Doors that can save lives in the event of a fire are a key element of preventive structural fire protection. However, in everyday working life, there is often uncertainty about which door to use and when. While the term “fire door” is familiar to many, “smoke protection door” is often mistakenly used as a synonym.
This article provides you with a comprehensive overview of the differences, functions, and areas of application of fire doors and smoke control doors.
The function of a fire door
A fire door primarily serves to prevent the spread of fire within a building. It separates fire compartments from each other, thus ensuring that a fire cannot spread uncontrollably.
Such doors are made of fire-resistant materials that can withstand fire for a certain period of time. They are classified according to their fire resistance rating: T30 (fire-retardant), T60 (highly fire-retardant), or T90 (fire-resistant). The number indicates how many minutes the door must withstand a fire without losing its function.
Fire doors are mandatory, for example, in passageways between corridors and stairwells, in technical rooms, or in underground garages. They are always self-closing and must be checked and maintained regularly.
The function of a smoke protection door
Unlike fire doors, smoke protection doors are primarily designed to prevent the spread of smoke gases – in other words, to contain not the fire itself, but the often even more dangerous smoke development. Even a few breaths of toxic smoke can be fatal.
Smoke protection doors are used where escape and rescue routes need to be secured. They must close tightly to prevent smoke from entering and also be self-closing. A seal in the door rebate and tested components ensure the necessary smoke tightness.
Typical installation locations are hospital corridors, care facilities, or passageways to necessary stairwells.
What exactly is the difference between fire doors and smoke control doors?
The difference between fire doors and smoke control doors lies in their protective effect: fire doors resist fire, while smoke control doors resist smoke. Both types of doors therefore fulfill different but equally important tasks in structural fire protection.
A common misconception is that every fire door is automatically smoke-tight. However, this is not the case!
For particularly sensitive areas, such as escape routes, door systems are therefore often used that meet both fire protection and smoke protection requirements. Such doors are classified and tested accordingly.
We support you
Both fire doors and smoke protection doors are fundamental components of an effective fire protection concept. It is crucial to understand their respective functions and to select door systems that are appropriate for the risk situation in the building. This is the only way to ensure that, in an emergency, people have enough time to get to safety and that the building does not suffer uncontrolled damage.
If you need assistance with the planning, selection, or maintenance of door systems, as a certified specialist partner, we can help you to reliably meet all legal requirements and set up your protective measures in a future-proof manner.