Sound familiar?Halton Hills
- The call
- The back door has a deadbolt in name only: a short bolt, a thin brass strike held by two little screws, and a jamb you can flex with your palm. It was fine for a builder's showing. It is not fine for a laneway.

The back door has a deadbolt in name only: a short bolt, a thin brass strike held by two little screws, and a jamb you can flex with your palm. It was fine for a builder's showing.
Most of the value in a deadbolt is on the frame side, which is why a good installation spends as much time on the jamb as on the door. The bolt is only as strong as the pocket it throws into and the screws that hold the strike. Short screws in a standard strike bite only into the thin jamb board; a reinforced strike fastened with 75 mm screws passes through that board into the stud behind, so a blow against the door meets the house rather than a strip of pine. The pocket is cut deep enough for a full throw and aligned so the bolt slides home freely.
Sound familiar?Halton Hills
Deadbolt Installation · Halton Hills

Scene 1
Before a new bolt goes in, the door has to close properly on its own, so the locksmith swings it a few times and watches. A door that drops on tired hinges, binds against thick weatherstrip or has to be pulled to latch will put a new deadbolt out of line the moment the season changes. Hinge screws are tested for grip, the gap around the door is read for evenness, and the existing latch is checked against its strike. Small corrections here, such as a longer hinge screw into the framing or a trimmed weatherstrip, are made first so the deadbolt can be set to a door that sits square and stays there.
Scene 2
The strike is located from the bolt itself rather than from a measurement. The bolt tip is chalked, the door is closed and the bolt is thrown firmly against the jamb to leave a mark at the true centre. The locksmith bores the pocket there with a 25 mm bit to a depth of at least 28 mm, so a 25 mm bolt seats fully and reaches its deadlocked position instead of stopping short and feeling stiff. The pocket is checked with the bolt extended before any plate goes on, because a strike screwed over a shallow hole hides the fault until the first cold morning when the door has moved.
Scene 3
You leave with the keys sorted, whichever way you chose. If the new cylinder was pinned to your existing key, every ring in the house still works and the new door has simply joined the set. If it was set to a fresh key, you have a small bundle of new keys, cut from the pins rather than copied from a worn original, and a clear idea of which old keys no longer matter. Count them, decide who carries one, and test each in the new bolt before the locksmith leaves. A spare kept with a trusted neighbour or in a small lockbox is worth arranging on the same afternoon.
What shapes the quoteNorval Locksmith Pros
FeesSame any hour
Usually, yes. If the new lock shares a keyway with your existing cylinders, the locksmith repins it on the bench so your current key operates it, and nothing changes on anyone's ring. If the keyways differ, the other doors can be brought onto the new key instead. Say which key you want to keep before the hardware is chosen, because keyway is part of picking the lock.
Glass within reach of the lock is the one case where a plain thumb-turn deserves thought. Options include a captive thumb-turn that turns freely until you remove its small key, laminated glass or a tested security-film system with its specified frame attachment, or simply setting the bolt farther from the glass. Lock manufacturers describe sidelights as a weak point, so the locksmith measures the reach and lays out the choices rather than defaulting to a key on the inside.
The knob or lever holds the door shut with a spring latch: a bevelled tongue that snaps into the frame and can be pushed back by anything slid into the gap. A deadbolt is a solid rectangular bar driven by the key or thumb-turn alone, and when fully thrown it locks in place so it cannot be pressed back from the edge. The knob keeps the door closed; the deadbolt keeps it locked.
HaltonOntario
Deadbolt Installation · Whaley's Corners, Norval
Every square is one home in a hundred.
On-site assessment
The back door has a deadbolt in name only: a short bolt, a thin brass strike held by two little screws, and a jamb you can flex with your palm.
(226) 828-9866, open 24/7.
On-site assessment preferred · (226) 828-9866, open 24/7