gable style is the easiest to build but offers very little storage in the attic.
Then you will have more storage.
Nail the first boards on top of your wall where you plan to build your roof.
Unless of course you have a very steep pitch on your trusses or rafters.
When you nail in the second boards offset the seams of the upper and lower layers by at least 24 in 61 cm.
A simple gable shed roof is often built using 2 4 or 2 6 lumber for the rafters and 2 4 for the collar ties.