Content
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1 Main reasons
- 1.1 Concrete base
- 1.2 Wood base
- 1.3 Humidity
- 1.4 Temperature exposure
- 1.5 Wall drawdown
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2 Bad glue
- 2.1 Emptiness
Tile is still the most common material for decorating a bathroom, but usually after a year or two it cracks. Most owners blame defects on the poor quality of the material, but in fact, any tile is susceptible to this. Therefore, you need to know the reasons why cracks form.
Main reasons
Concrete base
Before laying tiles, many owners level the surface with a concrete screed. It seems that everything is done right, because it’s easier to cover such a wall or floor, but many do not know that concrete is compressed after drying. Because of this, a crack appears in the base, which passes to the tile.
In order to prevent such a situation, it is necessary to give concrete enough time to dry and only then engage in tile laying.
Wood base
The most unfortunate undertaking is laying tiles on a wooden base. Under the influence of moisture, the wood swells, then shrinks. The tile does not withstand constant changes and begins to form cracks. The appearance of defects in this case is a matter of time.
Humidity
If proper waterproofing has not been made during installation, then water will inevitably seep between the joints. In this case, the porous reverse side of the tile will intensely absorb moisture and swell. The tile grows in size, and the front side is covered with cracks.
Temperature exposure
Sudden changes in temperature or excessive heating leads to deformation and cracking of the tile. Particularly susceptible to samples with a small thickness and poor glaze.
Wall drawdown
If the tiles were finished in the new building, then after a year or two cracks will appear and most likely along the entire wall, since the new building will inevitably undergo a drawdown.
Bad glue
If the predominant component in the composition of the adhesive is cement, then it is more likely that the tile will crack after the mixture has set. Cement, like concrete, shrinks when it dries.
Emptiness
If little adhesive was placed under the tile, then the tile is more likely to give chips and cracks when pressed. The problem is especially relevant for flooring.
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