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 is a high-cycle offering that provides:
  • 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

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