Soft Shell stage gives the buyer full flexibility of design without having to build the main structure. It includes the trailer, floor structure and base layer of yellow tongue chip board, wood framed walls with bracing ply, and Tridek SIPs panel roof. These panels consist of polystyrene foam insulation sandwiched between two colorbond sheets. They have an R value of 2.6.
Hard Shell stage involves fitting out to a basic layout and design. It includeS the soft shell stage, further completed with windows, doors, internal wall, mezzanine, plumbing rough in and electrical rough in, or any combination of these that you would require.