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Full exterior protection

Drencher systems are installed in exterior spaces like between your building and your neighbour’s or adjoining walkways and corridors, for example. When these areas are exposed to a high (pre-set) temperature, a row of overhead drencher sprinklers that are attached to the main hydrant system will automatically release water.

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Why do you need a drencher system?

Unlike traditional sprinklers which protect interior spaces, drencher systems are specifically designed to protect window openings, roofs and any other exterior openings of a building. They are usually installed horizontally at the level of the top of a window or set of windows, and they are comprised of many moving parts including a pump unit, control fittings, an alarm device, distribution piping and a water head.

This is an effective way to stop fire damage to your building from neighbouring properties and is often required to keep your building up to code.

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Sealed VS Unsealed Drencher Systems - Mobile

Sealed VS unsealed drencher systems & installation criteria

Jetfire can design, install and maintain any drencher system, including sealed and unsealed designs. Unsealed systems are activated by manually turning on a main valve in the event of a fire, while sealed systems are activated automatically. We can also ensure that your new drencher installation meets Australian standards, by considering installation criteria:

  • Building design and other specifications should be looked at before installing drenchers, as there are specific instructions and requirements.
  • In specific areas where hazardous materials are present, drenchers cannot be installed.
  • Unless the building has a complete fire safety system, drencher systems and glass partitions cannot be used as fire barriers in exit passageways.
  • Drenchers can be installed on an exterior wall assembly, so long as the walls meet the fire resistance rating as per IBC Section 705.

We can also install short walls to achieve the minimum two inches distance requirement between the window glass and any combustible material. These walls should be at least 2 inches thick and pass inspection from a code official after installation.

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