Looks like a siporex wall. That is, lightweight concrete. They are not load-bearing as they don't withstand much.

Try using a regular wood drill bit. If you can drill straight into it without resistance, then it's lightweight concrete.
 
K Knight said:
Looks like a siporex wall. That is, lightweight concrete. They are not load-bearing because they don't withstand much.

Try using a standard wood drill. If you can drill straight into it without resistance, it's lightweight concrete
I think you can break off pieces of the wall with your hands, so that seems most likely.
 
It is fine to take down all the walls inside the apartment.
 
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J justusandersson said:
It is fine to take down all the walls inside the apartment.
thank you very much for all the help
 
You can have a look around so you don't accidentally damage water pipes, heating systems, or shackt for sewage that runs between apartments. They are often encased in lightweight concrete to make it easier to replace the pipes.
 
K Knight said:
You can have a look around so you don't accidentally damage water pipes, heating system, or the shackt for sewage that runs between apartments. They are often enclosed in light concrete so that the piping can be easily replaced
okay and what signs should you look for or is it just a matter of being careful when demolishing?
 
Duct shafts and ventilation are visible on the first drawing. They are located in the apartment-separating walls. However, the electricity is not marked, so there is every reason to exercise caution. Do not take down more than necessary.
 
C
J justusandersson said:
However, the electricity is not marked so there is every reason to be cautious.
Reminds me of an acquaintance's neighbor who tore down a similar wall where it turned out that the entire house's cable TV trunk ran right through the wall. They just had to build the wall back up again. :lying:
 
J justusandersson said:
The duct and ventilation are visible on the first blueprint. They are located in the apartment-separating walls. However, the electricity is not marked, so there is every reason to be cautious. Do not take down more than necessary.
There is a switch for the lamp in the living room that I am aware of, but no other outlets on the separating walls. Could there be reason to believe there is more electricity in the wall?
 
The conduit to the lamp from the switch (VP pipes) is likely embedded in the floor structure. You need to have a plan (and a qualified electrician) for how to handle it. An exposed cable on the ceiling doesn't always look nice. You never know for sure what's in a wall. Great caution is advisable.
 
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