Cover it with treated 3/4-in. plywood. Bonus: You can also try out one of these easy-to-build shed kits. Start by nailing ...

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 ...

Smith Plywoods. Marine plywood is waterproof, and available in both fir and mahogany at Smith Plywoods, which is home to one ...