The modular vault room :
A solution that adapts to your buildings
Both the banking and the luxury sector (jewelers, watchmakers, goldsmiths, etc.) require vault rooms that offer more than traditional security. Traditional vault rooms are often heavy, cumbersome, and difficult to integrate into buildings with specific restrictions. That is why Bunkerkit developed the modular vault room: a light, flexible, and certified solution that protects you without major construction work.
A modular vault room for complex buildings
Each site has its own challenges. The vault room from Bunkerkit is the solution for buildings that:
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Are historic heritage and may not undergo major works,
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Have structural and weight restrictions,
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Require highly secured zones for goods and personnel,
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Have irregular or complex layouts.
With our technology, every space in your building – from basements to upper floors – can be transformed into a secure zone.

Flexofin panels: light, strong, and efficient
The core of our solution is the Flexofin panels: two steel plates with a patented, secret composite material. This innovative construction offers several advantages:
Such buildings can now be easily and effectively secured with Flexofin panels. These panels – made of two steel plates with a patented, secret composite material in between – offer various advantages:
- Fast and easy assembly
- Our teams measure the space in 3D, analyze the possibilities, and install the modular vaults without heavy construction. Ideal for locations with difficult access such as skyscrapers or city centers, or for those who cannot afford long-term construction work.
- Flexible and relocatable
- The bolted assembly makes the vault room demountable. Moving or reorganizing is therefore possible without problems.
- Optimal integration
- The light panels follow the exact contours of your space, so you do not lose any surface area and still obtain maximum protection.


Official certifications and guarantees
Safety is paramount. That is why the Flexofin panels are certified as class V according to the EN 1143-1 standard, better known as the vault standard. This standard defines the European quality and security requirements for safes, strongboxes, vault rooms, and vault doors.
The certification is carried out by the European Certification Body (ECB-S), after testing by the recognized CNPP laboratory in France. This laboratory is recognized by the European Fire and Security Group (EFSG). Thanks to these strict tests, it has been proven that the modular vault from Bunkerkit is at least as secure as a traditional safe.
In addition, we offer a 15-year warranty on our Flexofin vault rooms: strong proof of durability and reliability.
Lightweight without compromises
The strength of Flexofin lies in the unique combination of lightness and strength.
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Where traditional vault rooms are too heavy for certain floors, the modular solution does provide an outcome.
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The lower weight makes transport and installation easier and faster.
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You therefore no longer need to choose between architectural freedom and security.
With Bunkerkit, every space becomes a secure vault room, without limitations.

FAQ about the Bunkerkit vault room
A traditional vault room is heavy and requires major construction work. The modular vault from Bunkerkit is light, flexible, and can be easily installed without structural modifications.
Yes. Our Flexofin panels are class V certified according to the European EN 1143-1 standard, tested by CNPP and validated by ECB-S.
Yes. The bolted assembly makes it possible to dismantle the modular vault, relocate it, or adapt it to new layouts.
Every Flexofin vault room comes with a 15-year warranty, as proof of quality and durability.