ProBase Quickfit Shed Bases are designed to provide a firm long lasting base for garden buildings. Each kit comprises a number of super strong, heavy-duty grids made from 100% recycled plastic. Each kit comes with a heavy duty weed resistant membrane cut to size. ProBase are lightweight and simple to install, simply interlock the grids. ProBase is suitable for all garden buildings including timber sheds, plastic sheds, workshops, summerhouses and log cabins.