Master Keying
A properly designed master key system saves time and tightens security. We plan, cut, and pin master key systems of any size — from a small office to a multi-building campus — including restricted keyways that can't be duplicated at the corner hardware store.
What's included
- Custom master key charts
- Restricted keyways
- Rekey existing systems
- Key control and issue tracking
Related service
This hardware is part of our Commercial Locksmith work in Saskatoon and Regina. Related products: High Security Locks.
Further reading
Browse all of our products & services or get in touch for a quote.
Master Keying: common questions
How does a master key system work?
Each cylinder is pinned so it opens with its own change key and also with a master key. Additional pins let one lock accept several keys, and a chart records which key opens which door. Levels can be added so a building has suite keys, floor masters and a grand master.
What happens if a master key is lost?
Every door that master opens is compromised, and the honest fix is to rekey them. This is why master keys should be restricted keys that cannot be copied, and why key issue should be logged. A well-planned system limits how many doors any one key opens, so a loss costs less to recover from.
Can existing locks be converted to a master-key system?
Yes, if the cylinders share a keyway or can be swapped to one. Most commercial cylinders are re-pinned in place. We survey the doors, design the chart, then rekey the building in a single visit so keys change over cleanly.
Master key or restricted key: what is the difference?
Master keying is about which keys open which doors. Restricted keying is about who can have keys cut. The best commercial systems are both: a master key chart built on a restricted keyway, so the hierarchy cannot be undermined by unauthorized copies.
Should an apartment building use a master-key system?
For common areas, mechanical rooms and staff access, yes. For suite doors it is a policy decision: a master gives staff emergency access but is a serious liability if lost. Many buildings master the common doors and keep suites on individual keys or move them to access control.
Need a Locksmith in Saskatoon or Regina?
Prestige Lock & Door provides fast, professional locksmith and door hardware service across Saskatchewan — residential, commercial, and access control.