Are New York businesses experiencing store closure issues this summer, with double doors sometimes closing unevenly and blocking each other? Don't remove the door sequencer yet.

In the New York metropolitan area, restaurant back-of-house areas, schools, clinics, and office building service entrances often use double doors with both active and passive doors. During the summer, when traffic increases, delivery carts frequently pass by, or there are changes in air conditioning pressure, managers may find that the two doors cannot close in the original order, one door hits the other first, the latch is difficult to engage, or the door appears closed but cannot be reliably locked. The door leaf, hinges, door closers, door sequencers, door frames, and locks could all be involved; do not attempt to disassemble parts or diagnose the cause based on a single instance of jamming.

First, distinguish between the "closing sequence" and "cannot be locked".

Observe from a safe distance whether both doors return to the door frame; whether the edge of the passive door comes into position first, and whether the active door follows smoothly; whether there is any abnormal friction, looseness, or liquid residue on the top or near visible hardware; and whether there are any new scratches around the latch, bolts, or strike plates. Do not place your hands in the door seams, bottom of the door, hinge side, or between the door panels, and do not repeatedly test during periods of high traffic, delivery, or strong winds. A single observation of normal or abnormality can only help describe the phenomenon and cannot replace on-site diagnosis.

Preparations that can be safely completed on site

In which situations should the device be immediately shut down and an inspection arranged?

Doors that cannot remain in their normal position, doors that spring back noticeably when closed or jam against each other, bolts or latches that cannot reliably engage, and visible looseness in the door frame or hinges are all signs that the door should not be used. If the opening is within a designated passageway, an evacuation-related door, or a building security boundary, the site manager should determine the isolation, detour, and notification methods according to existing safety procedures; do not leave the door open for extended periods as a substitute for normal function. For general issues with commercial doors, refer to commercial door services ; for abnormalities in locking hardware, check the latch and lock .

How to describe a problem more effectively when reporting a repair?

Please prepare photos showing the location of the doorway, the material of the door, whether it is a double door, which door collided first, whether it can be closed and locked, whether it involves access control or fire exits, and taken from a safe distance. Please also indicate if a property management work order, COI, or nighttime/out-of-business hours are required. This information will help in arranging the inspection, but does not constitute a commitment regarding the cause of the malfunction, the scope of repair, the cost, or the completion time.

Handover reminders during high-frequency use in summer

Before opening, handing over shifts, and closing, check from outside the normal passageway whether the double doors close in the original order, whether the locks are reliable, and whether there are new scratches on the door edges and top hardware. Record instances where the doors occasionally need to be pushed to close, rather than waiting until nighttime when the doors cannot be locked. Previously, if you encountered issues like sagging rear doors or misaligned latches, you can also refer to the " Commercial Rear Door Hinges and Latch Safety Observation" .

Further Reading: Work Order and COI Preparation Before Emergency Repairs of Commercial Doors · Contact Us

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