Old building: Covering plaster/settlement cracks (inside) (crack reinforcement)

  • Erstellt am 2013-01-08 16:20:58

wagib

2013-01-08 16:20:58
  • #1
Hello dear forum,

we have bought a house that was built in the 1940s. Shortly after the war, there was an extension, during which, probably due to cost reasons or material shortages, some kind of "botching" was done. Due to the settling, there are significant settlement cracks in the area between the extension and the original building. On the one hand, a corresponding joint between the extension and the original building was forgotten, on the other hand, it may be that savings were somehow made on the foundation. Unfortunately, this can no longer be verified, as there is no longer any information about the foundations in the building file.

According to the previous owner, cracks still appear now, but rather small ones, as the settling has now been completed. We were aware of the cracks, so there was initially no reason for complaint.

The last renovation of the interior walls (replastered) took place about 15 years ago. The cracks that have appeared since then are less than 1mm wide. Rather 0.5mm. So I think this is the maximum to be expected.

We now want to have the walls replastered and of course hope that the cracks can be suitably covered so that they do not reappear or only appear minimally. What options are available and how much movement can be "absorbed" by this.

According to our own research, there is, for example, a crack reinforcement system from Herbol. That is elastic plaster materials in connection with an elastic fabric structure.

Is this advisable or what are the alternatives? What does the professional do?

Thanks and regards
wagib
 

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