Pole Barn Insulation     Originating from the idea of the “telephone pole barn” used as a house by the homeless during the Great Depression, pole barns have since exploded in popularity among businesses in need of erecting a quick and inexpensive property requiring a minimum of wood and steel. These buildings consist of poles staked into the ground without the use of any interior supporting columns. A pole building could be: an engine facility an equipment storage facility a greenhouse a residential building a shop