, membrane structures, tennis bubbles, frame supported fabric structures, tents, temporary structures, portable structures, vinyl structures, tension structures, tensile structures...Welcome to Membrane Structure Solutions, Inc. August 2006: MSS, Inc. announced the completion of the installation of the largest span air supported structure ever constructed... in the world - 215m x 215m x 45m high (705 x 705 x 150 high). The structure was installed over a waste disposal site, 45m deep (150) in South Korea. Click here! air structures...