Pole Barns Equipment Pole Barn The one and true way to use something properly is to understand its benefits and most importantly start with understanding the basics of that product. » Metal Buildings » Pole Barns » Equipment Pole Barn Specifications 20’ X 40’ X 12’ 2 - 10’ X 40’ Lean To’s Web Style Trusses 26 Gauge PBR Forrest Green Roof w/ Galvalume Trim