Emergency exit
Emergency exits are often obligatory in public buildings, department stores and shops, cultural centres and function rooms, industrial buildings, schools and universities, embassies and many other places accessible to the…
If a door is to remain functional over time, three points are vitally important:
The latter guarantees resistance to impacts, loads and torsion so that the door remains functional (remains a door) and retains its compartmentalisation capacity.
What happens if a door loses the capacity to function as a door? You can have a good burglary-resistant or fire-resistant door, for example, but if it no longer closes properly, then it no longer serves its compartmentalisation purpose.
If the door no longer works properly as a door, then there is no point to its safety features.
The safety features of the door are important but they are usually only needed occasionally (if there is a fire, an attempted break-in, etc.), whereas mechanical resistance is a permanent benefit.
Standards | EN 1192 | EN 947 Vertical angular load |
EN 948 Static torsion |
EN 949 Soft and heavy body impact |
EN 950 Hard body impact |
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Symbols | M | MA | MB | MC | MD |
Operating method | ![]() |
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Heinen |
Mechanical resistance classes M: | ||||
M1 M2 M3 M4 |
400 N 600 N 800 N 1000 N |
200 N 250 N 300 N 350 N |
30 J 60 J 120 J 180 J |
1.5 J 3 J 5 J 8 J |
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Improved mechanical resistance M+* | |||||
M+5 M+6 M+7 |
1400 N 1800 N 2000 N |
500 N 700 N 1500 N |
240 J 300 J 500 J |
15 J 25 J 40 J |
*Additional classes only in STS 53
European standard EN 1192 “Doors. Classification of strength requirements” provides a classification method for the performance of door leaves, frames, door sets, door sets assembled according to their resistance to vertical loads, static torsion, soft and heavy impacts and hard impacts. Special requirements, such as those for burglary resistance or safety requirements relating to glass infillings are not covered in this standard.
One of the basic performance features of Heinen Metal+ hung doors is class M+7 Improved Mechanical Resistance (IMR) to avoid premature ageing due to accidental or intentional impacts.
Here are some examples of specific uses available for this Heinen's product
Emergency exits are often obligatory in public buildings, department stores and shops, cultural centres and function rooms, industrial buildings, schools and universities, embassies and many other places accessible to the…
External doors are often used as emergency exits which are also burglary retardant in stores, retail shops, function rooms, concert halls, industrial buildings, etc. They can also be used indoors…