0 72 pole barn diy plans. pole barns are relatively easier to build as compared to structures built using typical construction methods. there are a lot of great reasons why it is better to build a pole barn such as easy site adaptability, foundation savings, versatility, and structural stability.. Pole barns don't usually have a concrete footer (although they can), and there is less lumber required for the framing. there are fewer breaks in the insulation than with a stick frame design, and most pole building plans are easily expandable later. the first step in selecting pole building plans is to define your needs..