Pole barns, or pole buildings, are general terms for a type of agricultural building. however, they are built using a methodology called post-frame construction. lets take a look at why when youre comparing a pole building vs stick-frame, post-frame construction ultimately triumphs.. A steel frame barn offers savings physically as well as economically. a steel frame barn also saves you energy costs, insurance costs (steel frame barns usually cost 40% less than pole barns) and may come with a generous warranty, lasting a few decades. last but not least you have to consider the welfare of your animal.. Dear pole barn guru: id like to have a realistic comparison in price and benefits of both a pole barn vs. a metal barn. i am looking to build a 40