Four-Fold Doors

Four-Fold Doors are fast, horizontally moving doors, that are designed to perform over 1 million cycles.

The advanced design and construction of the Four-Fold door enables it to function under high cycle and other severe conditions, which create chronic service and maintenance problems for the conventional alternatives.


  • Speed Four-Fold doors clear the opening at an average speed of 24 inches per second.
  • Horizontal Movement The Four-Fold door moves horizontally rather than vertically. As a result, the door is visible throughout the opening motion allowing the driver to know the precise second the doorway is clear to exit.
  • Maintenance With general yearly Planned Maintenance, Four-Fold door operators and components are designed to perform over 1 million cycles.
  • Manual Operation Manual operation is available with the Four-Fold door system. With the simple pull of a cord, manual operation is quick and easy. It requires no springs under tensions or time consuming chain hoists or heavy lifting.