All buildings available to purchase on our website will have to be fitted onto a firm, flat and level base to prevent any issues with installation or in the future. Typically there are many different types of base that are suitable for this building, these include Concrete Bases, Paving Slabs, Timber Bases and many more. Whilst all of these options are suitable when level, we recommend the use of ProBase - ProBase is an ultra-strong interlocking plastic base capable of holding the weight of more than several tons. ProBase provides a cheaper and easier alternative to the concrete base, with additional benefits such as drainage and swift delivery prior to your building arriving. For cosmetic purposes, more tiles can be purchased should you wish to have a border round the outside of the building to improve the look of the base.