Manufacturer of 
Quality Rolling Steel Doors

Made In USA

Dawn 4" Steel-Vision - Perforated 4" Box Spring Doors

Product Features

  • 4″ interlocking perforated slat design 
  • Spring counterbalance consists of spring steel, wrapped on spring box, retained onto 2″ pipe shaft
  • An economical option that is ideal for any application where security and ventilation are required
Dawn-4 Perforated Box Spring Grille Door

Alpine’s Economy perforated box spring doors are designed for security and are easy to operate. Alpine’s rolling doors have been proven for use on thousands of installations for business and industry and require minimal maintenance.

Alpine’s rolling gate Dawn 4″ Steel-Vision Door® curtains incorporate a 4″ perforated slat design. These doors can be either manually or motor operated. The rolling gate, includes a galvanized or paint-primed hood. Locking standard choices include hasp-pin type or slide bolts for use with padlocks. Call the factory for additional lock options for your perforated rolling doors.

4" Curved Perforated Slat

4″ Curved Perforated Slats