Tile hollowing is a common construction quality problem in the construction process. As for how to remedy the occurrence of hollow, and how to effectively avoid the occurrence of such problems, today will let you know.
Causes of hollow in tile adhesive
1.The ground is uneven and unclean
Tiles have relatively high requirements on the flatness and the cleanliness of the ground. If the ground is not flat enough, or if there are foreign objects that are not cleaned up, the tiles and the ground will not be fully fitted, resulting in hollowing in the later stage. In addition, the lack of ground cleanliness will also affect the viscosity of the adhesive. In this case, even if the ground is flat enough, it will cause hollowing of the tiles.
2.Insufficient stirring
Only by stirring sufficiently can the adhesive inside be fully fused to exert the greatest bonding effect. If there is no sufficient stirring, the adhesion of the mortar will be reduced, which will lead to the hollowing of the tiles in the later stage.
3.The time after stirring is too long
After the tile adhesive is stirred to a certain extent, it will start to chemically react and produce a bonding force. Generally, it is a good time to use it within two hours after stirring. At this time, it must be used in time. Do not think that you can continue to add water and stir. Thereby prolonging the effective period
4.Apply too much
The adhesive and cement mortar are applying too much at one time, and the scraping area is too large, which will lead to the untimely laying of tiles, which will cause the mortar and adhesive to solidify and dry, resulting in a decrease in the bonding force. It is easy to cause hollowing, so do not scrape too much adhesive each time.
5.Uneven application
The uneven application of tile adhesive and cement mortar will make the contact between the tile and the wall incomplete, and the flatness after lamination is not enough, which will cause hollowing or even falling off. So be sure to apply it evenly when using the adhesive.
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