Lifetime 6424 30 Inch Shed Extension Kit with Window, Fits 8 Feet Wide Sheds Easily extends your shed by 30" Steel reinforced dual wall High Density Polyethylene construction for superior strength and durability Includes: wall panels, floor panel, roof panels, one window and high grade hardware Only compatible with Lifetime 8 Foot sheds that do not have a full-length ridge skylight Attractive appearance and design; Backed by a 10-year limited manufacturer warranty 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