Ceramic dish holding keys on a wooden table beside a leafy vase, with a black door, deadbolt and knob behind.

High security · Halton Hills

High Security Locks

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A colleague showed you a video of a lock being opened with a bump key in a few seconds. Then you went home and noticed your own deadbolt is the same style, bought at a hardware store a decade ago.

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In plain words

Think of the upgrade as four layers working together. The cylinder resists picking, bumping and drilling. The deadbolt resists sawing and kicking with a long, hardened bolt. The strike and screws keep the frame from splitting when the door is struck. And the key control stops copies being made without your say-so. A locksmith assesses your door for each layer and tells you where it is weak, because a strong cylinder screwed into a soft frame gains you little. Most homes end up with a graded deadbolt and a patented cylinder; businesses often step up to laboratory-rated cylinders and heavier lock bodies.

Sound familiar?Halton Hills

The call: A colleague showed you a video of a lock being opened with a bump key in a few seconds. Then you went home and noticed your own deadbolt is the same style, bought at a hardware store a decade ago.

NextHow the visit goes

High Security Locks · Halton Hills

How the visit goes

Double glass doors in metal frames with a horizontal push bar, beside a brick wall, with a parking lot and trees outside.

Scene 1
Winter, weather and daily use
A door on a farmhouse porch, a condo corridor and a shop on a busy street each see different wear. The locksmith asks how the door behaves in cold weather, whether the key has ever frozen or stuck, how many times a day it is used and whether it slams behind people. High-security cylinders with sidebars and telescopic pins are precise mechanisms and appreciate a door that closes true and a keyway kept clean. The recommendation may include a weather cover for an exposed cylinder, a closer adjustment or a hinge repair so the new hardware lives a long life.
Scene 2
Retiring the old keys and closing gaps
Part of the visit is making the old keys meaningless. Once the new cylinders are in, every previous key is tried to confirm it no longer operates anything, and any remaining door on the old keyway is either upgraded or at least rekeyed so an unknown copy has nowhere to go. The locksmith also closes small gaps found during the assessment: replacing hinge screws with long ones, adjusting a closer, adding a cylinder guard, or moving a thumb-turn away from glass. The door leaves the visit as one coherent assembly rather than one strong part among weak ones.
Scene 3
A known number of keys
The most noticeable change is not in the door but in your head. You know exactly how many keys exist, who holds each one and that nobody can add to that number without your authorisation. The system is registered in your name with the locksmith, so a request for an extra key comes back to you rather than being filled at a counter somewhere. Keep the authorisation card or login details somewhere safe and separate from the keys. When a key is lost, tell the locksmith; the record is updated and you can decide together whether that key's loss warrants any further step.

In the van

Box strike
Three-inch strike and hinge screws
Commercial mortise lock body
Wrap-around door reinforcer
High-security cylinder

What shapes the quoteNorval Locksmith Pros

Master keying: Arranging staff keys, area keys and a manager key on one system takes bench time to plan and pin, and the more levels you want, the more careful that planning is.
Cylinder only or full deadbolt: Swapping the cylinder inside a sound deadbolt is a smaller job than fitting a new graded deadbolt through the door, and a knob-only door that needs a fresh bore is bigger again.
Strike and frame reinforcement: A reinforced strike with long screws is modest work on a healthy frame. Deepening the pocket, filling split wood, fitting a jamb plate or a wrap-around reinforcer adds materials and time.

FeesSame any hour

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Before you call · 0 / 3

Is there a window or sidelight within reach of the lock?
Would you like all doors on one key, or different keys for different areas?
Is the door wood, steel-clad, fibreglass or aluminium with glass?

(226) 828-9866

Let's clear a few things up

Is a high security cylinder really pick proof?

Nothing is beyond a laboratory with unlimited time, so the honest measure is minutes, not absolutes. Rated cylinders are tested to resist skilled picking and impressioning for a set period, and drilling and forcing for another. In the real world that matters because someone at a door has seconds, not a workbench. The sidebar and false grooves in the pins give a picker nothing reliable to feel, and the hardened inserts stop a bit, which is why these attacks move on to easier doors.

What is bumping, and does this stop it?

Bumping uses a specially cut key that is struck while under light turning pressure, bouncing the pins to the shear line for an instant so an ordinary cylinder opens. It works on many standard pin tumblers. A high security cylinder needs its sidebar released by separately positioned finger or rotating pins at the same moment, and a bump key cannot set those, so the plug stays locked. It is one of the clearest advantages of the upgrade.

Why does the locksmith care so much about the strike plate?

Because that is where a kicked door fails. The bolt is strong, but it sits in a pocket in the jamb held by a thin plate and short screws, and a boot splits the wood around it. A reinforced strike or box strike fastened with three-inch screws into the wall framing spreads the blow along the frame. It is the least visible part of the upgrade and often the one that does the most.