A system for constructing a reassemblable structure is disclosed. The system comprises a plurality of wall panels, a plurality of roof panels, a plurality of floor panels, at least one readjustable support device adapted to be adjusted to multiple positions, a plurality of skirt panels coupled below at least one floor panel and supported by the at least one readjustable support device, a plurality of load-bearing members coupled to the wall panels, a plurality of load-bearing members coupled to the wall skirt panels, at least one floor support suspended between two load-bearing members coupled to the skirt panels and supporting the plurality of floor panels, and at least one roof support suspended between two load-bearing members coupled to the wall panels and supporting the plurality of roof panels