The generations of today are responsible for protecting irreplaceable historic sites and cultural collections for future generations. We help keep people and precious buildings protected, as well as provide peace of mind. At Marioff, we have decades of expertise in designing, installing, and servicing fire protection systems for historic buildings like libraries, museums, theaters and more.

The Marioff HI-FOG® water mist fire suppression system safely controls and effectively suppresses fire by discharging a fine water mist at high velocity, creating significantly less water damage than other conventional fire suppression systems.

HI-FOG fire protects many internationally renowned buildings, such as the St Patrick’s Cathedral in NYC, the Bristol Old Vic Theatre or the Duchess Anna Amalia Library in Weimar, Germany. Visitors can enjoy exploring these collections and buildings safely.

An easy to install, discreet water mist suppression system

The challenge of keeping your building, collection, and personnel safe while valuing your building’s unique characteristics drives our team of specialists forward. Because the HI-FOG piping is low-diameter and lightweight compared to low-pressure systems, it is easier to find discreet but efficient solutions that preserve the aesthetic integrity in your heritage building. As the system uses less water, it also needs a smaller water tank compared to traditional sprinkler systems.

Low-diameter tubing makes it possible to keep the disruption to your operations to the minimum during the installation project. HI-FOG is also both modular and highly flexible, meaning it can be easily expanded to cover possible new extensions of each facility.

You can use HI-FOG to fire protect many types of historic buildings:

  • Museums and art galleries
  • Cathedrals and churches
  • Theaters and music houses
  • Libraries and archives
  • Historic buildings and tourist attractions
  • Heritage hotels
HI-FOG fire protects the entire historic building

HI-FOG has been tested on a wide variety of different spaces, which means it can provide an effective solution for areas subject to freezing or areas where the risk of any kind of false discharge needs to be minimized. For outlying buildings where the municipal supplies are limited, the solution can be an independent stand-alone system which requires neither external electricity nor access to municipal water supply.

HI-FOG protects all spaces in your historic building with a single system:

  • Emergency generators
  • Exhibition galleries
  • Storage rooms
  • Lobbies and corridors
  • Auditoriums and conference rooms
  • Offices, shops, and restaurants
  • Domes/cupolas, attics, roof structures

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