What to Do When Your Commercial Door Fails

By United Overhead Door Corp — Mamaroneck, NY

Step 1 — Do Not Force It

The most common mistake when a commercial door fails is trying to manually force it open or closed. If a spring has broken, forcing the door can snap cables, bend tracks, crack panels, and turn a $300 repair into a $3,000 one. If the door won't move normally, leave it exactly where it is and call for service.

Step 2 — Secure the Opening

If the door is stuck open and the opening is unsecured, your priority is security. For a door that won't close, contact us immediately — we can often dispatch a technician within hours. In the meantime, station personnel at the opening if product or equipment security is a concern. Do not attempt to rig the door shut with chains or straps, as this can cause further damage.

Step 3 — Identify the Symptoms

When you call for service, it helps to describe what you observed:

• Loud bang followed by door not moving — almost always a broken torsion spring
• Door off track or leaning to one side — broken cable or roller failure
• Opener running but door not moving — broken spring, cable, or drive system
• Door moving slowly or making grinding noise — worn rollers or track misalignment
• Door won't respond to opener or keypad — electrical or logic board issue
• Vehicle impact — structural damage, track damage, panel replacement needed

Step 4 — Call United Door

United Overhead Door provides emergency service throughout Westchester, New York City, Fairfield County CT, and Rockland County — any day, any hour. Our trucks are fully stocked with springs, cables, rollers, and hardware for all common door types so most emergency repairs are completed in a single visit.

How to Prevent Future Emergencies

The best emergency repair is the one that never happens. Most commercial door failures are predictable and preventable with regular maintenance. Signs to watch for between service visits:

• Unusual noises — grinding, squealing, or popping during operation
• Slower than normal opening or closing speed
• Visible rust or fraying on cables
• Gaps in the door seal when closed
• Door reversing before fully closing
• Any visible bending or warping of tracks

If you notice any of these, call us for a non-emergency service visit before it becomes an emergency.