SDI Rolling Steel Doors

Service Doors Industries (SDI) has been manufacturing robust rolling steel doors since the 1988, offering heavy duty steel doors for the toughest applications. These doors are your #1 solution for security and fire protection. Keep your assets safe with SDI doors!

Rolling Steel Door

Rolling Steel Doors

  • Galvanized steel finish
  • Rugged 3″ curved or flat slats
  • Oil Temper Torsion Springs designed for 50,000 cycles
Insulated Rolling Steel Door

Insulated Rolling Steel Door

  • Significant heat savings
  • Sealed to prevent drafts
  • Durable as uninsulated equivalent
Rolling Steel Fire Door

Rolling Steel Fire Door

  • Tested for rigorous industry standards
  • Simple resetting
  • Unique two spring system