Lifetime 6422 30 Inch Shed Extension Kit for 8 Feet Wide Lifetime Sheds Easily extends your shed by 30" Constructed of steel reinforced dual wall High Density Polyethylene for superior strength and durability UV-Protected with a high pitched roof to prevent weather damage; backed by a 10-year limited manufacturer warranty Kit includes: wall panels, roof panels, floor panel, and all necessary hardware Made in the U.S.A.