I have some flooring to install in a house from the 1950s with a concrete slab on the ground.

The floor currently consists of linoleum mats (with tar paper) on a floating concrete floor with slag insulation underneath, and beneath that the foundation itself.

I've done my own moisture test, i.e., chipped away wildly in some places (dry) and now also taped a 1x1m plastic sheet directly onto the concrete (dry).

My idea is to put down battens and then screw the floor into these, under the battens I'll place a sheet and strips of some kind of thicker plastic. The trick is whether I need to insulate between the battens to avoid drum noise?
I would of course prefer to keep it open between the "joists" for some ventilation.

Has anyone done something similar?

//donald
 
No, haven't done it myself,
but isn't it in such situations that you lay Platonmatta under the floor to get some ventilation?

And you seem to have ideal conditions from a moisture perspective :thumbup:
 
Yes, that's true, but doesn't one risk that the glesen sways if it's on the platon?

What do you mean by ideal conditions? To avoid moisture problems?
 
I installed a Giha floor (without ventilation) on my concrete slab. Turned out great.
 
I mean that it seems to be dry and good in the concrete.
And the slight "springiness" in the floor makes it more comfortable to walk on.
 
Tygert said:
I installed a Giha floor (without ventilation) on my concrete slab. Turned out great.
Hm, I prefer to avoid this due to building height. Do you have a floating concrete floor?

KnockOnWood said:
I mean that it seems to be dry and good in the concrete. And that there's a little "give" in the floor makes it more comfortable to walk on.
Ok, yes, so far I haven't encountered moisture, and in half the house, there's a click parquet floor with paperboard directly on the linoleum mats, and it hasn't been damaged or started to smell (neither the linoleum nor the wooden floor). However, the glue has come loose from the concrete floors in some places.
 
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