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PrestonLocksmith Co.Open 24/7 (226) 807-5217
Closed mortise lock case with spindle opening, keyhole, latch and deadbolt on a wooden workbench. — Vintage Mortise Lock Service, Preston

Change or rekey · Preston

Vintage Mortise Lock Service

The brass knob on the front door of your century home turns, but nothing happens on the other side. The latch stays tucked in, the door swings free, and the only thing holding it shut is the deadbolt and a bit key that has worn down to a nub.

In plain words

Vintage mortise lock service is the repair of the original lock in an older door rather than its removal. The lock is a rectangular steel case that lives inside a pocket in the door edge, and nearly everything that goes wrong with it, a tired spring, dried grease, a worn hub, a lost key, can be put right on the bench. The locksmith confirms you own or occupy the home, takes the case out through the door edge, rebuilds it, sorts out the keys and puts it back in the same pocket. The door keeps its knobs, escutcheons and history, and it locks as it did when new.

Sound familiar?Preston

The call
The knob flops loose on its spindle and never springs back to level. When you turn it the latch pulls in, but you have to push the knob back yourself, and lately the latch has started staying inside the door instead of catching.

NextHow the visit goes

Vintage Mortise Lock Service · Preston

How the visit goes

Technician fitting a steel door knob into a door beside a deadbolt, with an open tool bag of screwdrivers nearby. — Preston
  1. Scene 1

    Condition of the wood around the pocket

    The mortise pocket and the screw holes in the door edge carry the whole lock, so their state is part of the assessment. The locksmith probes the faceplate screws for grip, looks for cracks running from the pocket into the stile, and checks whether an earlier repair enlarged the pocket or packed it with something soft. Stripped holes, a split edge or a case that shifts when the knob is turned change the plan: dowelling and re-drilling, a hardwood filler, or longer screws may be needed before the rebuilt case can be trusted. Finding this now avoids surprises once the lock is back in the door.

  2. Scene 2

    Putting the door edge right

    Before the case goes back, the pocket and screw holes get whatever attention the check turned up. Stripped holes are drilled out, plugged with glued hardwood dowel and re-drilled so the faceplate screws bite. A pocket that has loosened is packed with a thin hardwood shim glued to one wall so the case sits tight. A split at the edge is glued and clamped. None of this changes the door's appearance; it simply gives the rebuilt lock something solid to sit in, which matters because a case that shifts in its pocket will bind the spindle and undo the bench work in a few months.

  3. Scene 3

    A lock that feels new and looks old

    What you get back is the door you had, with the lock working as it was designed to. The knob returns level with a snap, the latch catches when the door is pushed shut, the deadbolt throws with a light turn of the key or the thumb-turn, and the key goes in and out without a wiggle. Nothing on the face of the door has changed except that the brass has been cleaned where it was handled. The locksmith runs through each function with you from both sides before leaving, so the standard of what has been done is something you have seen, not something you have been told.

In the van

  • Warding files
  • Dry graphite or PTFE lubricant
  • Spindle and knob set screws
  • Latch and hub springs
  • Bit key blanks

What shapes the quotePreston Locksmith Co.

Extras you choose on the day
A high-security cylinder, a lockbox for a spare bit key or a separate modern deadbolt above the original are optional additions. None is required to make the old lock work, and each is priced as its own line.
Missing or mismatched trim
Sourcing a knob, escutcheon or thumb-turn to match the survivors, from salvage or reproduction stock, is quoted as parts plus the search. Reusing your own trim from another door avoids that line.
Keying doors alike
Bringing several interior locks onto one bit key, or several cylinders onto one flat key, is extra bench work per lock and is simplest to arrange while all the cases are out on the same visit.

FeesSame any hour

Have it ready

Before you call · 0 / 3

(226) 807-5217

Good questions about locks

The lock works with the door open but not when it is closed. Is the lock broken?

Almost certainly not. That pattern means the door has moved in its frame so the latch and bolt no longer meet the strike squarely. Solid wood doors in older houses swell in humid weather and settle on their hinges over the years. The service adjusts or shims the strike and tightens or packs the hinges so the bolt throws without lifting the door, and the lock itself is usually cleaned and lubricated at the same time.

Will the door look any different afterwards?

Usually not, when the original case is repaired: the same knobs, escutcheons, faceplate and strike go back on in the same positions, and the only visible change is paint or grime cleared from the edges that were catching. A replacement case is chosen to match the pocket so original trim is reused wherever spacing allows, though an occasional case needs a small pocket or fixing change, explained beforehand.

Does a rented home need the landlord involved for this work?

Repairing a lock so it works as before is ordinary maintenance, but anything that changes who can open the door, such as a rekeyed cylinder or new keys, is something a tenant and landlord are expected to agree on and share keys for. The locksmith asks up front who should receive keys and can leave a note of what was done for the property manager, so both sides know what is on the door.

Prestoninformation

WaterlooOntario

Vintage Mortise Lock Service · Cambridge, Hespeler, Blair

Town
Preston, Waterloo
In business
26 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.

  • 48 in 100 homes · mixed ages
  • About 48% of homes in Cambridge were built in 1980 or earlier, according to the 2021 Census.In areas with homes from many decades, a locksmith gets to match the solution to the house rather than apply one answer everywhere. Period hardware stays on the houses that suit it; modern security goes where the door and the household want it.
  • Single-detached houses make up about 57% of homes in Cambridge (2021 Census).In mixed neighbourhoods, a family may move from an apartment to a house or the other way around. A locksmith who knows both kinds of door can rekey the old place for the next occupant and set up the new one on the same visit.

Source: Statistics Canada, Census Profile

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On-site assessment

Request a visit.

The brass knob on the front door of your century home turns, but nothing happens on the other side.

(226) 807-5217, open 24/7.