First, what are the common causes of tile loss?
1. The basement of the wall ground is not treated properly, or the watering is insufficient;
2. The cushion cement mortar is too thick or water is added;
3, the dust on the back of the tile is not removed or water infiltration is not enough, when the tile is not cleaned on the back of the tile stains, water traces too much, resulting in false bonding;
4, for the national standards of porcelain tiles water absorption is E ≤ 0.5%, ceramic tile national standards is> 10%, so the adhesive force is far weaker than the ceramic brick, the expansion rate of the ceramic tile is about 4 × 10-6 The shrinkage rate of concrete is more than double that of porcelain bricks. When the cement shrinks, the shrinkage of porcelain bricks and the ground is inconsistent, and two different objects must be separated. In this case, empty drums appear at the bottom of the porcelain tiles.
5, Porcelain tiles have low water absorption, such as large impact force (such as heavy impact, trample, etc.) when they are not completely cemented, resulting in the separation of two different bricks and cement and empty drums at the bottom of the brick. ;
6. Due to the inconsistent density of the mortar, the mortar has settled after the completion of the initial condensing period, resulting in hollowing and loosening;
7, cement does not meet the requirements;
8, and the thermal expansion coefficient of cement is different, there is a temperature difference stress after large-size tiles are paved, seasonal temperature fluctuation will cause the bond strength to decrease;
9. The product itself has unreasonable back grain or very much attached brick bottom powder and has not taken corresponding measures during construction;
10, between the tiles, especially the large size of the left seam is too small, the tile thermal expansion and contraction caused by mutual extrusion, warping, cracking.
Second, home improvement repair tiles off a good way
1, if the mortar is not loose, only the tiles off, can be scraped off the mortar on the back and around the adhesive, in 107 glue mixed with a little cement into a paste, evenly coated with a thin layer on the back of the tile , press the tile later to stick firmly.
2. If the mortar is dropped together with the tiles, first lightly plucking some of the pits on the original foundation surface, re-stitching with mortar mixed with 107 glue, or using cement, E-44 epoxy resin, acetone, ethylenediamine After mixing in a ratio of 5:3:2:1, brush a layer on the base surface with a brush and then press the peeled tile up until the mortar hardens.
Editing Summary: The above is how the tiles fall off and how to do the tiles off the analysis of the causes and solutions related to the introduction, it is necessary to note that if the tiles are only part of the shedding, do not be able to beat the mortar on the basis of the surface, in order to prevent the shock around the original strong Tiles. For more information, please continue to follow our website.
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