If The key goes in but will not turn on cold mornings.
Then Clean and lubricate the cylinder.
Moisture and old grease thicken below freezing; a cold-rated lubricant keeps the pins moving.

A good cylinder shrugs off picking and bumping; a deep strike plate with long screws stops a shoulder. Together they turn an ordinary front door into one that holds. We fit high-security hardware to houses across Preston, set up keys that only you can have copied, and finish so the door closes as smoothly as before.
Same fees day or night · Preston
Pick the closest, or call (226) 807-5217
Lockout ServicesLocked out of a home or business, a key snapped in the lock or a lock that has seized: entry with the least damage…
Change or Rekey LocksNew keys for the locks you have, or new locks where the hardware has worn out: rekeying, replacement, deadbolts, smart…
High Security LocksCylinders and deadbolts built to resist picking, bumping and drilling, keys that cannot be copied without…
Commercial LocksLocks for shops, offices and buildings: rekeying at turnover, commercial-grade hardware, exit devices, master key…After a break-in, households in Preston need the door secured tonight and the decisions made later. We come out, board or repair what is damaged, replace or rekey anything that might have been compromised, and leave you with a locked house. Conversations about strike plates and better cylinders wait until the shock has passed and you are ready to have them.
Nearby Cambridge, Hespeler and Blair
Honest advice about your locks.
26 years in business · Describe the problem; we'll take it from there: (226) 807-5217
Preston
In Preston the work spans everything on a door that turns, latches or bolts. Homes: lockouts, rekeys, replacements, deadbolts, smart locks, heritage hardware. Businesses: storefront locks, exit devices, closers, master key systems, safes. Read the service that fits and see how a visit runs from start to finish.

Ignition Lock Repair, Lock Rekeying, Gate & Building Entry Locks, Access Control Installation, Lost Keys —…
Tap a situation. The answer opens here.
If The key goes in but will not turn on cold mornings.
Then Clean and lubricate the cylinder.
Moisture and old grease thicken below freezing; a cold-rated lubricant keeps the pins moving.
If The door latches fine in summer and refuses to in winter.
Then Adjust the strike and hinges for seasonal movement.
Frames shift with freeze-thaw; a strike set for the cold months keeps the door locking year round.
If The lock on the side door is frozen solid.
Then Thaw it properly, then seal against water getting in.
Forcing a frozen cylinder snaps keys; gentle heat frees it, and a weather cover keeps the water out afterwards.
WaterlooOntario
Every square is one home in a hundred.
Many can be repaired. A split along the grain is pressed back together, glued with a two-part wood epoxy and held by a steel repair plate or a boxed strike screwed through it into the stud, so the fasteners reinforce the repair as well as the lock. Missing wood is built up with filler or a fitted piece. A jamb that has pulled off the framing along its length or shattered around the pocket is replaced by a carpenter, with the opening secured until then.
It asks; it does not compel. The stamp is a request that a key-cutting counter may or may not honour, and manufacturers say as much. Real control comes from a restricted keyway, whose blanks are issued only through authorised channels against a key card, or simply from knowing how many keys exist and who holds them. A rekey resets that count to a number you chose.
Often the stiffness is grit, old oil and tired springs rather than real wear, and those are handled while the cylinder is on the bench: the plug is cleaned, new springs go in with the new pins, and a dry lubricant finishes it. If the plug has worn oval or the housing is damaged, the locksmith shows you and suggests a replacement cylinder pinned to the same key, rather than fresh pins in a lock that will keep dragging.
Photographs of each lock from outside and inside, plus one of the door edge showing the latch plate and one of the strike on the frame, tell the locksmith most of what they need. Add the door thickness if you can measure it, whether the door is wood, steel or fibreglass, the finish you want to match, how many doors are involved and whether you want them all on one key.
On-site assessment
Locked out in Preston? Reach us any hour
(226) 807-5217, open 24/7.
On-site assessment preferred · (226) 807-5217, open 24/7