Panic bars — also called push bars, crash bars or exit devices — are some of the most important pieces of hardware in any commercial building. They let people get out fast in an emergency, without keys or special knowledge, while keeping the door secure from the outside the rest of the time. When a panic bar sticks, rattles, fails to latch or has been tampered with, it becomes both a safety issue and a security gap. This guide explains how panic hardware works, the different types, the most common problems we see across the GTA, and how to decide between repair and replacement.
What a panic bar actually does
A panic bar is an exit device that releases the door latch when someone pushes anywhere on the bar. The key features are:
- Free egress: anyone inside can open the door with a simple push, even in the dark or in a crowd.
- Security from outside: from the outside, the door stays locked unless there is a key, lever trim or access control that allows entry.
- Positive latching: when the door closes, the latch must engage so the door stays secure — and, on fire-rated doors, so the door holds back smoke and fire.
Panic hardware is commonly required on exit doors in assembly, educational, business and mercantile buildings. Your building’s requirements depend on its use and occupancy, so if you are unsure, your fire safety professional or building department can confirm what applies.
Types of panic bars
Rim exit devices
The most common type. The latch sits at the edge of the door and catches a strike mounted on the frame. Rim devices are simple, durable and easy to service, and are used on single doors and on one leaf of a pair with a removable mullion.
Surface vertical rod devices
Rods run up and down the face of the door and latch into the frame head and the floor. They are common on pairs of doors without a center mullion. Because the bottom rod is exposed, it can be damaged by carts or blocked by debris.
Concealed vertical rod devices
The rods are hidden inside the door, giving a clean look on aluminum storefront and steel doors. They are tidy but harder to service, and alignment is critical.
Mortise exit devices
The latch is housed in a mortise lock case inside the door edge, giving strong, secure latching on single doors.
Narrow-stile devices
Aluminum storefront doors have narrow stiles, so they need narrow-stile exit devices designed to fit. Using the wrong device on a storefront door leads to poor latching and early failure.
Electrified and delayed-egress devices
Some exit devices integrate with access control — electric latch retraction, request-to-exit switches, or delayed egress where permitted. The door hardware side of these systems must be aligned perfectly for the electronics to work.
Common panic bar problems
The bar is hard to push
Worn latch springs, a door that has dropped so the latch binds on the strike, or a misadjusted strike make bars stiff. A stiff bar is a safety concern for elderly people, children and anyone in a hurry.
The door does not latch
Usually the door closer is out of adjustment, the strike has moved, or the latch is worn. An unlatched exit door is a security problem — and on a fire door, a fire-safety problem.
Vertical rods fail to engage
Bent rods, worn rod guides, a damaged bottom latch or a sagging door can stop the top or bottom latch from engaging. Pairs of doors may then pop open with a push from outside.
The bar is loose or rattling
Mounting screws strip out of aluminum or steel doors over time, especially when doors are slammed or kicked. Loose bars lead to misalignment and eventual failure.
Outside trim or key does not work
Lever trims and cylinders wear out or get damaged in break-in attempts. If the outside trim no longer locks, the door may be open to anyone.
Dogging problems
“Dogging” holds the latch retracted so the door works as push-pull during business hours. Worn dogging mechanisms, missing dogging keys or someone taping the latch can leave the door unable to lock at night.
Repair or replace?
Many panic bar problems can be repaired: adjusting the strike and closer, replacing springs and latches, straightening or replacing rods, re-securing the device and replacing trim or cylinders. Replacement makes sense when:
- The device is cracked, bent or missing parts that are no longer available.
- The device is the wrong type for the door (for example, a rim device on a pair that needs vertical rods).
- The door has been converted to fire-rated use and needs fire-rated exit hardware.
- The same device keeps failing on a high-traffic door and a heavier-duty model would last longer.
Panic bars on fire-rated doors
Fire-rated doors in stairwells and corridors must self-close and positively latch. That means fire-rated exit hardware (without mechanical dogging), a working closer, and a frame and strike that are in good condition. Doors that are wedged open, have mechanical dogging on fire-rated devices, or do not latch should be corrected. See our fire door repair service.
Panic bars and security
Exit devices are a frequent target in break-ins, especially on rear doors facing laneways. Practical upgrades include:
- Latch guards on outswing doors to block prying.
- Heavier-duty devices on doors that see abuse.
- Vertical rod devices on pairs, so both leaves latch at the top and bottom.
- Outside trim with a quality cylinder, rekeyed after staff turnover — see commercial lock repair and rekeying.
Maintenance checklist for exit devices
- Push every exit device at least weekly to confirm it releases smoothly.
- Check that each door closes and latches on its own from fully open.
- Look for loose bars, missing screws and damaged end caps.
- Clear debris, ice and salt from bottom rod strikes.
- Never chain, padlock or block exit doors.
- Have devices on busy doors inspected at least once a year.
Panic bar service across the GTA
We repair and install panic bars and exit devices throughout Toronto and the GTA. See our local pages for Markham, Mississauga, Vaughan, Brampton, Richmond Hill and Hamilton, or our main panic bar and exit device repair page. Related: door closer repair, hollow metal door repair and storefront door repair.
Frequently asked questions
What is the difference between a panic bar and a crash bar?
They are the same thing. Panic bar, crash bar, push bar and exit device are all names for hardware that releases the door latch when pushed from inside.
Can a panic bar be repaired, or does it need replacing?
Many problems such as stiff operation, poor latching or loose mounting can be repaired. Devices that are cracked, obsolete or the wrong type for the door should be replaced.
Can a door with a panic bar be locked from outside?
Yes. Outside trim with a key cylinder or lever, or access control, locks the door from outside while people inside can always exit freely.
Why does my door with a panic bar not latch?
Usually the closer needs adjustment, the strike has moved, or the latch or door has worn or dropped. A technician can find the cause and correct it.
Do fire doors need special panic hardware?
Yes. Fire-rated doors need fire-rated exit devices and must self-close and latch. Mechanical dogging is not used on fire-rated exit devices.
Need panic bar repair or installation?
Call Commercial Door Repair Ontario at 647-931-0097 or request a quote.