Line the roof of your shed with a piece of plywood wrapped in waterproof butyl lining. This will protect the roof of the shed from any potential water damage. Lift the wooden frame into place.

In addition, the roof is pitched in only one direction to shed water, and the back wall is sheathed with 1/2-inch CDX plywood ...

Connect the framing for site-built trusses with plywood gussets glued and screwed to the joints. If you decide to build your own roof trusses, the best place to assemble them is right on the shed ...