- Laying on an old uneven tile
- Laying on a regular new tile
- Laying on an uneven concrete screed
- Laying on an old floor
- Soundproofing under tiling
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
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
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
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
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
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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