Revisions log for Answer #2298

Yes, of course, there are other possibilities. Depending on what kind of flooring/type of flooring you have in mind, and (link has already been made) whether or not there is underfloor heating.

Undercuts and corners under or near stairs are a big job.

All plinths have to be removed. This shouldn't be a problem, however, as they are usually only "spot glued" on the back side.

For the most part, the wall surfaces are not affected, i.e., damage to the plaster walls remains within normal limits and can be caulked and repainted.

To the floor surfaces:

A basic mechanical cleaning and intensive sanding of the natural stone surface is sufficient as preparation.

Prim with a dispersion approved for non-absorbent substrates, and then fill the surfaces with a 3 mm thick industrial filler.

The result is a substrate that is suitable for resilient flooring because it absorbs moisture evenly.

With underfloor heating, the heat transfer resistance should not be higher than at present. This means: only a relatively thin top layer.

If the parquet is in the room at will (whether glued down or as a floating structure), then you can't do without removing the natural stone.

Because it is impossible to calculate the risk that later the heat supply will no longer be sufficient to adequately heat the room.

I strongly advise against grinding, filling and sealing with pigment. You will not be happy with it for years to come.