ᐅ Which secondary entrance door should I choose (security / fire protection)?

WildThing schrieb:
Sure?

Good question

I tried to look it up and didn’t find any differences between the individual federal states. What I did find is that it depends on where the fire protection door is supposed to be installed.

Take a look:

*"Use of Smoke Protection Doors

Smoke protection doors must be installed where required by building regulations. According to § 35 paragraph 3 of the Model Building Code (MBO), if the exit of a required stairwell does not lead directly outside, the space between the required stairwell and the outside exit must have smoke-tight and self-closing closures. Furthermore, paragraph 6 states that openings in required stairwells to basements, unfinished attics, workshops, shops, storage and similar rooms, as well as other rooms and units larger than 200 m² (2,150 sq ft), excluding apartments, must have at least fire-retardant, smoke-tight and self-closing closures. Openings from required stairwells to required corridors must have smoke-tight and self-closing closures. According to § 36 paragraph 3 MBO, required corridors must also be divided into smoke compartments by non-lockable, smoke-tight, and self-closing closures.

If an opening requires both a smoke protection door (RS) according to DIN 18095-1 and a fire door according to DIN 4102-5 Fire Behavior of Building Materials and Components; Fire Protection Closures, Closures in Elevator Shaft Walls and Fire-Resistant Glazing, Terms, Requirements, and Tests (for example, fire-retardant, smoke-tight, self-closing closure), a door that meets both requirements must be installed—that is, a fire door with smoke protection function.

Requirements for Smoke Protection Doors

To ensure smoke protection doors close automatically, door closers according to DIN 18263 Locks and Building Hardware – Door Closers with Hydraulic Damping must be used. Only hold-open devices whose suitability has been proven are allowed. If smoke protection doors are located in generally accessible corridors used as escape routes, they must not have bottom stops or thresholds. For hardware, handles, locks, and locking devices, certificates of usability (abP or abZ) must be available, and the installation guidelines for smoke protection doors must be followed. The building operator is responsible for the proper condition of the smoke protection door."

Fire protection doors are classified as follows:

fire-retardant doors = T30
highly fire-retardant doors = T60
fire-resistant doors = T90. These are further divided into single-leaf doors (e.g., T30-1) and double-leaf doors (e.g., T90-2).

The fire resistance rating of a fire door depends on the building’s use and the requirements for the wall where the door is installed. Glass integrated into a fire protection door must have the same fire resistance rating as the fire protection closure itself (e.g., T30 door with F30 glazing).


Personally, I don’t find T90 doors expensive, but that’s a matter of opinion. What is true is that “nice-looking” fire doors can be quite costly.


Regards, Bauexperte

WildThing schrieb:
That sounds really good and like a very affordable price! So, you don’t have any RCx protection at all? Is it just a standard lock cylinder?

We have RC2 security on all exterior doors and windows – for example, the front door is always secured with a five-point locking system and doesn’t have a lock on the outside at all. The garage door is protected against prying open – but anyone who manages to get into the garage can easily access the house as well. For that reason, I consider a standard garage door with a fire-resistance rating of T30 and a good profile cylinder lock absolutely sufficient.

I also thought the offer was great – especially including installation, which is really tricky with the doors.

Bauexperte schrieb:

[I]Smoke protection doors must be installed where required by building regulations. According to § 35 paragraph 3 of the Model Building Code (MBO), if the exit of a required stairwell does not lead directly outside, the space between the required stairwell and the exit to the outside must have smoke-tight and self-closing doors. [/I]

Thanks, Bauexperte, for the information! However, in our case, the hallway/stairwell does have exits to the outside. From our place, you can either go directly to the front door or into the garage....

Lexmaul79 schrieb:
We have RC2 rated security on all exterior doors and windows

Has this been taken into account in the thermal calculations (e.g., "Energy-Efficient House Calculation"…)?

Doesn't have anything to do with that after all...?

In my opinion, RC2 also requires a certain installation method that differs from the "standard." This makes the house less airtight or significantly increases the effort involved. Typically, steel brackets and masonry anchors are used. The installation manual provides more detailed information. The effort to still achieve airtightness is therefore higher. I would like to learn more about how this is actually done in practice (for example, installing windows according to RC2 in an energy saving regulation or an efficiency house) ... Feel free to share how your windows are installed (or were installed).