Why do front doors have two locks?

Having a single sturdy lock on your door is perfect. However, two locks could add extra protection to your door/home or place of business. So one or two sturdy locks are okay for a front door lock.

What is the difference between single and double cylinder locks?

While the single-cylinder deadbolt only features a locking mechanism requiring a key on one side, the double-cylinder deadbolt has it on both. This means that a key will be required to turn the lock both on the inside of the door and the outside. This is the main difference between these two types of deadbolts.

What is a double key deadbolt lock?

First, let’s define a double-keyed deadbolt. It’s a deadbolt that locks from the inside and the outside with a key. This means if the door is locked, there’s no getting in or out without a key.

Should you lock your front door at night?

Protection From Criminals The most obvious reason to lock your doors at night is to protect you and your family while you sleep. Reliable companies can install locking systems for your doors that will keep intruders out while keeping your family safe.

Are two locks better than one?

From a security point of view two locks is better than one. Some insurance companies might require that you have a deadbolt type lock, offering reduced premiums if you have a recognised standard one fitted. The deadbolt is definitely a better lock than a standard doorknob lock.

Do exterior doors need two locks?

A door with a simple tumbler lock is much easier to force than a door with a tumbler lock AND a deadbolt. The addition of a deadbolt lock simply increases the difficulty in entering the building or dwelling. This why most security experts insist that every external door have two locks.

What is the difference between a single cylinder lock and a double cylinder lock?

Are double cylinder deadbolts safer?

Double cylinder deadbolts are the safest choice for homeowners. Double cylinder deadbolts require keys to open from the inside or outside. Thus, even when an intruder breaks a window that is close to the door, they can’t turn the double cylinder deadbolt open.