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Renovation of floors: laying of tiles on different supports

You will find now in the trade a wide range of products answering practically all the cases of installation of a tiling on a former soil. If the classic smoothing compound can be suitable in a number of cases, today there are more sophisticated solutions obviously guaranteeing a better result.

Laying on an old uneven tile

Laying on an old uneven tile

Laying on an old uneven tile

It goes through the application of a primer and a self-leveling thick leveling compound (up to 10 mm thick, without cracking on drying). The laying can take place after complete drying of the assembly (1 - thick patching plaster, 2 - primer).

Laying on a regular new tile

Laying on a regular new tile

Laying on a regular new tile

It will dispense with the application of a thick patching plaster, a simple primer may be sufficient (1 - primer attachment).

Laying on an uneven concrete screed

Laying on an uneven concrete screed

Laying on an uneven concrete screed

It requires the application of a patching compound specially designed for attachment to this support and possibly a neutralizer to prevent acid reflux (1 - concrete patching compound).

Laying on an old floor

Laying on an old floor

Laying on an old floor

It is similar to that on an old irregular tile. It will, however, be advantageous to interpose a glass fabric with wide mesh (9 x 9 mm) between the primary and the thick patching compound, to allow better adhesion and especially to stiffen the support (1 - thick patching compound, 2 - glass fabric, 3 - primer).

Soundproofing under tiling

Soundproofing under tiling

Soundproofing under tiling

Can be done when laying a tile on an old support (old tiles, old parquet, etc.). There are various solutions incorporating roll or plate sub-layers placed generally between the support and the leveling layer (1-cement-glue, 2-soundproofing plates, 3-patching).

(photos / visuals: © DIY-prod, except special mention)

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