Window installation correct or sealing tape faulty?

  • Erstellt am 2021-03-28 20:26:23

Klappradl

2021-04-02 17:08:10
  • #1
The tape is supposed to seal the joints airtight to the inside. But that can also be done with the attached plastering strips. The problem here is the corners at the bottom where the sealing tape meets the APU strip. In my opinion, the sealing tape is not applied high enough. The mounting anchors used are perfectly fine.
 

manuwel93

2021-04-02 17:39:57
  • #2
Thank you in advance for your answers! Unfortunately, I haven't been around for a few days due to time constraints, so no new picture, but the original one attached in its original format.
 

marco2403

2021-04-02 19:03:56
  • #3
However, the wall anchors are not suitable for installation in the insulation layer. Take a close look at the picture; one screw is screwed into the Styrodur. My windows were installed exactly like this, and an expert had to explain to the window installer how a window must be fixed in the insulation layer. How is the load transfer downwards? I guess it’s just foamed as well.
 

manuwel93

2021-04-02 21:34:21
  • #4
I believe the bottom is also only foamed. I couldn't check exactly because of the sealing tape. The suspicion is also likely since you can push the middle bar (double window) back and forth with moderate force. By the way, the house is being or has been brick-faced.
 

knalltüte

2021-04-02 21:46:25
  • #5
I believe the corresponding tightness inside can still be achieved this way. If the reveal plates are in the APU strips (in the strips, behind the reveal plates there is a swelling sealing tape), the connections on the left, right, and top should be fine. The connection downwards to the already glued sealing tape from the side of the reveal plates must then be carefully executed with suitable sealing tape.

It would be good if there are no cavities later directly at the windows (between the reveal and reveal plates / window), as this is exactly where condensing water would form.

Currently, I would worry more about the fastening. Try unscrewing a screw. It looks to me like some long Spax screw that has been screwed into the stone. And it has already been said that it’s a stupid idea to screw a screw into EPS/Styrodur. As usual, “real experts” at work with the brain left at home especially for the job :mad:

We can’t see the fastening at the bottom.
 

SchwalbenFahre

2021-04-02 21:56:00
  • #6
Your stone is very soft and porous. If they only foamed below and did not install fall protection brackets, there will be trouble later. Better to involve an expert immediately. Such window installation is botched work.
 

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