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DelrexLocksmith Co. · Halton HillsOpen 24/7(289) 670-9706Request a visit
Person holding a cylindrical door-lock assembly beside an open green glazed door with its lower lock opening exposed. — Seized & Jammed Lock Opening, Halton Hills

Lockouts · Halton Hills

Seized & Jammed Lock Opening in Halton Hills

The lock works, but only if you lean on the door with your hip while turning the key. After a week of humid weather the bolt is jammed against the strike plate, and without that push the key stops halfway.

Seized & Jammed Lock Opening

In plain words

A lock rarely seizes without warning. It asks for a wiggle, then a firmer wiggle, then it needs the door pulled toward you, and one morning it stops. Seized and jammed lock opening deals with that morning, but the same visit deals with the months before it. The locksmith explains why this lock jammed, whether it was grit, weather, a worn key or a door that moved, and leaves you with a lubrication routine, a fresh key cut from code rather than from a tired copy, and a door that closes without a shove. The point is a lock that turns with two fingers and keeps doing so.

Sound familiar?

The old mortise lock on the front door of the house turns the key halfway and stops with a dull clunk. It has been getting harder for months, and the brass key is starting to show a bend.

How the visit goes

Halton Hills

How the visit goes

  1. Levers, thumb-turns and mortise cases

    Lever handles and mortise locks add parts that a plain deadbolt does not have, and each can jam on its own. A lever that drops without retracting the latch can have a tired return spring or a worn hub inside the case, though latch engagement, linkage, or the spindle can produce the same symptom. A thumb-turn that will not move can be a bent spindle, a stripped drive or a bolt pinned by the frame. On older houses and commercial doors the mortise case itself may be packed with decades of dust and dried grease. The locksmith works the lever, key and thumb-turn separately and feels where resistance starts, which locates the fault before the case is opened.

  2. Opening when the tailpiece has failed

    A key that spins freely means the cylinder is fine and the bar behind it, the tailpiece or cam, has broken, slipped or twisted out of engagement. The bolt is then retracted directly through the mechanism rather than through the cylinder, or the cylinder is withdrawn so the locksmith can reach the bolt drive. Once the door is open the old tailpiece is removed and a replacement of the correct length and profile is fitted, since one that is too short repeats the fault and one that is too long binds. The cylinder goes back, the retaining screws are checked, and the bolt is thrown and retracted with the key until it moves cleanly through its full travel.

  3. Keys that match the lock again

    Where a worn or drifted key was part of the jam, you now hold a key cut from the code or from a fresh master, and every spare has been tried in the lock. Retire copies that needed force, and cut future spares from the good key rather than from each other, since each generation of copying adds error. Label the keys if several locks are involved. If the cylinder was replaced and pinned to your existing key, the whole house is still on one key. Keeping a written note of the keyway and, where it exists, the key code makes any future key a simple cut.

Seized & Jammed Lock Opening

In the van

  • Cylinder springs, pins and cap
  • Lock de-icer
  • Strike plate and hinge shims
  • Mortise case spring and hub
  • Plug follower and repinning kit

What affects the quote

Same fees day, night or weekend

  1. 1Ice and salt on the day

    A cylinder frozen solid or crusted with salt needs thawing, flushing and drying before it can even be diagnosed, and a winter call is quoted with that time in mind.

  2. 2Small parts behind the cylinder

    Tailpieces, cams, springs, cylinder caps and pins are minor items, but each one used is named on the quote so you can see what went into the lock.

  3. 3Type of lock on the door

    A residential deadbolt, a knob latch, a lever set, a mortise case in an older house and a high-security cylinder each take different tools and time to open and to service.

What to have ready

0 of 3 ready

Call (289) 670-9706

Seized & Jammed Lock Opening: questions

Does 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.

What is a tailpiece, and why does it matter here?

The tailpiece is the flat bar that sticks out of the back of a deadbolt cylinder and turns the bolt mechanism when the key turns; on a knob or lever set the equivalent part is a cam or spindle. It carries all the twisting effort, so a bent, worn or broken one is the reason a key can turn without anything happening. It is a small part to replace, it comes in several lengths, and the right length matters.

My key turns all the way round but the bolt stays put. What has broken?

The key and cylinder are doing their job; the bar behind the cylinder that drives the bolt, called the tailpiece or cam, has broken, slipped or twisted out of engagement. It is a small part. The locksmith retracts the bolt through the mechanism or removes the cylinder to reach it, then fits a tailpiece of the right length and profile. Your cylinder and keys are unchanged afterwards.

Lockout Services

Seized & Jammed Lock Opening near you

The pages that follow describe the lock services offered in Halton Hills one by one, without sales talk. Where a service has a simpler or less involved cousin, the page says so. Where a repair will do instead of a replacement, the page says that too. The aim is for you to choose well, not to choose more.

Open 24/7 · call(289) 670-9706Request a visit