A mortise lock is a type of locking system that is fitted or installed inside the door itself. The minimum width of a door should be at least 1.75 inches or 45mm to be able to hold a mortise lock. Mortise locks are commonly found in much older building doors before the board cylindrical locks came out.
A mortise lock is comprised of a lock body which is placed inside mortise cutout of the door, a lock trim such door knobs, lever or pulls, a strike place which is the lining for the hole in the frame where the bolt fits and the keyed cylinder where the locking and unlocking function occurs.
1. Difficulty for Intruders to Open
Since mortise locks are fitted inside the door itself, intruders will have a very difficult time forcing it open. The mortise lock system is cut into the door’s edge and only the faceplate is seen when the door is ajar. This type of lock also comprises different notches and levers that makes it very difficult to pick. Choose a mortise lock that has at least five to six lock levers or a cylinder lock which is virtually impossible to open or pick without the key.
2. Availability in Different Sizes
Availability of mortise locks means a variety of locks to use for different needs. It is important when replacing an old mortise lock to get the same dimensions to avoid making new holes for the lock body.
3. Dual Locking System
Mortise locks may be locked on both the inside and the outside making it good if locking doors from the outside is one necessity you need for your doors.
4. Aesthetically Pleasing
Compared to other door knobs in the market, mortise locks are more aesthetically pleasing because of its old antique charm. Though challenging to be installed by just about anyone other than a professional locksmith, they are still one of the top choices of people for their door locks because it is well crafted to be sturdy and will keep intruders out.
5. Sliding Bolt Lock Mechanism
A mortise lock has to be operated with the key inserted inside the cylinder. When the proper key is used the pins inside the lock mechanism will line up releasing the bolt.
6. Passage Function
Mortise locks are also designed with a passage function meaning they do not require a key and cannot be locked. And can be opened and closed at all times without problems of locking, This type of lock is good to be used in children’s bedroom doors or bathrooms to avoid accidental locking and easy access to the children inside these rooms.