Pros and cons of installing floor chipboard throughout my 42 sqm extension before nailing up interior walls? No load-bearing walls, in other words. It will include 1 bathroom, 1 bedroom, and a hallway with a drying room inside this space.

Can you do the same with the slatted panel in the ceiling? Attaching a sketch of the extension.
 
  • Hand-drawn floor plan sketch of a 42 sqm expansion, including a bathroom, bedroom, and hallway with drying room. Dimensions and layout in pen on grid paper.
probably just a matter of taste. But it is easier to build walls if the floor is there and also the sparse ceiling. The perfectionist probably does it differently, but in general, no modern building material is made so that you can lift it up for any reason anyway.
 
S Stefan1972 said:
probably just a matter of taste. But it's easier to build walls if the floor is there and also sparse in the ceiling. The perfectionist probably does it differently, but in general, no modern building material is made in such a way that you can lift it up for some reason anyway.
That's what I thought too. If you get water damage, for example, you'll have to break it apart anyway since the floor particleboard is glued anyway.
 
Claes Sörmland
Don't forget to seal between the inner wall's sill and the floor boards. Otherwise, it can become an annoying gap that leaks sound.
 
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Revoman
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Claes Sörmland Claes Sörmland said:
Don't forget to seal between the inner wall's sill and the floor chipboard. Otherwise, it can become an annoying gap that leaks sound there.
You glue the stud to the floor chipboard, right?
 
Claes Sörmland
R RoBo said:
You glue the rule to the floor chipboard, right?
No idea what the standard is today. But glue with something that fills the joints, like PL400, or seal with latex caulk afterwards.
 
The floor before the wall when building is rational.
Worse when you need to take up the floor, not easy to cut the chipboard all the way to the wall.

The floor after the wall results in more deflection in the floor near the wall if you don't brace between the floor joists.

Plague or cholera, just choose.
 
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Level9 and 2 others
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P
It is true that impact noise is more easily transferred from room to room if you have a wall-to-wall board floor (I think I read that somewhere). Nothing would stop me from laying the floor first anyway.
 
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Revoman
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The normal thing is the floor first, except when it is a floating floor.
 
J
Follow-up question for those who know. In this case, it's 42 sqm. Should you create expansion joints? Chipboard is movement-free, right, but still
 
J Jotsat said:
Follow-up question to those who know. In this case, it's 42sqm. Should expansion joints be created? Chipboard is presumably movement-free, but still
It depends on how long it is, it is stated in the installation instructions for the floor, in our house construction we placed an expansion joint under a wall because it stated a maximum of 10m wide and we have about 11m.
 
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