

On the other hand, a master key can unlock the 24 locked units. If there are 24 units in the building, there must also be 24 sub-master keys accounting for each lock. The number of sub-master keys depends on the number of rooms because it opens only a particular lock. To give you a clearer picture, imagine a building with many rooms. The key that can access multiple locks is called a master key, while those specific to a lock are called sub-master or change keys. How Does a Master Key System Work?Ī master key system is an access network where a single key can unlock various locks in the system.
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We can rekey locks to organize a residential or commercial master key system.Ĭall us today to provide you with free price estimates for our expert locksmith services. Roy’s Locks & Keys will provide reliable locksmith solutions, including lock replacement and rekeying. You may also inquire with our locksmith company if you’re planning to set up such an access system in your building. Learn more about what a master key system is and how it works through this article. This key to every lock is called the master key. However, property owners and managers usually only carry one key that can access all the locks in the property. We all know that each unit is secured by a lock that is opened by a particular key.

There are many other ways of mixing and matching master key suites, so its always best to ask a master locksmith to design the suite to your particular requirements.Apartments, condominiums, hotels, and other complex buildings are made of multiple rooms and units. The owner/mangers Master key will still open all of these doors. This sub master key could be held by the janitor allowing them access to those areas when needed but will not open any other doors. Sub Master: It is also possible to have a sub master where every door has it's own lock and key but all of the maintenance cupboards, electric cupboards, boiler rooms etc are opened by a sub Master key. Every key in the system will open the common door allowing the door to be kept locked at all times while still allowing all of the staff and tenants to be able to gain entry with their key. This common lock could be fitted to the main entrance, toilet or staff room doors. Keyed to common: In the above master suite we can also have a common cylinder. If you wish, you can mix keyed alike and master together so that the office staff have 1 key which opens all 4 of the offices but nowhere else. Other members of staff would have a key which only opens only their own office door. This means the owner/manager only need to carry 1 key in order to access the whole site without having to sort through 20 or 30 different keys every time they want to open a door. However the owner or manager can have a master key which operates all of the locks in the suite. Each tenant has their own individual flat door key which will not open any other lock in the suite. Imagine a block of 10 flats with 4 offices, a toilet, staff room and various cupboards and boiler rooms. In a shop you could have just the one key to open the security shutters & padlocks as well as the front and back doors. For example you could have the same key to open both your front and back doors. Keyed Alike: A number of locks operated by the same key.

Keyed to Differ:Individually keyed locks only opened by their own key.
