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CayugaLock & Key Co. · Haldimand CountyOpen 24/7(365) 651-9442Request 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, Haldimand County

Lockouts · Haldimand County

Seized & Jammed Lock Opening

You are inside, the deadbolt is thrown, and the thumb-turn will not budge. It moved a little last week with some effort.

Seized & Jammed Lock Opening

In plain words

Many jammed locks are not lock problems at all. Wood doors swell in humid weather and shrink in dry winter air, hinges loosen and let the door drop, and a strike plate that was fine in spring is a few millimetres out by autumn. When that happens the bolt is squeezed in its pocket and the key cannot move it. The locksmith checks this first by loading the door in different directions while working the key, and by comparing how the lock behaves with the door open. If the door is the cause, the opening is gentle and the lasting fix is a hinge, strike or seal adjustment.

Sound familiar?

Every time you pull the key out of the side door it comes away gritty. The lock has been sticky since the salt trucks started running, and today it has gone from sticky to solid, with the bolt still thrown.

How the visit goes

Haldimand County

How the visit goes

  1. Loading the door while the key is worked

    With the lock family narrowed, the locksmith puts a hand on the door. Pushing it into the frame, pulling it out, and lifting on the handle each change how a bound bolt sits in its pocket, and the key is tried gently in each position. If the key frees up under one of those loads, the door is the cause. Where a second entrance is open, the same lock family is compared with the door swung wide, since a bolt that throws smoothly in mid-air and binds when closed has been pinched by the frame. Nothing is forced during this test; it is a diagnosis, not an attempt.

  2. Proving it with the door open and shut

    The job is finished with testing rather than with the last screw. The bolt is thrown and drawn back with the door open to prove the lock itself, then with the door closed to prove the door and strike, then from the inside with the thumb-turn or lever. Every key you hold is tried, including the spare from the drawer. If the door is a main exit, the locksmith confirms it opens from inside with one motion and no key. Any hardware that was adjusted is cycled a dozen times to make sure it stays put, and the finish is wiped clean of cleaner and lubricant.

  3. Set up for the freeze-thaw months

    After a winter jam the cylinder has been dried and dressed with a lubricant that sheds moisture, and you know the routine for the next cold snap. A keyhole cover or a storm door keeps meltwater out of an exposed lock. A tube of de-icer in the car or coat pocket is the answer to a frosted cylinder, and boiling water is never the answer. Rinse salt spray off hardware near a treated driveway or walkway when the weather allows. Doors on the shaded side deserve a check after the first hard frost, because they hold ice long after the sunny side has cleared.

Seized & Jammed Lock Opening

In the van

  • Plug follower and repinning kit
  • Lock de-icer
  • Key blanks and code cutter
  • Electronic contact cleaner
  • Replacement cylinder

What affects the quote

Same fees day, night or weekend

  1. 1Mortise 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.

  2. 2Service or replace the cylinder

    A cylinder that can be stripped, cleaned and rebuilt is quoted as labour with a few small parts; one corroded through is quoted with a replacement cylinder matched to your finish and keyway.

  3. 3Ice 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.

What to have ready

0 of 3 ready

Call (365) 651-9442

Seized & Jammed Lock Opening: questions

How long does a jammed lock opening take?

It depends on which family the jam belongs to. A bolt bound by the door is often freed in minutes and the adjustment afterwards takes a little longer. A seized cylinder needs patient cleaning before it turns and a bench service after, and a frozen one needs thawing time. A tailpiece swap is short once the door is open; a mortise case service is longer. The locksmith gives a sense of the time once the cause is identified at the door.

How do I stop this from happening again?

Three habits cover most of it. Lubricate the cylinder with a dry lock product twice a year and keep oils out of it. Check that the door locks with no pressure on it each spring and fall, snugging hinge and strike screws when it starts to drag. Keep a lock de-icer handy and fit a keyhole cover on exposed doors. And act on the first stiff turn, because a lock that still turns is a smaller job than one that has stopped.

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.

Lockout Services

Seized & Jammed Lock Opening near you

Below, each lock and key service we offer in Haldimand County gets its own page, with a description that assumes no prior knowledge. Start anywhere. Many customers arrive for a lockout and leave knowing exactly why the strike plate on the back door has bothered them for years.

Open 24/7 · call(365) 651-9442Request a visit