Jennifer Richardson wrote:Inge, we hypothesize that an earthen floor over concrete might work all right, so long as the floor doesn’t get damp (like in a basement). But I don’t know how your landlord would react if you have a rented apartment!
Thank you Jen. Then probably it isn't such a good idea. This floor often is a little damp. There's a space under it of about 1 meter high and sometimes there's some
water in there (the highest I've seen was about 2 cm/an inch deep). So anyway first that floor has to be isolated with waterproof materials on the underside (TonZon foil). That would be something for the 'landlord' ( housing corporation). I'll ask them