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I just bought three months ago a farmhouse to renovate dating from late 1800. The house has a floor area of ​​160m2. An extension was made in 1948 of 30m2 with a parquet floor and a cellar underneath. My project is to make a kitchen, I would like to lay a tile, but as you know the parquet tends to always move and may break it. My budget is limited, I can not afford to change the floor to put it in a worm, so I come to you to offer me a solution.

It is quite possible to lay tiles on an old floor, but under three conditions:
1) the floor must be in good condition
2) the floor must be sufficiently rigid
3) the floor must be sufficiently level.
Then, it is better to interpose an element of separation between the floor and the future tiles. It can be a screed, a mat, panels of agglomerates, plasterboards provided for the floor or better yet cement-based panels. At a minimum, you will certainly have to make a patch.
Then you have to respect the following three rules:
1) use small or medium-sized tiles
2) use a glue for flexible supports (glue "flex")
3) use joints for flexible supports.

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