There is a new form of building being proposed in our community in Swartz Creek, MI. It is a small building being marketed by Biggby Coffee. It will only employ 3-5 staff at a time so does not need 2 means of egress I am told. There is only one door. The building is modular, the walls are SIP, the building sits above ground on pillars leaving air space underneath, the hot water heater and furnace are located above.Does anyone know the fire rating/safey of this type of structure? It appears a good wind could carry it away. It is marketed as " If business isn't good, simply pick it up and move it."