Definition of a commercial modular building:
A standing structure or enclosure composed of multiple prefabricated sections, or modules, which are combined together in a systematical format allowing relative ease of assembly, quick installation and the ability to move the structure as a whole, in units or in its original unassembled sections for later reassembly and reuse.

On-frame or off-frame modular buildings:
Commercial modular buildings are typically built off-frame, in which the structure is secured onto a concrete surface (or similar solid surface). This may include an elevated concrete slab or a flush foundation. These types of modular buildings are assembled on location after the prefabricated modules are shipped by flat-bed (or other means) to the site. An off-frame modular building tends to look like a permanent structure. In some applications most people can not tell whether it is permanent or temporary. Continue reading…