Commercial doors take more daily traffic than almost anything in a home, and the hardware built to handle that — mortise locks, cylindrical lever sets, exit devices, door closers — fails differently than a house lock does. A sticking panic bar or a door that won’t latch isn’t just an inconvenience on a commercial building; on an exit door, it’s a code question as much as a mechanical one, and the repair has to answer both.
Mortise Locks and Cylindrical Levers
Most commercial doors run one of two lock families. Mortise locks sit inside a pocket cut into the door edge, combining the latch, deadbolt function, and lever operation into a single case — durable, common on older commercial buildings, and more involved to service than a residential lock because the whole case has to come out to work on it. Cylindrical lever locks are the newer, more common standard on offices and retail doors built or renovated more recently, with the lock body bored straight through the door rather than mortised into the edge, which makes the lever itself faster to service or swap. Which family is behind a given complaint changes the repair — a mortise case with worn internals is a different job than a cylindrical lever with a failing latch.
Exit Devices and Panic Bars, and the Code Behind Them
Exit devices — the horizontal push bars commonly called panic bars or crash bars — exist because life-safety codes require doors along an emergency exit path to open from the inside without a key, a tool, or any special knowledge of how the mechanism works. That requirement doesn’t go away because a bar is sticking, dragging, or slow to release the latch. A repair on an exit device has to restore that function, not work around it — the fix might be a worn touchpad, a misaligned strike, or a latch that isn’t retracting cleanly, but whatever the actual fault is, the door has to keep opening freely from the inside when the job is done. A panic bar that’s hard to push is a repair call, not something to disable or bypass.
ADA-Compliant Lever Hardware
Accessibility requirements shape commercial hardware choices too. ADA guidelines call for lever-style operation rather than a twist knob on doors covered by the requirement, since a lever can be operated with a closed fist, an elbow, or limited grip strength in a way a round knob can’t. When lever hardware is failing — loose, drooping, or not returning to position — a technician from Liberty Locksmith replaces it with another lever, not a knob, so the door stays compliant along with getting it working again. That matters as much on a repair call as it does on a fresh install.
Door Closers and Storefront Hardware
Door closers are the quiet workhorses of commercial hardware, and when one starts slamming, drifting shut too slowly to latch, or leaking fluid, it’s usually an adjustment or a worn internal seal rather than something to just live with — a door that doesn’t latch on its own defeats the point of having a lock at all. Storefront doors bring their own hardware family into the mix, typically narrow-stile aluminum framing built around deadlatch or deadbolt mechanisms rather than a standard mortise or cylindrical lock, and repairs there call for parts and adjustment techniques matched to that hardware rather than treating it like a residential door.
Repair Costs on Commercial Hardware
Commercial door repair pricing depends on which hardware is involved — a closer adjustment is a smaller job than pulling and rebuilding a mortise case — and on how many doors need attention, since a building-wide closer issue is a different scope than one sticking panic bar. Whether the fix is an adjustment, a rebuild, or a full hardware swap also shifts the total, and that call often isn’t obvious until a technician has the door open. A price gets set once the actual repair is scoped out, not before.
Repair or Replace on a Mortise Lock
An old mortise lock that’s still solid mechanically is usually worth repairing — cleaning, replacing worn internal parts, re-machining a strike — since good mortise cases are built to be serviced rather than thrown out. A case that’s cracked, missing parts no longer made, or has been drilled through in a prior break-in attempt is a different situation, where replacement is the more honest recommendation even though matching new hardware to an old mortise pocket takes some extra fitting. A technician can tell you which situation a specific lock is in once it’s open.
We handle all of this on-site across the metro — see our service areas.
Frequently Asked Questions
My commercial door won't latch or close all the way — what's usually wrong?
A few usual suspects: a door closer that's lost its adjustment and isn't pulling the door fully shut, a strike plate that's shifted out of alignment with the latch, or — on heavier doors — a frame that's settled slightly over time. A technician checks the closer, the strike, and the latch itself in that order, since it's rarely the lock body that's actually at fault when a door won't close on its own.
The panic bar on our exit door is sticking. Is that a bigger problem than it seems?
It can be. Exit devices are required to let people leave through that door without needing a key or any special effort, so a sticking bar is a functionality problem the fix has to actually solve, not paper over. The repair might be as simple as a worn touchpad or a misaligned strike, but whatever the cause, the door has to open reliably from the inside when the work is done — that requirement doesn't get relaxed because the fix was inconvenient.
Is it better to repair or replace an old mortise lock?
Most mortise cases in solid mechanical shape are worth repairing rather than replacing, since they're built to be serviced and good replacement parts are generally available. A case that's cracked, damaged from a break-in attempt, or missing internals that aren't made anymore tips the decision toward replacement instead. A technician can generally tell which situation applies once the case is open and the actual condition is visible.