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Technician in a cap working a screwdriver at a steel lock plate on a navy door, with an open tool bag behind.

Locksmith · Mississauga

Tips and plain talk

We would rather you knew enough to make a good decision than rely on us to make it for you. The short articles here explain how locks work, what wears them out, and which small habits keep your doors, keys and cars trouble-free for longer.

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Good questions about locks

Person holding a removed black lock assembly beside a partly open brown front door with a long black pull handle. — Home Lockout Service, Mississauga

Lockout Services

My lock is a high-security model. Can it still be opened?

Yes. High-security cylinders with security pins, sidebars or restricted keyways are designed to slow an intruder, and they do slow a locksmith too, but they open with the right technique, a decoder made for that keyway, or as a last resort a precise drill through the cylinder followed by a like-for-like replacement. Bring any key card or code card that came with the lock, since restricted keys are cut from those records rather than copied. Home Lockout Service

What is a restricted keyway and is it worth having for a business?

A restricted or patented keyway is one whose blanks are supplied only through the manufacturer's authorised channels, so duplication is controlled rather than available at an ordinary counter, though the exact authorisation step varies by program and is not always a signed letter. For a company with staff turnover, cleaners and contractors, it means the keys in circulation are far easier to track. It can be introduced during a rekey, on the exterior doors only or across the whole premises, and works alongside a key register. Business Lockout Service

What should I do while I wait for the locksmith?

Put both halves of the key somewhere safe, note whether the door or vehicle is locked, and leave the keyway alone. If it is bitter cold, keep the storm door closed so the lock is not taking freezing rain. Have identification ready, or vehicle papers for a car. If the door is open, stay near it. That is all; the extraction goes smoother for a lock nobody has poked at. Broken Key Extraction

Will my door be boarded up, or can it be made to lock tonight?

Most forced doors lock again during the visit. If the slab and frame are sound, a new lockset goes in and the strike is reinforced. If the jamb is split, a repair plate or a boxed strike screwed into the stud usually holds it. Boarding is reserved for openings where the frame or the door itself is destroyed, and even then it is fitted so the household can get out from inside without a key. Break-In Damage Lock Repair

Hands holding a lock cylinder and a ring of keys above a worn workbench with another cylinder and loose keys. — Lock Rekeying, Mississauga

Change or Rekey Locks

How often should locks be rekeyed?

There is no calendar for it. What matters is who holds a key, not how many years have passed. Think about it when occupancy changes hands, when someone who had a key no longer needs one, or when a ring goes missing along with something that shows where you live. Between those moments a well-kept cylinder may need no scheduled care, and when it does, use whatever that cylinder's maker specifies. With the doors already on one recorded system, any repeat is a short piece of work. Lock Rekeying

Does the finish of the deadbolt matter beyond looks?

It does on an exposed door. Winter salt spray, summer sun and humid air all work on the outside trim, and residential deadbolts carry a finish grade that reflects how well the coating resists them. A lifetime or PVD-style finish stays bright longer on a south-facing or roadside door, while a sheltered porch door can carry any finish you like. Matching the knob or lever below is mostly a matter of taste. Deadbolt Installation

Is a smart lock a good upgrade, and what happens when the batteries run out?

For a household with many people coming and going, codes that can be added and removed are a real convenience. Behind the keypad it is still a deadbolt, so grade and strike matter as much as ever. Batteries typically last months and the lock warns you as they fade; depending on the model, a dead battery is handled with a mechanical override key or with external contacts for a temporary power source, so it is worth confirming which one your lock uses. Lock Replacement & Upgrade

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. Vintage Mortise Lock Service

Small dark safe with a combination dial on a wooden desk beside a closed laptop and books. — Safe Opening & Combination Change, Mississauga

High Security Locks

How often should a safe combination be changed?

There is no fixed schedule; the sensible trigger is a change in who knows it, such as an employee or manager leaving, rather than a set number of months or years. A combination that has only ever been known to current staff generally does not need changing on a routine basis, since the lock itself does not wear out from correct use the way a mechanical part might. Safe Opening & Combination Change

What information should I have ready before requesting a quote?

Knowing roughly what the safe will store, whether it is a new purchase or an existing unit, and what floor or wall it will sit against covers most of what shapes the visit. If the safe is already on site, its approximate weight and dimensions help too, along with whether it currently has a working lock and combination. An insurer's stated rating requirement, if there is one, is worth mentioning as well. Safe Installation & Servicing

Can all my doors be on one key?

Yes, and most homes ask for exactly that. Every exterior cylinder is pinned to the same combination so one controlled key opens the front, back, side and garage entry. A gate or shed padlock on the same keyway can join it. For businesses, the same keyway can carry a small master system where staff keys open only their areas and a manager key opens everything. The keying plan is agreed before any pinning is done. High Security Locks

Person handling a lock cylinder at a workbench lined with cylinders, keys, small pin trays and blank key tags. — Commercial Rekeying, Mississauga

Commercial Locks

What is the difference between rekeying a business and replacing its locks?

Rekeying keeps every lock on the door and changes only the pins inside the cylinder, so a new key works and the old ones stop. Replacing swaps the hardware itself. Commercial cylinders are made to be repinned many times, so rekeying suits any lock in sound condition and leaves the levers, trim and door untouched. Replacement is chosen door by door for cylinders that are worn, corroded or too light for what they protect. Commercial Rekeying

How is accountability maintained when several people hold different levels of keys?

Through the chart and issuance log rather than memory. Each level is tied to named roles or people, each key is marked to reflect its level rather than the door it opens, and any change of hands is recorded with a signed receipt. That record names every authorized holder for a door, though it can only account for a key that was never copied, loaned or picked up by someone outside that list. Master Key System Design

Can we see a log of who entered and when?

Yes. The controller keeps a running record of which credential was presented at which door and when, available to the administrator at any time, not only after an incident. It can be checked for a specific door, date, or credential, which is useful for everyday questions as much as investigating something unusual, though it identifies the credential used rather than confirming who was physically holding it. Access Control Installation

Does a retrofit into an older building work the same way as new construction?

The device and trim choices are the same, but a retrofit usually has to work with a door and frame that already carry someone else's old hardware preparation. Reading what holes and reinforcement already exist, and choosing a device that can use or cleanly replace them, is a bigger part of a retrofit than of a new opening built with the hardware in mind from the start. Panic & Exit Hardware

Two adults discussing a key fob beside a parked car. — Car Lockout Service, Mississauga

Car Keys

The key broke off in the door lock. Is that still a lockout call?

Yes, with one extra step. The broken piece is drawn out with extraction tools that grip it and pull straight, never pushed deeper, and then the door is opened normally. The cylinder is checked for worn wafers or salt and cleaned or lubricated, and the key itself is inspected too, since bending, wear or fatigue can snap a key even in a healthy cylinder. A new blade is cut from the two halves or from the code, because a worn copy would break again. Car Lockout Service

How many keys should a car have?

Two working keys is the sensible minimum, and it is what most vehicles left the factory with. One lives on your ring; the other lives somewhere safe away from the car. With two, any future key work is an add-a-key job rather than a reset from nothing. Households that share a vehicle, or owners with a remote starter on one fob and a plain key for the valet, sometimes prefer three. Car Key Replacement

Can spare keys be made for older vehicles without a chip?

Yes, and it is usually the most straightforward version of this service. A vehicle old enough to use a plain mechanical key has no chip to read or program, so the whole job is cutting a matching blade, either traced from the original or cut to code, and testing it in every lock the first key opens. Spare Car Key Duplication

Can a cracked fob shell be fixed without replacing the whole fob?

Often, yes. A replacement shell built for the same internal electronics can be fitted around the working circuit board and buttons, so a fob that still functions but looks and feels worn out gets a new case rather than a full replacement. This only applies when the electronics inside are still sound; a board damaged by water or impact may need the fob itself replaced. Key Fob Programming

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