After WDVS, roller shutters rub against the box.

Hello everyone,

the renovation of our little construction "house" is steadily progressing and we are steadily approaching moving in. Unfortunately, we have now probably experienced the first real setback, at least the first problem that is really causing me some headaches. Namely, the roller shutter slats rub on certain windows since the plasterer glued the ETICS. Unfortunately, the entire house has already been plastered and painted. Below is a summary

[*]New Schüco plastic windows with Lakal attachment boxes
[*]Windows including roller shutter box were installed flush with the facade on the outside in order not to have too large reveals after applying the ETICS
[*]For this purpose, the concrete aprons were cut out, so the ETICS was glued directly onto the roller shutter boxes
[*]For this, the plasterer used a transparent adhesive for plastics (Powerfix?). During installation, similar to facade gluing, they pressed and hammered properly.
[*]Now the problem: By gluing the ETICS (the wider the window, the worse) the roller shutter box was pushed inward in the middle and now partially rubs against the slats

Now the window installer and the plasterer are half-heartedly arguing about who is to blame:

[*]The window installer says that the plasterer damaged his work. After leaving the construction site on his part, the roller shutters did not rub and the boxes were straight
[*]The plasterer, who is definitely a good craft business with continuous training and has otherwise carried out all work to our utmost satisfaction, says he has never had such a thing with ETICS before. And I know that he has already insulated quite a few houses.
[*]The plasterer complains that the window installer should at least have left a note about the issue
[*]From the company Lakal we had technicians on site because a roller shutter motor was defective immediately after installation: The technicians said that it is common when gluing ETICS to wedge between roller shutter slats and box to avoid deformation. According to the plasterer, he has never heard of this.

Can anyone tell me who is responsible for remedying the defect here? And can anyone tell me if there is a minimum distance that must be present between the slats and the box?

Thanks and best regards from Südwestpfalz

Benjamin

We have the same problem with 2 windows. In my case, the question of blame (for me) is irrelevant because the window installer was commissioned by the general contractor. Much more interesting is how the problem can be solved. So, of course, without tearing down the entire facade again.

Please give more info: Are you building with a general contractor or individual contracts? Do you have a construction supervisor/site manager? I don't want to commit yet

:
Individual awarding. Construction supervision by ourselves, my dad is a civil engineer and retired. Among other things, the problem became noticeable at one window before plastering, whereupon the plasterer removed and reattached the ETICS there. However, he apparently still did not pay attention to clearance at the other windows.

@ Denz:
At our place, the reveal was made with the GIMA PrimusLPS reveal system (reveal panels are inserted into connection profiles which are glued onto the windows and the roller shutter box). We are currently discussing 3 possible solutions:

1:
The roller shutter slats run via an inlet funnel into the guide rails mounted on the window. According to the Lakal technicians, these inlet funnels can be moved inward or omitted entirely. Then the guide rails must be rounded off at the top edge so that the roller shutter still runs smoothly into the rails. Supposedly, this brings up to 3mm. Our problem here is that we have aluminum cover shells on the outside and therefore the rails are also made of aluminum. Have fun filing...

2:
The window manufacturer wants to simply cut away the area of the roller shutter box that is too narrow, i.e. the outer lower approximately 5 cm. In our case, the reveal panel would then no longer be glued to the roller shutter box but only to the ETICS above it.

3:
Create space between the pressed roller shutter box and the ETICS with a multitool or similar, then apply adhesive into this gap and wedge the roller shutter box outward until the adhesive sets.

I understand your thoughts, because that is exactly what annoys me too: We have a huge house and many windows are affected. Plastering the facade again would be an absolute nightmare. On the other hand, I have also decided not to accept botched solutions that last for 6 years and then I will pay the price in 7 years.

No one else have a tip?

We unfortunately have the same problem. Was there a solution here?
In our case, the window company and the facade company are also blaming each other.