The lock is in a deadlocked mode which requires a key to both enter or exit.
Secure Mode: In this mode, the interior knob will not function without a key. So, even though you need a key to enter from the exterior, you do not need a key to exit when in safe mode. Safety Mode: The knob on the inside of the door can open and close the lock. Passage Mode: The locking mechanism is permanently unlocked so the door can be freely opened and shut. Here are the three modes of operation with double-cylinder deadlatches. This is great as you can leave your house by turning the internal knob to open the lock and then the latch will allow the door to close and lock as your exit.ĭeadlatches also come in single and double-cylinder options to allow even more functionality. However, a deadlatch allows the function of locking without a key as you close the door. Traditional deadlocks and deadbolts need to be locked with a key that extended or retracts the locking mechanism. What is a Deadlatch?Ī deadlatch combines the advantages of a deadlock with that of a latch. This is different from a traditional deadlock which includes a lock assembly and another piece of metallic hardware that secures the locking mechanism to the door frame.ĭeadbolts also come in single and double-cylinder options. This makes it next to impossible to open the door forcefully when the deadbolt is in the extended position. What is a Deadbolt?Ī deadbolt is a special type of deadlock with a bolt that extends into a hole in the wall or floor. The risk with this is you can lock yourself or someone else inside unintentionally, so be cautious when using this mode of operation. To exit deadlock mode you must insert the key in the internal or external keyhole and unlock the lock.īy using this deadlocked mode you can safeguard your house so that if an intruder breaks into your property through a window or another access point they will be unable to exit through a deadlocked door. When the lock is deadlocked, turning the internal knob will not unlock the deadlock. This allows more flexibility and security when compared to a single-cylinder deadlock.Įssentially double cylinder deadlocks introduce a deadlock mode. One keyhole on the exterior and one on the interior. With this variation, there are two cylinders and as such two keyholes. Of course, the exterior always requires a key to open and close the lock, and thus gain entry. The reason for the interior knob is so you can open the lock, and thus exit from inside the property. In this variation, the knob on the interior of the deadlock does not have a keyhole. This knob may or may not have a keyhole, which results in two different types of deadlocks. On the interior side of the door, the deadlock will have a knob. 
The rest of the lock is on the other side of the door (the interior), and these two parts connect through the door itself. Various types of deadlocks including a deadbolt and deadlatch What is a Deadlock?Īs mentioned above, a deadlock has a keyhole exposed on the exterior of the door. The easiest way to compare these three is to look at each one in more detail. In fact, most insurance companies insist that you have a deadlock installed as part of their policy requirements.īut what about deadbolts and deadlatches? Well, these two locks are also types of deadlocks, they just have differences that make them unique. As such, have become a very common way to secure homes and businesses. These special types of locks are also known for their strength and reliability. By inserting the right key and turning it you can unlock the deadlock and enter. This is different to a spring lock, on your bathroom door for example, which can be locked with a push button or mechanical switch.ĭeadlocks are most commonly used on exterior entry points, such as the front door and are characterised by just a keyhole on the outside of the door. If you want to reinforce your door lock, then this is the product for you.When it comes to security, the term deadlock refers to a lock that requires a key to lock and unlock it. Option are available for UK Mortice Locks, Euro Cylinder Locks and Oval Cylinder Mortice Locks in colours, Black, Brass, Chrome Plated, Polished Chrome, Satin Chrome and White. These door guards are designed to be installed around the mortice lock in the door, the DoorGuards come with 4 bolt through fixings that attach the guard to the door and fit over the key hole of the mortice lock. Kickstop 9601 Mortice Lock Door Guards are used to provide increased strength to doors around a mortice lock.
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