What is a door interlock and does my business need it?

door interlock system

How can a door interlock improve security?

door interlock systemThe demand for control systems is growing rapidly. Businesses and homeowners are often on the lookout for the latest technology and premium security tools to secure their doors, parking areas, and other entrances. One such technology that’s gaining immense popularity is the door interlock.

This provides you with a quick and hassle-free door entry and exit system. With interlocking technology, you can only open one door at a time. The two doors are electronically attached in such a way that only one door can be unlocked, while the other one remains closed. Commonly known as “air lock”, interlocked doors enable people to unlock one door, close it behind them, and then unlock the second door, keeping the premises absolutely secure at all times.

How does door interlock technology work?

Interlocked door technology is mainly recommended for companies that hold sensitive tools, assets, and information that needs to be protected from unauthorised users. You can have multiple doors interlocked. The best part is that all these doors will unlock with the same door lock sensor. One feature that sets this technology apart from other door lock systems is that all doors that are electronically connected remain unlocked. However, all doors will automatically be locked as soon as you open one door.

As mentioned earlier, the door interlocking technology allows users to access only one door at a time. You can install these doors either the exterior or interior of the designated area. The person who has requested access to the booth must carry their ID card. The exterior door will allow this authorised user to enter the vestibule once they submit the security code or hold the verification card in front of the card reader.

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It offers high-level security

You can use interlocking doors for a high level of security, no matter where you install them. They work as an access control system that restricts unauthorised access to different areas. Only an authorised person can unlock the second door using their ID card.

These doors are strong enough to resist all kinds of physical attacks. An intruder will not be able to force their way into the restricted areas. They must show their ID verification documents to enter restricted areas. Once you have the interlocked doors in place, you don’t have to spend more on expensive technology and equipment.

Detection system

While only the authorised user can unlock this electronic access control system, this technology will not prevent multiple users from entering the vestibule. In other words, there is a chance the authorised person could bring an unauthorised user with them into the vestibule. That’s when the ID verification and sensor detection tools come into the picture.

For example, if you have installed a single person sensor, you can rest easy knowing that only one person will be able to access the booth at a time. They cannot bring anyone with them, and neither can an unauthorized person get into the booth. The second door will not unlock if two or more people attempt to access the booth.

You can also install metal detectors in the booth to protect your premises from physical attacks. In addition to traditional identification systems, you can install biometric readers, face detectors, fingerprint detectors, and other digital security sensors to enhance security.

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Prevents piggybacking and tailgating

Interlocked doors prevent unauthorised users from getting into the booth through physical breaches or piggybacking. Even if a person follows the authorised user to the booth, the second door will not unlock until the unauthorised person gets out of the vestibule. Neither can an authorised person bring someone with them into the restricted area, nor can someone follow them without their consent. To put it in simple terms, there is no way an unauthorised person can pass through the interlocked doors.

Applications of interlocked door systems

Places with high-value assets or sensitive information often use these security door lock systems. They are also common in zoos and animal husbandry facilities. Other applications of door interlocked technology include research and development centres, science labs, manufacturing firms, and climate-controlled areas.

Final thoughts

Interlocked doors make it impossible for unauthorised persons to enter a restricted area no matter what device they use. Interlocked doors will restrict unauthorised entry to the designated area, providing you with a high level of security.

Knowing that no one, except for authorised individuals, can access the restricted area will give you peace of mind.