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I am about to lay some new(6x6) tiles in my downstairs toilet floor and need some advice on the following. The tiles I have removed were laid directly onto a parquet floor which I don't want to remove if possible as it's welded to the concrete below. What's the best way to prep this floor and the best adhesive and grout to use. It's only around 2 square meters which I will have a go with myself as it's such a small area,cheers in advance.

I would want them up.

However........either tile backer board laid on adhesive and screwed down for the tiling substrate, or, use Ditra or a similar matt as the tiling background.

Use an adhesive with good flex properties such as BAL Fastflex and also use a flex additive in the grout.

As it is a floor, you will ideally want to be back buttering the tiles. Even those little ones.


Prime floor, put backing onto adhesive, prime backing if needed, tile, grout.

Bearing in mind you are not taking up the parquet, I would go with the Ditra or similar.

Alternatively, you know your house and how long the tiles have been down for. So you are obviously in a position to determine if the tiles can go straight onto the parquet and last.

Only been in house 2 years and gradually trying to get throughout the diy disasters the last owner had,the tiles had been previously laid on top of the parquet floor and they came up in minutes.....the parquet throughout the downstairs of the house is original and been down over 60 years,it's solid as a rock and don't want to open a can of worms by pulling it up if at all possible. Tiling is not my forte but I am confident of leaving a good finish on this small area and want to use the correct materials and methods so cheers ROC.

I think personaly if the parquet is stuck solid to concrete I would probably hit it with some SLC in the hope that any gaps between the planks will be filled and stop them wiggling loose. The SLC will cover any small bits of adhesive left and leave a nice flat surface. Make sure you follow priming instructions on the SLC and adhesive bags