Lockouts · Pontypool
Seized & Jammed Lock Opening in Pontypool
Every time you pull the key out of the side door it comes away gritty.
In plain words
Most seized locks can be saved, and keeping your existing hardware is the aim. A cylinder that has stopped turning is usually recoverable with cleaning and fresh internal parts. A failed tailpiece is a small component swapped without touching the rest of the lock. A bolt bound by the door needs adjustment, not new hardware. Replacement is the answer for a plug or shell that is worn, damaged or hollowed out by corrosion beyond what cleaning and parts can fix, and then the new cylinder is matched to your keyway and finish and, where possible, keyed to the key already in your pocket.
How the visit goesThe shop's lever handle goes down as usual, but the latch inside the mortise case never pulls back. Staff are waiting on the sidewalk with their coffees, the door is locked, and the handle is simply moving air.
Seized & Jammed Lock Opening
How the visit goes
Which of the three families it belongs to
Every jammed lock falls into one of three groups, and sorting it is the whole diagnosis. A key that enters fully and will not turn points to the cylinder: grit, ice, corrosion, dried lubricant or a plug that has not returned to its neutral position with the shell. A key that turns freely and moves nothing points to the connection behind the cylinder, the tailpiece or cam, or to a broken hub in a mortise case. A key that works only when the door is pushed, pulled or lifted points past the lock entirely to the door and its strike. Each group has its own opening method and its own repair.
Inside a mortise case or lever set
For mortise locks and lever hardware the work moves from the cylinder to the case. The locksmith gets the door open, then removes the trim and draws the case out of the door edge. Inside, a broken lever return spring, a worn hub, a bent spindle or a latch that has lost its spring is replaced with the matching part, and years of dust and hardened grease are cleaned from the contact surfaces before a fresh application of a grease suited to lock mechanisms. The case is reassembled, the spindle and cylinder are refitted, and lever, key and thumb-turn are each tested so the latch and bolt travel fully.
A door that closes without a fight
If the door was the cause, the hinges, strike and seal have been set so the bolt has room. Keeping it that way is a seasonal habit: each spring and fall, try the lock with the door closed and no pressure on it, and snug the hinge and strike screws if the door has begun to drop. Wood keeps moving with humidity, so a door that swells in August may need a touch on the strike in September. A door that suddenly needs a push to lock is telling you early, while the fix is still a screwdriver and not a seized bolt.
Seized & Jammed Lock Opening
In the van
Dry PTFE or graphite lock lubricant
Mortise case spring and hub
Strike plate and hinge shims
Cylinder springs, pins and cap
Plug follower and repinning kit
Seized & Jammed Lock Opening
What affects the quote
How many locks are affected
One seized side door is the simplest case; a front and back door that both drag, or a storefront with two leaves, adds hardware and time to the visit.
Mortise and commercial hardware
Drawing a mortise case, replacing a hub or spring and regreasing the contact points is more involved than a cylinder service, and storefront and exit hardware are quoted accordingly.
Keying a new cylinder to your existing key
Pinning a replacement cylinder to the key already on your ring, or rekeying other doors to match a new key, is extra work per cylinder and simplest to do in the same visit.
What to have ready
- What kind of lock is it: deadbolt, knob, lever, mortise or keypad?
- Do you have a spare or original key you could try?
- Does the key go fully in and refuse to turn, or turn without moving the bolt?
Seized & Jammed Lock Opening: questions
QuestionsDoes road salt affect door locks?
Yes, especially on side doors near a treated driveway or walkway. Salt spray dries into a crust inside the keyway and around the plug, and each thaw dissolves and re-deposits it deeper. Over a few winters it pits brass and makes the pins drag. The remedy is a flush with contact cleaner, a thorough drying, and a dry lubricant that sheds moisture, followed by rinsing the hardware when the weather allows.
The thumb-turn is stuck from inside and we need that door to get out. What should we do?
Use another exit for now and call. From the inside the fault is usually a bolt pinned by the frame or a bent spindle, both of which the locksmith frees without damage. A main exit door should open from inside without a key or special knowledge, so the repair leaves the door doing exactly that, and if the hardware on it was the wrong type for an exit, a thumb-turn deadbolt is suggested.
The lever on our shop door goes down but the latch does not pull back. Is that a lock problem?
It usually points to the mortise case rather than the cylinder, and it is a common complaint on commercial doors. Inside the case a return spring, a worn hub, or another part of the latch's drive path can have failed, so the lever moves without driving the latch. The locksmith gets the door open, draws the case out of the door edge, replaces the worn part, cleans and greases the contact points and refits everything, then tests lever, key and thumb-turn together.
Related services
- Business Lockout ServiceYou signed the lease on the unit last week and the landlord handed over possession, but the previous tenant's locks are still on both doors and no keys came with them.
- Broken Key ExtractionOvernight the deadbolt froze, and this morning the key would only turn partway.
- Break-In Damage Lock RepairThe back door looks closed until you touch it.