The 6x4 metal sheds with floor support kit are constructed from zinc-plated steel that has been finished with a clear resin bonding for protection and is offered with a manufacturers 10 year guarantee against rust. For extra security, the lockable double sliding doors are fitted on the inside of this model. We will also supply you with stainless steel screws and an anchor kit, including expansion bolts for fixing down to your base or paved area. This 6x4 yardmaster pent metal shed is not supplied with a shed floor, as by design fixing down to a solid surface is required. Screwed self-assembly is required for the 6x4 metal sheds with floor support kit. A floor support metal frame kit is included with this product and is designed to support a wooden floor (not supplied). IMPORTANT! Overall product size is to the maximum at roof level, the size reduces at the wall/base level to the size listed in the specification grid.