Sectional Doors (ZD)


Specification Details

8.5" x 11"
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Sectional Doors

Use this SimpleSpecs 3-part specification template to specify sectional overhead steel or aluminum doors.


A common door used in commercial and industrial buildings.  Designed to provide secure and efficient access for vehicles, goods and personnel. These doors are made of horizontal panels, or sections, that are hinged together.  Allowing the door to fold up and slide parallel to the ceiling when opened.

Sectional doors are made of steel, aluminum, or fiberglass, and can be insulated to help regulate temperature and reduce noise levels. They are customized with various colors, finishes, and window options to suit different aesthetic and functional requirements.

Sectional doors are used in a variety of commercial and industrial settings, including warehouses, loading docks, manufacturing facilities, and storage units. They offer several advantages over other types of doors, including their ease of operation, low maintenance requirements, and ability to fit into a variety of building designs and configurations.

Door Types

  • Standard: The door travels vertically, then horizontally to its open position.
  • High lift: Similar to standard lift except that the door travels upward until overhead space is used up, then moves horizontally.
  • Vertical lift: The door travels vertically to its open position.
  • Low headroom: Similar to standard lift except that less overhead space is required.

Manually operated doors may be operated by lift handles, rope pull or chain hoist. Electrically operated doors can have a chain hoist operator for use in the event of power loss.

Spec Notes

  • Where overhead restrictions preclude the placement of an overhead track consider a coiling doors.
  • Available insulated or non-insulated and manually or electrically operated.
  • Flush door sections are fabricated from steel sheet, while stile and rail sections fabricated from extruded aluminum. All door types may contain glazed lites but stile and rail doors can receive much larger glazed panels.

Related Association:

To learn more about sectional door testing, visit Door & Access Systems Manufacturers Association International (DASMA)


Recommended Manufacturers:

Raynor Garage Doors

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