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Access Doors & Panel Division 
Access Doors & Panel Division
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Louvers & Grills Division
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Access Doors & Panel Division

SD Doors

SD Doors

4200

Our SD 4200 4" depth dual gasket doors come in single and twin, positive inswing and negative outswing configurations.

Key Features

  • Thermal & Non Thermal frame options
  • Insulated with BASF autofroth 2 part expandable polyurethane foam
  • 26.68 R Value
  • Wide range of steel and aluminum skin material options
  • Independently tested from 0" through 20" water column, with viewports and hardware installed, per ASTM E 331
  • FDA compliant EPDM gaskets standard
  • Extruded aluminum frames for increased strength and durability
  • Available with mineral wool and fiberglass insulation
  • Powder coat paint options
  • Wide range of Allegis and Ventlock hardware options available to cover your project needs
  • Factory prep for hardware or fully installed hardware options
  • Continuous Stainles Steel piano hinges or XYZ adjustable hinge options
  • Custom sizes
  • Multiple view port options
  • Installed test ports available
Doors Drawing