Inner wall damp from rain

So, our construction company has taken a position and informed us as follows:

"We had an appointment this week with a publicly appointed expert and also discussed your case.

The expert confirmed that the weather conditions of the last 8 weeks have never occurred before in this way.

Considering that there have been no problems since you moved into your house, it appears to us

that water has accumulated at the house. The water could not infiltrate quickly enough and the masonry was permanently in water.

The sealing systems installed by us do not work against standing/pressing water.

We offer to remove a stone from the sill to check the sealing on the element.

Execution would be scheduled in the next calendar week after consultation.



We additionally recommend you to modify the laid terrace. The execution does not comply with DIN regulations.

15 cm below the water-bearing level are required.

In the event of short-term rain, the current execution works, but it is to be expected that the storm-like continuous rain

will not remain an isolated case.

I advise reworking the terrace and the connection to the building.

We are very aware of our responsibility and have the greatest interest in a lasting solution.



You should dry the damp spots with a fan heater to prevent mold formation."


What do you say about this and what does this sentence mean?

15 cm below the water-bearing level are required.

Our paving stones start about 10 cm below the upper edge of the sill. Is this too high? Below that there is also enough gravel and around the house there is a drainage.

Oh yes, it's also at my parents-in-law's, but no paving has been done there yet.

I am looking forward to the experts' answers. Unfortunately, I cannot say anything about it, but since we still have to lay out our terrace.....

Hello OlliD. nice, or not, that I find another house builder here who has the same problems... We built in 2012 under the same weather conditions as now Christmas 2014!... We have only floor-to-ceiling window/door units on the ground floor. The interior walls at the units were also damp/wet. Maybe the connections/seals of the units are faulty... after professional drying? Since then the problem did not occur again... we also didn't have this weather combination (driving rain and storm).... until now before Christmas..... and lo and behold, we have this problem again... A neighbor has the same problem.... We will soon commission an expert to take a look at the matter, let's see what he says... I can report after the appointment. Do you already have any findings or statements from an expert??

Hello! I also think it’s good that there is still someone else, especially who built with the same company. Thus, your house is number 5 for which the problem is known. So far, we have only received information from our site manager, as written above. I myself have not yet commissioned any experts. I would be happy to receive a report from your expert. May I ask where you built?

Hello,
where we have built I do not want to write...
But I will get in touch as soon as something is decided