We produce all sizes of airplane hangars to accommodate your craft. Our steel frames support large spans and height for clearance. Bi-folding doors,swing out,or sliding doors can be engineered into the aviation building frame. We also have available the very best of quality engineered bi-fold door systems. These buildings and doors are designed for specific snow, wind, and seismic conditions for your area. 770-7818279 larry@lthsteelstructures.com