Metal Horse Barns The metal horse barn is the most versatile and had the highest amount of configuration available. Initially geared more towards agricultural use this type of building is finding its way more and more into suburban areas used in combination of vehicle storage and enclosed areas for workshops or to cover storage needs. The metal eagle barns are composed of 3 sections, the center section and a lean-to on each side. They can all be customized to be enclosed or fully open depending on you individual needs.