Installation of front door - thermal bridge and mold?

  • Erstellt am 2016-01-19 10:38:42

KaiTen

2016-01-19 10:38:42
  • #1
Hello,

About 1 month ago, a new front door was installed for us. Since it is an old building, the floor tiles have always protruded a few centimeters into the outdoor area, even after the installation of the new door. This is not a problem and was clear from the beginning. Since the house is not 100% level, the installer asked if he should not install the new door exactly flush with the wall on one side, because otherwise the tiles protruding under the door into the outdoor area would protrude by different amounts, about 3 cm on the left, 1 cm on the right. He emphasized that this was purely an optical question and did not represent a technical problem. So it was done that way: the left side of the door was set back about 2 cm, meaning it was not installed flush against the wall, and the resulting gap was filled with silicone. This also had the effect that the cover strip inside at the top of the door could no longer close directly with the wall. Silicone was also applied here. Now, after about 1 month, the silicone in the outdoor area is still not really hard and especially in the indoor area above the door, where the cover strip does not touch the wall, the silicone is liquid, even more liquid than it would come out of the tube. Now the question naturally arises for me whether the door should have been installed strictly flush against the wall. Perhaps it is not just, as the installer said, an optical question, but rather a technical one. So a thermal bridge was essentially created and thus an area for mold? Outdoors, the silicone can be easily pressed in with a finger. This is not normal either, is it?

Can someone help me with this?

Regards Kai
 

Elina

2016-01-19 16:25:19
  • #2
Preß an die Wand will not be mounted anyway, but the cutout is always slightly larger than the building element. Instead of silicone, the installer should have used compressible tape or foam; I don't believe that filling the joint with silicone is permissible? I would call the installer again and ask him to remove the silicone and then foam it. The foam also provides some insulation. He is responsible for the quality of his work.
 

Jochen104

2016-01-19 16:31:36
  • #3
Did I understand that correctly? The front door was placed on the floor tile???
 

KaiTen

2016-01-19 21:47:37
  • #4
No. It may have been described poorly. The frame is practically attached to the masonry on one side at the front, on the other side it was set back 2-3 cm, which created a gap at the top because the cover strip does not extend far enough to the back.
 

KaiTen

2016-01-19 22:01:58
  • #5
Here are the pictures. View: inside, strip from above. You can see that the gap gets bigger from left to right. You could practically poke through to the outer silicone with a needle, distance about 2 cm.





 

Jochen104

2016-01-19 22:02:02
  • #6
Sorry, I still can’t imagine it. Could you maybe upload a (few) picture(s)?
 
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