A gambrel shed roof involves significantly more angle cuts than a gable roof but provides more storage space in the attic.
Framing a gambrel shed roof.
To make your own trusses angle cut the 2 4 pieces for the upper slope to the desired length.
Shed framed with gambrel trusses building a gambrel shed truss when you are designing your shed roof whether it be a gambrel gable or saltbox you should never have any roof pitch less than a 3 12.
It will also have a 2 x 8 ridge beam and a 2 x4 x8 h stud wall with everything on 16 centers.
Lay down the piece of plywood in an area with ample space.
This piece of plywood represents the dimensions for your roof and will serve as an assembly site for your rafters.
This design offers the most storage space for a storage shed provided the side walls are 6 foot or more.
Framing a gambrel roof shed.
By bruce toms river n j i am building a 8 x 12 shed with 2 x 8 floor frame and gambrel style rafter truss 5 h with ceiling joist that will be overhanging the 8 wall plate 3 on each side.
This style has two slopes as opposed to the gable or saltbox designs.
Lay a piece of 10 ft 5 ft 3 0 m 1 5 m plywood on the floor.
This means that for every 12 horizontal run you must have at least 3 of rise.
Attach the components to the gambrel ends and secure them to the framing with 3 1 2 galvanized screws after drilling pilot holes.
Detailed guide to building a gable roof for your shed.
Installing the roofing sheets attach 3 4 tongue and groove plywood to the roof trusses following the pattern shown in the image.