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Auburn MillsLocksmith Co. · Percy BoomOpen 24/7(249) 494-5980Request a visit
Detached satin-nickel lever hardware, tubular latch and strike plate on a wooden workbench. — Lock Replacement & Upgrade, Percy Boom

Change or rekey · Percy Boom

Lock Replacement & Upgrade in Percy Boom

Someone tried the back door while you were away. The jamb is splintered around the strike, the bolt is bent, and the knob turns with a grinding feel.

Lock Replacement & Upgrade

In plain words

When people say upgrade they usually mean a heavier lock, and there is a real scale behind that word. Builders hardware in North America is graded to ANSI/BHMA standards, with Grade 1 the highest and Grade 3 the lightest, and residential products carry a separate label scoring security, durability and finish. A higher grade certifies stronger performance on the standard's own tests, and moving up often brings a longer hardened bolt, a sturdier housing, pins that resist picking and a strike built to anchor into the framing, though the exact features depend on the model. The locksmith explains which grade fits which door.

Sound familiar?

Someone tried the back door while you were away. The jamb is splintered around the strike, the bolt is bent, and the knob turns with a grinding feel. Everything held, barely, and you want hardware that would do better next time.

How the visit goes

Percy Boom

How the visit goes

  1. Function, and the way out

    Each door has a job, and the hardware should match it. The main entrance needs a keyed deadbolt with an interior thumb-turn so anyone inside can leave without hunting for a key. A door with glass beside it is better served by a reinforced strike and glass protection than by a keyed cylinder on the inside. Interior doors may want passage, privacy or a keyed function, and a lever suits hands that find a knob awkward. Sorting function out first keeps looks from overriding how the door has to work.

  2. Adapting older and unusual doors

    Not every door is a standard modern slab. A century home with a mortise lock may keep its case and get a new cylinder and strike, or take a filler plate that lets a cylindrical deadbolt sit where the old case was, without hacking at the original stile. A door thicker than 45 millimetres gets extended spindles and screws. A sliding patio door gets a replacement mortise hook lock or a keyed surface bolt sized to the rail. Steel and fibreglass doors are drilled only with the right bits and a jig, and a new deadbolt above an existing knob is bored with a template so it sits square.

  3. Every lock tried the way you will use it

    Before the tools go back in the van, each lock is operated from both sides with the door open, then closed, then closed hard against the weatherstrip. The latch should catch on its own when the door swings shut, the deadbolt should throw to its stop with a fingertip on the thumb-turn and no shoulder on the door, and the key should turn without lifting or jiggling. You are invited to try each one yourself and to lock up behind the locksmith. Anything that felt marginal has been adjusted, so the door you close that night behaves the same as the one you tested.

Lock Replacement & Upgrade

In the van

  • Graded deadbolt
  • 75 millimetre strike and hinge screws
  • Adjustable latch or bolt
  • Key blanks and key cutter
  • Manufacturer-approved cylinder lubricant

What affects the quote

Same fees day, night or weekend

  1. 1Smart lock setup

    Fitting a keypad or smart deadbolt includes programming codes, pairing to a phone or hub and calibrating the bolt, which is time on top of the mechanical installation and is named in the quote.

  2. 2Number of doors

    One back door is a small visit; the front, back, side, garage man-door and patio slider together are a longer one, though several doors done at once share the travel and setup.

  3. 3Restricted keyway system

    Patented cylinders and controlled key blanks cost more than standard hardware and involve setting up your key records, which is quoted separately from an ordinary replacement.

What to have ready

0 of 3 ready

Call (249) 494-5980

Lock Replacement & Upgrade: questions

Is it possible to upgrade just the exterior locks now and handle interior doors later?

Yes, and it is a common way to spread the work out. Exterior doors carry the security load, so starting there with a graded deadbolt and a reinforced strike covers the part that matters most first. Interior locks, passage sets, privacy locks on bathrooms and bedrooms, can be scheduled for a later visit without affecting anything already done, and the locksmith can note what was fitted so the second visit matches it.

Can the same visit replace locks on more than one door, or does each door need its own appointment?

One visit usually covers every door on the job. The locksmith brings a range of cylinders and strikes, measures each door's backset and bore, and works through the list in order, front entrance first if a key change matters most there. Having a rough list ready, which doors, and whether they should end up on one key or several, lets the locksmith plan hardware before arriving rather than working it out door by door on site.

Can you match the new lock to my other door hardware?

Yes. Manufacturers make deadbolts, handlesets, knobs and levers in matching finishes and styles, so a replacement deadbolt can sit above your existing handle without looking like an afterthought. Bring or photograph the hardware you want to match, including the interior side, and note whether it is a warm brass, a satin nickel, an oil-rubbed bronze or a matte black. Where an exact match is not made, the locksmith suggests the closest family.

Change or Rekey Locks

Lock Replacement & Upgrade near you

This is the working list of services for Percy Boom: the jobs a locksmith gets asked to do week in and week out. Lockouts and broken keys. Rekeys and lock changes. Deadbolts, high-security cylinders and smart locks. Commercial hardware and master key systems. Safe opening. And key cutting, house and vehicle alike.

Open 24/7 · call(249) 494-5980Request a visit