If there are many types of keys, there are also several types of door locks available. These door locks are used in different facilities including houses, offices, restaurants and other business and private establishments. These door locks have different kinds of keys as well as uses. Some of them provides high security while others have little to no security at all.
Here are several types of door locks recognized by the best locksmiths in Romford along with their features.
Passage lock only provide separation between rooms but offer no privacy. It could either be knobs or levers which come in pairs with one for each side of the door. It is also a kind of interior lock since it is used only inside the house which serve as a lock for interior doors. It is common on hallways, closets and other rooms which only require cover with easy access. You can get these in different designs.
Privacy lock is another variety of interior lock but provides privacy. It has a lock that can only be opened inside for convenience. However, in case of emergency, it can still be opened from the outside by inserting an object in a narrow hole. This emergency mechanism offers no security since it can still be accessed anytime from the outside. This lock does not have a key device like the passage lock. It also comes in a wide variety.
Unlike other locks which still serve as a lock or hold the door, dummy knob is solely for decoration. It does not have a key nor a locking mechanism. It still comes in different styles.
Entry lock is the typical door knob from inside and outside the door. There is a lock mechanism in the inside knob which can be turn or press to lock or unlock. The outside knob has a key hole which needs the key to unlock the door. This lock is considered a medium security lock which thieves can easily unlock nowadays using some tools.
This lock is among the locks that provide the best security. It is very hard to pick from the outside. It does not have springs as a mechanism but uses bolt instead as the primary mechanism. The only way to open it from the outside is with the right key or by turning a lever from inside. Among its variations are single-cylinder and double-cylinder deadbolts.
Just like its name suggests, this deadbolt is installed not within the door but just on the surface of the door. The bolt will also go into an installed strike at the surface.
Mortise lock is characterized by the rectangular frames that hold the knobs or levers on either side of the door. It has a key mechanism to allow unlocking from the outside. This is also common among residential houses.
Night latch has an automatic locking mechanism which activates every time the door closes. This lock is usually accompanied with another lock to improve security.
This lock is the most advanced lock available. It uses either visual or audio recognition system to unlock. Others got a keypad to input the code. Others change the code frequently to prevent burglary.
Locksmiths in Chelmsford are experienced in all these kinds of lock. Make sure you contact a certified locksmith when installing or repairing these locks.