Encyclopedia & FAQ's

DIY Frequently Asked Questions / Steel Door


  • DIY Frequently Asked Questions / Steel Door')"> Typically galvanized steel facing with polystyrene, polyurethane, wood or particleboard cores.
  • Offers more insulation, durability, fire-resistance and security than wood doors.
  • The steel exterior provides structural strength and eliminates cracking and warping.
  • Usually used as exterior doors.