Features:
• Narrow site-line allows larger glass and daylight openings
• Manufactured from galvanized cold rolled steel
• Frames and inserts fabricated with corners mitered and secured
  by welding
• Full length mechanical interlock at meeting rail
• Standard glazing material 3/4 hour fire rated (Optional 1-hour rating
   with ceramic glazing)
• Adjustable roller assemblies on sliding insert with automatic heat
  activated closures
• True muntins, when required, integral (welded) to inserts
• Pile-type weather-stripping with integral sealing fin around entire
  perimeter of inserts (Optional Q-Lon weatherseals on high
  performance windows)
• Snap-lock glazing retainers secured with machine screws
• Weeps incorporated into sill members
• Conform to current AAMA HS-C30 Specifications (Optional conformance
  to HS-C50)
• Finished with weather resistant powder coating in nine standard colors
• Maximun UL approved size for 900 Series: 6050
• Sub-frame or fin mounting systems supplied with all windows
• Underwriters Laboratories tested and classified
• Manufactured in USA
 
Options:
• Resettable, signal operated closure devices.
• Steel screen frames with fiberglass or aluminum mesh
• Premium clear non-wire glazing
• Insulated glass units with internal muntins, Low-E, and tints
• Impact safety ratings
• Custom Colors
• Florida state product approval
• Texas Department of Insurance product evaluation
• New York MEA
 
 See more fire rated windows and non rated steel windows.