Yard Barns Metal Pole Barns are a great option for those looking for a workshop, garage, large storage space or livestock area. Available in sizes 16×20 up to 50×100. All pole barns can be customized including adding a lean-to on any side and enclosing the barn. If enclosed, the options are endless. A garage door can be installed and doors and windows can be inserted. You have your choice of metal colors for the siding, trim, and roof