Fire Sliding Doors

Industrial Doors

Fire Sliding Doors

For reliable building protection

Depending on the fire load, 4D european range provides reliable sliding door solutions in single and double-leaf versions that comply with requirements for operation and risk - for all areas. The fire protection designs are tested in accordance with DIN 4102, their quality is continuously monitored by MPA Braunschweig and they are approved by DIBt.
Smoke-tight fire sliding doors for safe escape and rescue routes are additionally tested in accordance with DIN 18095. They are well-suited for all areas with high personnel frequency, where, in the case of fire, people must be protected from the spread of life-threatening fumes.
For fast passage of pedestrians, hand trucks or smaller trolleys, fire sliding doors with wicket/escape door are suitable. For fire protection reasons, wicket/escape doors are equipped with slide rail overhead door closers.

4D sliding door solution


  • High qualityClick for more...
    High quality

    Hörmann sliding doors provided by 4D offer a modern door appearance through a patented V groove at the element joint without visible screw connections. The high stability is ensured through the interlocked, toothed labyrinth plug-in profile. The elements are 72 mm wide, fully glued and flush, and aligned with each other through threaded rods. This creates a high-quality door leaf with parallel, uniform-width borders. The individual elements are up to 9 m high and are produced from a single piece without any weld seams. This results in a high-quality door appearance.

  • Precise door leaf guideClick for more...
    Precise door leaf guide

    The cylindrical track roller and the stable track roller, in conjunction with the patented track, work together to provide an optimal force balance. Quiet operation and easy actuation is ensured, thanks to a suspension with ballbearing. The track can be precisely adjusted in three dimensions using adjusting screws. A track panel in the colour of the door leaf results in a harmonious overall appearance.

  • Exclusive Pearl-grain Surface FinishClick for more...
    Exclusive Pearl-grain Surface Finish

    Resistant Pearlgrain version

    For special requirements a sliding door, including wicket door, can be produced with the Pearlgrain surface. This surface is resistant to mechanical damage during operation and fitting. The galvanized version is especially suited for use in warehouses and areas with frequent traffic. The track panel, weight box and profile all have smooth design. The Pearlgrain surface is optionally available in a RAL colour of your choice.

  • Wicked Door without threshold railClick for more...
    Wicked Door without threshold rail

    Wicket doors without threshold rails provide more convenience and safety

    Hörmann is the only manufacturer with licensed trip-free wicket doors for smoke-tight sliding doors. Opening the wicket door in both directions is possible, depending on the rescue route planning. It can be variably fitted to either open into the reveal or away from it. Furthermore, two wicket doors per door leaf are possible, opening in opposite directions, as well as glazing in the door set.