What is Master-key system?
A Master keying system regulates access to specific zones and all locks can be operated by a single master-key, this involves each lock being individual pinned up so only certain keys will operate those locks.
What is the difference between rekey & master keying?
Re-keying means changing/replacing the pins in an existing lock so that only a new key can open it, this is recommended if you move into a home or business that was previously occupied by someone else. A Master Key System comprises of a hierarchy of keys with a master key that will operate all locks.
I have a key marked "Do Not Duplicate." Can I get a copy of it anyway?
Restricted Systems use security key blanks which are specifically designed keys which can only be obtained and copied from the Locksmith or manufacture which designed the system. Restricted security key blanks are patent protected (design registered) therefore key manufacturer are not allowed to produce copies of that design
To order or get a key cut you will need authorisation from the owner or nominee of the restricted key system and the letter should be on a company letterhead and identify the key(s) to be made, the number of keys, the person picking up the keys, and the name and number of the person writing the letter.
What is construction keying?
Construction keying is a way to secure a building site throughout the duration of the building proses, in most cases the locks will be keyed to one key (construction key) unless requested by the builder or the building owner to be different. The construction key will generally be one of a set of keys that has been used on a number of building sites so it is highly recommended to rekey the locks once the building has been handed over.
What is a drop ball system, is it the same as construction keying?
A drop ball system is a more secure way to key a building throughout the construction phase. In this method a set of small balls are used inside the lock and act as a master pin, once the home owners key or master key enters the lock and turns the plug the balls are pushed up into the top pin chamber and then dropped into a hole that is located on the side of the plug and this is where they will stay, after this happens the construction key will no longer work as the drop balls are no longer creating the shear line which enables the plug to turn in the cylinder
What is Maison keying?
This system is widely used in apartments, office blocks and hotels, for example in an apartment block each apartment has its own individual key which will not open any other apartments, but all apartment keys will open common entrance doors along with other keys that are in a master-key system, and these doors are called maison keyed doors.
What is a key profile?
A key profile is a Locksmith term that relates to the way a key is shaped this determines what plug the key can go through.
A standard Key profile example would be a SchlageC profile.