Model 525
Model 524
Model 520
Model 901
Model 3150
Model 3154
Model 3155

Model 520

These high quality steel doors provide long service under demanding conditions. Ideal for use in municipal buildings, warehouses and shipping dock applications.



  • 2" thick sectional steel ribbed door
  • Full 20 gauge, heavy-duty steel skins are hot-dipped galvanized, coated inside and out with an epoxy primer and finished with a baked-on white or brown polyester top coat for maintenance-free performance
  • Available non-insulated or insulated with environmentally-safe expanded polystyrene molded to the section
  • Many optional window and track configurations available