Did You Know?
A deadbolt is called so because the bolt cannot be pushed back and forth manually, but only with the help of a key.
A house should be secure enough to prevent burglars and other miscreants from breaking in, in the absence of any residents. For this, the most important thing is to have a secure locking system on the main door. While there are several types of locks available in the market, one should be well aware to choose the right lock for the house.
For example, not all of us need to install expensive keyless locking systems on the main door of our residences, and not all doors in the house require the same kind of locks. So, how would you know? Just go through this piece to find out the various types.
Different Types of Door Locks
These locks are available in a variety of designs and colors to match the color theme and décor of your home. They have no slot for inserting a key, and can only be locked by pressing a button placed at the center of the knob, from the inside. These locks can also have a lever instead of a knob.
Wondering, what to do if someone is trapped inside? Well, in case of an emergency, the door can be opened by inserting a small piece of metal through the small aperture on the outside knob. They are the least expensive of all door locks.
However, in some models, the lock is installed above or below the door knob. The key knob lock looks similar to a privacy lock, but has a slot for a key on the outside knob. A common modification of the knob lock is designed such that it opens when a card is swiped and the scanner recognizes the card key.
Knob locks can also be designed to serve as safety locks to restrict the entry of children in certain areas. Simple knob locks are reasonably priced, but they can be easily broken or tampered with.
Wondering, why these locks are so secure? Well, it's because these locks function by securing the door with the surrounding wall, thus, preventing the door from being broken into. These locks are useful on wooden as well as metal doors, and you can easily get them in different sizes.
A double-cylinder is operated using a key on both sides, and are meant for doors made from fragile materials such as glass. However, this can pose a safety hazard in case the key is lost
The major disadvantage of using a mortise lock is that it may reduce the strength of the door. The standard specifications of the mortise lock varies across countries. The keyhole is present on one of the two face plates, the other one bearing the knobs.
The mortise lock serves as a combination lock as it comprises both, a deadbolt and a latch bolt, both of which can be operated using a key.
Keyless Entry Systems
Keyless entry systems are quite common in areas with restricted entry. In addition to offering higher levels of security, these locks also allow you the convenience of not having to carry the keys around. These locks operate with the finger pressed against a sensors that detects your fingerprint which has already been stored in a database.
Once your fingerprint is scanned, access is granted within seconds.This type of locks are probably one of the toughest locks to break.
These locks are nothing but a deadbolt programmed to open on entering the correct code. While these locks offer the convenience of not having to carry your keys around, just like other keyless entry systems do, they can be difficult to break open in case you happen to forget your passcode.
However, a nightlatch alone is not enough for the main door of a house, and hence, must be used in combination with more secure locks, such as the deadbolt
However, these locks are best suited for doors within the house, and not for the main door, simply because they can be easily broken into, and hence, not secure enough. However, they are aesthetically pleasing and also easy to use.
These locks work on cylinder mechanism, wherein a cylinder is located at the center of the lock. The main advantage of these locks is that they can be easily rekeyed by replacing the cylinder. These locks are vulnerable to snapping, which means breaking of the lock into two pieces. However, the advent of anti-snap cylinder locks have countered this problem.
However, since these locks can be easily snapped, they are slowly being replaced by more advanced lock systems for higher levels of security.
So, you see there are different types of locks out there, and when you choose a lock for your main door, choose one that fits your budget, and at the same time, provides you with the security you desire.