Basement - Insulate floor - how?

  • Erstellt am 2020-11-20 09:44:50

hansbaer33

2020-11-20 09:44:50
  • #1
Hello,
we have a concrete floor in our basement, which the previous owner additionally equipped with a structure of 80 beams and 25 mm OSB boards. The space in between is currently filled with air.
The house was built in 2006, and the basement is a waterproof concrete shell and has been insulated from the outside.

I would now like to move my office to the basement and have been considering whether it would make sense to fill the space between the floor <-> OSB boards completely with an insulation material. A laminate floor will be installed later on top of the OSB boards.

In the attic, I still have some rolls of stone/glass wool as well as a few insulation boards. Are these suitable for that purpose? Do I need to install something like a vapor barrier? The basement itself is dry!

Thanks and best regards,
Thomas
 

apokolok

2020-11-20 17:09:42
  • #2
For a house from 2006, the basement floor should already be insulated from the outside. What is the purpose of the construction with the beams and panels? To save on the screed? In my opinion, additional insulation doesn't make sense. Is the remaining room height sufficient? Because you can easily lose 10cm due to this, in my opinion, peculiar floor construction.
 

bernie

2020-12-01 20:11:08
  • #3


Says who? I claim that the basement walls have external insulation, but there is no external insulation under the basement floor slab.
 

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