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ErindaleLock ExpertsOpen 24/7 (289) 805-4851
Person holding two lock cylinders beside an open painted door, with loose hardware and debris on the sill. — Seized & Jammed Lock Opening, Erin Mills

Lockouts · Erin Mills

Seized & Jammed Lock Opening

The 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.

In plain words

On storefronts, offices and older houses the hardware is often a mortise lock with a lever, and the jam is frequently inside the case, not the cylinder. A lever that swings without retracting the latch can point to a broken spring, a worn hub, or another fault in the drive path; a key that stops halfway can point to a bent spindle, an old case packed with dust, or a problem in the cylinder itself. Seized and jammed lock opening for this hardware means getting people through the door, then opening the case, cleaning the contact points, and fitting the part that gave up.

Sound familiar?Erin Mills

The call
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.

NextHow the visit goes

Seized & Jammed Lock Opening · Erin Mills

How the visit goes

Hands fitting a steel door knob into the bore of a dark door, with a yellow drill and tool bag behind. — Erin Mills
  1. Scene 1

    Strike plate, bolt pocket and seal

    The frame side gets as much attention as the door side. The locksmith looks at where the bolt meets the strike plate: scuff marks on the plate's edge, a bolt pocket shallower than the roughly twenty-five millimetres a deadbolt needs, paint or filler that has crept into the pocket, and weatherstripping thick enough to hold the door proud of the frame. A dab of chalk on the bolt end shows exactly where it lands. These findings explain a lock that works with the door open and jams when it is shut, and they point to a chisel, a screwdriver and a strike adjustment rather than to anything inside the cylinder.

  2. Scene 2

    Freeing a seized cylinder without forcing it

    A plug that will not turn is coaxed, not wrenched. The locksmith flushes the keyway with an electronic contact cleaner to lift out grit and old residue, then applies a penetrating lubricant sparingly, since too much simply carries dirt deeper. The key is worked in small movements, in and out and a few degrees each way, letting the pins settle back into their stacks. If the cylinder cap has loosened, it is snugged so the plug sits square. As the plug begins to move, tension is kept light so nothing inside is bent. Once the door is open, the cylinder is removed for proper cleaning rather than left with lubricant masking the wear.

  3. Scene 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.

In the van

  • Electronic contact cleaner
  • Long hinge screws
  • Strike plate and hinge shims
  • Lock de-icer
  • Cylinder springs, pins and cap

What shapes the quoteErindale Lock Experts

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.
Inside door or outside door
A jammed bedroom or office privacy lock is generally a lighter job than a weather-exposed exterior deadbolt, and a mortise lock on an interior door sits between the two.
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.

FeesSame any hour

Have it ready

Before you call · 0 / 3

(289) 805-4851

Let's clear a few things up

If the cylinder is replaced, can it be keyed to my existing key?

Often, yes. A replacement cylinder in the same keyway can be pinned to the cuts on the key already on your ring, so the front and back doors stay on one key and nothing else in the house changes. If the old keyway is no longer made or the key is badly worn, the new cylinder comes with fresh keys and the other doors can be rekeyed to match in the same visit.

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.

My keypad deadbolt is jammed and the motor just whirs. Is that the same service?

Yes, with one difference. On an electronic deadbolt the motor is trying to throw a bolt that is bound in the strike, and it strains or times out instead of driving it. Door alignment is a common cause, though batteries, corrosion, an overtightened mounting bolt, or a hardware fault can produce the same strain. The locksmith frees the bolt, adjusts the strike or hinges so it travels without resistance, checks the battery contacts, and confirms the auto-lock throws cleanly with the door closed.

Erin Millsinformation

PeelOntario

Town
Erin Mills, Peel
In business
27 years
Hours
Open 24/7
Nights, weekends and holidays, same fees
Visits
On-site assessment preferred. Request a visit or call.

2021 census: what it means at the door

Every square is one home in a hundred.

  • 38 in 100 homes · mixed ages
  • About 38% of homes in Mississauga were built in 1980 or earlier, according to the 2021 Census.In an area of varied housing ages, rekeying is the one job that fits every door. Old cylinders and new ones both take fresh pins, so a household moving into either kind of home can start with keys that nobody else holds.
  • Single-detached houses make up about 37% of homes in Mississauga (2021 Census).Attached housing turns over more often than detached, so rekeying between tenants or owners is a constant. Because suite doors tend to be standard, the job is usually a straightforward pin change and a fresh set of keys cut on site.

Source: Statistics Canada, Census Profile

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On-site assessment

Request a visit.

The shop's lever handle goes down as usual, but the latch inside the mortise case never pulls back.

(289) 805-4851, open 24/7.