Evergreen and white post frame standard style barn with a corner porch, 12" overhangs, over-sized garage doors and quality insulation package built by milmar pole buildings.. Pole barn garage. if you love working on cars or other vehicles, a proper garage workshop will make an incredible difference in what you can get done. it’s certainly better than working on cars outside in the elements – but even if you’re currently using a small home garage, a dedicated pole barn garage is a night and day difference! plus. There are three convenient ways to buy a pole barn or post frame building from menards