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 ...

plywood. Bonus: You can also try out one of these easy-to-build shed kits. Start by nailing together ... set them aside so ...

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.