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Steel Stiffened Doors
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Hollow Metal Doors

        Polystyrene Doors

        Energy Saving Doors

        Steel Stiffened Doors

        Temp. Rise Doors

FISO Steel Stiffened Doors have core that consists of 14 gauge steel vertical stiles and rock wool. Our stile bending structure and welding method significantly increase strength and durability of the door. It is a perfect solution for abusive use area such as schools and hurricane locations.

Available on:

Gauge: 16 / 18 / 20

Steel Type: Galvanized or Galvanealed, A40 or A60

Fire rating: up to 3 Hours

Channel: top and bottom cap available

Edge Design: Beveled or square edge


  • 1 3/4

  • 2 1/4

Width: 2'0" / 2'6" / 3'0" / 3'6" / 3'8" / 4'0"

Height: 6'8" / 7'0" / 8'0"

*Special heights, widths and thickness are available, please contact us.

Hinge Prep: universal hinge prep and variable hinge location

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