Many homeowners will encounter such problems after the construction of the tiles: the tiles that have just been laid for a long time actually appear to be empty or even fall off, which is really worrying. No matter what, the pits on the wall and the ground really affect the appearance. Looking at the polished tiles on the side, the empty glaze on the other side, many owners feel headache. What is the cause of that? Is there any effective first aid method? The following small series will introduce you to the reasons for the new tiled emptying and the first aid.
What is a tile hollow?
Due to the presence of air in the original masonry and ash layer, tapping the plaster layer with an empty drum hammer or hard object and screeding the screed is an empty drum. According to Article 4.2.5 of “Code for Acceptance of Quality of Building Decoration Engineering†(GB50210-2001) “The plastering layer shall be free of delamination and hollow, and the surface layer shall be free of ash and cracksâ€.
Analysis of the cause of ceramic tiles
There are many reasons for the empty tiles, the surface of the wall and the back of the tile are not clean, the stains are ash, or the watering of the wall is not enough, the water is not soaked in the water, the quality of the cement mortar is not up to standard, the ratio is improper, the construction is bonded. Not true, but the most important factor is the human factor, which is the responsibility of the bricklayer.
Why are there so many tiles in the air? In fact, everyone thinks that the bricklayer is denominated in square meters. If the mortar is blended in strict proportion, and the cement mortar takes more time to stir, the bricks are carefully consolidated. It is inevitable to waste time. In order to save trouble, some bricklayers wiped the cement mortar less and stuck it to the wall. After a few times, they dealt with it. He saved time to make money, but the owner did not get high-quality decoration. The current bricklayers have more income, most of them can reach four or five thousand, and some are more. The bricklayers with lower incomes are because the work is relatively fine, and the income is more rough, and the quality of the decoration is inevitably not guaranteed.
First-aid method for emptying tiles
There are two cases of falling off tiles. One is a large area, and the other is a small area of ​​partial shedding, and the treatment of different situations is not the same. After the tiles are polished and bought, the large-scale tiles will be lifted or emptied. It is necessary to remove the tiles from the original raised or empty areas, remove the original cement mortar layer, clean the base layer, and re- Apply cement mortar. Be careful when cleaning polished tiles, don't break them, and if you can't use them again, you should buy new tiles.
Special attention should be paid to the re-pasting of the bathroom, the waterproof layer should be repainted, and the 24-hour water-tight test should be carried out. After the test is passed, the cement mortar and the tile should be applied, and care should be taken not to damage the original buried in the wall. Hydropower line.
Many owners asked, what should be done when there are only a few tiles in the house? If the mortar used for paving is not loose, only the tiles are detached, then the mortar attached to the back of the tile and the surrounding mortar can be scraped first. Add a small amount of cement into the paste in the 107 glue, evenly apply a thin layer on the back of the tile, and then press the tile to stick it. This is simple and easy, and avoids the dust flying when mixing cement mortar at home, polluting the indoor environment.
If the tile falls off, the cement mortar layer under the tile and the wall base layer or the ground base layer also loosen and “delayâ€, then the cement mortar layer can be cleaned with a blade and other tools, and the cement mortar is reapplied and the tile is laid. It should be noted that if the tile is only partially peeled off, it is not possible to tap the mortar on the base surface to prevent the original tile from being loose. When buying tiles, you may want to prepare some extra tiles for future needs. This saves extra money when replenishing and minimizes chromatic aberration.
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