Product Profile

Extreme® 300 Series High Performance Door

CAD Drawings Cornell Iron Works, Inc. Extreme® 300 Series High Performance Door
Extreme 300 Series High Performance Door:

  • Cycles:  300,000 maintenance free cycles, to be exact.  The door's springless design adds to its longevity, with the only true maintenance being daily operation checks
  • Intelligence:  This door features the new Apex SmartController - our first intelligent panel that communicates status and error messages 
  • Speed:  This door performs at an opening speed of up to 24 inches per second 
  • Energy Efficiency:  The insulated curtain comes complete with our patented sealing system with thermally broken guide assemblies and a lintel seal that significantly decreases air infiltration to less than 0.3 cfm/ft2
  • Smooth Operation:  The compact, direct-drive operator features a variable-frequency drive that ensures a soft start and stop, and doesn't have any sprockets or chains to wear or replace
Please not that all CAD drawings provided are for a specific size. 
  • Doors and Grilles are 10’ x 10’ 
  • Counter Doors are 6’ x 4’ 
  • If specific dimensions are required, please visit the drawing generator available on our website.

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