How can I stabilize a parquet wood floor laid over uneven cork subfloor?

spark_sara

I made the mistake of starting off using cork under parquet to even out slightly ridged subfloor rather than doing all self levelling compound. Unsurprisingly, the floor is bouncy and a bit uneven. Fortunately, we have only done a small section and stopped as soon as we realised the cork was the wrong thing. Is there any way to correct the bounce...

Originally asked by Helen on Stack Exchange (diy) (CC BY-SA 4.0).

uphilltech

Good home-repair question — answering as the UphillTech team:

Self-levelling compound is overused in my opinion. And I don't know what you mean by "ridged" ? Could you not use a hand-plane to strip off anything that is not flat? Or a sander with coard-grade paper. Those things could strip "ridges" off a small room in an hour. Just walk around laying some parquet down and any offensive bits - remove them. And what is underneath? If it is old floor boards ... trying to put self-levelling compound over them and create a second floor on top, it's quite a mess. Then you have wood-cement-wood. What's the point? Maybe you just get 3mm hardboard panels - thats...

Full answer by rf1: https://diy.stackexchange.com/a/333568 (CC BY-SA 4.0).

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