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Person holding two lock cylinders beside an open painted door, with loose hardware and debris on the sill. — Seized & Jammed Lock Opening, Alderwood

Emergency Lockouts · Alderwood

Seized & Jammed Lock Opening in Alderwood

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.

Call now · open 24/7(289) 805-5275

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In plain words

When the cylinder is the part that has seized, the work is about cleaning rather than force. Keyways collect dust, salt spray, metal filings and residue from sprays never meant for locks, and over time the pins stop lifting cleanly. The locksmith flushes the plug with a contact cleaner, applies a penetrating lubricant, and works the key in small movements until the plug turns. With the door open the cylinder comes out, is stripped and cleaned, gets fresh springs or pins where worn, and is dressed with the lubricant specified for that cylinder. A plug or shell that is worn, damaged or eaten through by corrosion is what gets replaced.

Sound familiar?

You are inside, the deadbolt is thrown, and the thumb-turn will not budge. It moved a little last week with some effort. Now the door you walk through every day is a wall, and you need it open.

How the visit goes

Seized & Jammed Lock Opening · Alderwood

How the visit goes

Metal key-cutting machine with a key clamped in its vise, a clear guard over the cutter and a black handle. — Alderwood
  1. 1

    What is inside the keyway

    A small mirror and a bright light show what the keyway has collected. Salt crust, sand, metal filings, sawdust from a renovation and the gummy residue of household spray oils are all common, and each reads differently: a dry gritty feel, a sticky drag, or a plug that will not accept the key to full depth. Ice shows as frost on the cylinder face and a key that stops short. A cylinder cap that has loosened lets the plug sit crooked so the pins never line up. This look decides whether the cylinder needs a flush and dry lubricant, a thaw, a re-tightened cap, or a full strip on the bench.

  2. 2

    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.

  3. 3

    A lock that turns with two fingers

    You leave with a lock that operates the way it did when it was new: the key seats fully, the plug turns without a wiggle, the bolt throws and retracts through its whole travel, and the door closes and locks without a shoulder. The locksmith has cycled it from both sides and with every key, and has shown you where the trouble was, whether that was a gritty keyway, a broken tailpiece or a strike plate a few millimetres out. If you had a habit of lifting the door or pulling it toward you to lock it, that habit is now retired.

In the van

  • Penetrating lubricant
  • Replacement cylinder
  • Electronic contact cleaner
  • Dry PTFE or graphite lock lubricant
  • Strike plate and hinge shims

What affects the quote

  1. 1

    Type 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.

  2. 2

    Small 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. 3

    Matching finish and keyway

    A replacement that has to match an unusual finish or a restricted keyway takes a specific part rather than a stock one, and the quote reflects the part.

Same fees day, night or weekend.

Have it ready

Before you call · 0 / 3

(289) 805-5275

Seized & Jammed Lock Opening: questions

Advice · (289) 805-5275

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.

Could a jammed lock mean someone tampered with it?

Occasionally, but wear and weather are far more common. Signs that point to tampering are fresh scratches around the keyway, a plug that sits crooked, or debris such as glue or a broken tool tip inside, none of which appear from ordinary use. The locksmith looks for these during the inspection and says plainly what was found. If the cylinder has been damaged that way, it is replaced and, if you wish, the other doors are rekeyed.

Should I spray something into the keyway while I wait?

Better not, unless it is a proper dry lock lubricant. Household oils, general penetrating sprays and hinge silicone thicken inside the cylinder and attract grit, so they buy a day and cost a service later. If the lock is frozen, a lock de-icer is fine; boiling water is not, since it refreezes deeper in. The most useful thing to do while waiting is to stop turning the key, so it does not bend or snap.

Seized & Jammed Lock Opening near you

Toronto, Ontario

Alderwood information

Town
Alderwood, Toronto, Ontario
In business
20 years
Hours
Open 24/7 · nights, weekends and holidays, same fees
Visits
On-site assessment preferred. Request a visit or call.

What the census means at the door

58%

Older homes. About 58% of homes in Toronto were built in 1980 or earlier, according to the 2021 Census.

Older doors are usually thicker and made of solid wood, which is good news. They take a deadbolt well, hold longer strike screws, and reward reinforcement. The locksmith measures the thickness and backset so new hardware fits without fresh holes.

23%

Single-detached houses make up about 23% of homes in Toronto (2021 Census).

Suite doors in buildings often have a viewer, a chain and a deadbolt fitted at different times. A locksmith can tidy that into one sound arrangement, with a properly set deadbolt and a strike that holds, without altering the door's face.

Source: Statistics Canada, 2021 Census of Population

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Request a visit

The old mortise lock on the front door of the house turns the key halfway and stops with a dull clunk.

Call now · open 24/7(289) 805-5275
  • On-site assessment preferred
  • Same fees day, night or weekend
  • 20 years in business