Abstract: The present invention provides an integrated composite floor unit and front wall assembly that can be used in a variety of structures. The integrated composite floor unit and front wall assembly is formed of a floor unit having a front portion and a front wall integrally formed with and rising up from the front portion of the floor unit. The assembly can include other structural features and may be easily combined with a number of further structural components to form a structure. In specific embodiments, the assembly forms part of a modular trailer. In particular, the trailer can be formed of the composite assembly, a composite roof, composite side walls, and a composite rear frame. Such composite trailers advantageously provide a storage volume approximately equal to or greater than conventional trailers but are lighter in weight, thus allowing for storage and/or hauling of a greater weight of cargo than in conventional trailers.

Abstract: A shelter comprises a roof, a floor, and a plurality of side walls secured to the floor and the roof. At least one of the floor, the roof, and the plurality of side walls comprises an exterior panel, an interior panel, and an attachment device secured to the exterior panel and the interior panel for relative movement of the exterior panel and the interior panel between collapsed and expanded positions. An associated method of assembling the shelter is disclosed.

Abstract: A shelter comprises a roof, a floor, and a plurality of side walls secured to the floor and the roof. At least one of the floor, the roof, and the plurality of side walls comprises an exterior panel, an interior panel, and an attachment device secured to the exterior panel and the interior panel for relative movement of the exterior panel and the interior panel between collapsed and expanded positions. An associated method of assembling the shelter is disclosed.