Door Coordinator

Definition

A device installed on a pair of doors with an overlapping astragal that controls the proper closing sequence, ensuring the door without the overlapping astragal closes first.

Purpose

Door coordinators ensure the correct closing sequence for double doors, which is essential for maintaining security, fire safety, and proper sealing of the doors.

Examples of Use

1. Fire-rated Double Doors: Ensure the doors close in the correct order to maintain the fire barrier.
2. Commercial Entrances: Used in storefronts or office buildings to ensure the main entry doors close properly.
3. Schools and Hospitals: Ensure doors in high-traffic areas close securely for safety and security.

Related Terms

• Astragal: A molding or strip used to cover the gap between two meeting doors.
• Flush Bolt: A bolt installed in the edge of a door to secure it to the frame or floor.
• Surface Bolt: A bolt installed on the surface of a door to secure it.

Notes

• Proper installation of a door coordinator is critical to its effectiveness.
• Regular maintenance is required to ensure the device functions correctly over time.