Sherman Pole Buildings offers a 30 year structural and a 10 year workmanship/leak warranty on every building.  This warranty covers a period 3 times the Minnesota State Requirement for structure and 10 times the requirement for workmanship.  This warranty covers building design, snow, and wind loads, steel siding, roofing, and roof leaks.  Treated lumber and columns carry a 60 year to lifetime warranty against rot, decay, and insect attack.  Truss and rafter systems carry a lifetime warranty for building design loads.  Non-structural components such as building accessories, windows, service doors, and overhead doors carry warranties from 5 years to lifetime, based on manufactures specifications.  The steel warranty is 45 years to life on the paint systems.