Lifetime 0125 30" Shed Extension Kit 11' x 30", kit includes all wall, roof, and floor panels and installation hardware. Easily extend your shed by 2.5 feet Dual-wall High Density Polyethylene construction Made in the USA and backed by a 10-year limited manufacturer warranty Attractive appearance and design Extend your shed by 2 1/2 feet with this easy addition. Molded wood-grain wall panels Simulated shingled roof Steep roof allows for quick drainage of rain and snow Secure-fastened assembly ensures stability and durability