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Ceramic tile has always been a very important aspect in the whole family decoration, not only because its cost accounts for a large proportion

ceramic tiles have always been a very important aspect in the whole family decoration, not only because they account for a large proportion of the cost, but also because they are the building materials products that have the most contact in the daily life of the family. Therefore, it is very important whether the ceramic tiles are good or bad and whether they are constructed in accordance with the requirements of the specifications

there are many aspects involved in ceramic tiles. Here we mainly discuss how to deal with the cracks between ceramic tiles. It mainly focuses on two aspects, one is the size of the reserved joint, and the other is the pointing problem. From these two aspects, the following will introduce the way to deal with the cracks in the decoration construction of ceramic tiles

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I. seam retention

seamless tiles are cut or trimmed directly, and the brick surface and side surface form a 90 degree right angle. Therefore, when the two pieces are pasted together, the gap between the bricks is very small. In this way, because the gap is very small and the integrity is stronger, some friends who pursue the effect let the workers carry out seamless paving. For the above practices, I really appreciate the spirit of pursuing perfect effect, but there is always some distance between the effect and reality. This approach not only can not really achieve good results, but also is a very wrong approach

1. Reasons why ceramic tiles cannot be laid seamlessly:

1) ceramic tiles have errors

as we all know, no product can be exactly the same in size and weight during production. As long as it meets the relevant standards, we can call it an error. For ceramic tiles, the same batch of products of the same model may have deviations in length, squareness, edge straightness, etc, There is no ceramic tile without a bit of error

2) there will also be errors in construction

in addition to non-standard construction methods, workers will have some errors in collage. The most important point is: any object has thermal expansion and cold contraction, and ceramic tiles are no exception. If the gap is too small, the strain capacity of the tiles to the environment will become poor. Due to the change of temperature, the tiles will be crushed and the normal service life of the tiles will be reduced

2. Suggestions for joint retention of common ceramic tiles

1) when laying wall tiles and polished tiles such as seamless tiles, the size of joint retention should generally be about 1-1.5mm, not less than 1mm, and air nail toothpicks can be used as a reference

2) generally, the reserved joint of antique bricks is slightly wider, generally 3-5mm

3) the cultural bricks on the outer wall of the balcony generally have a joint of about 5mm

II. Pointing

during the paving process, the ceramic tiles must be left with joints. The size of the joints depends on the specific product. Since the joints are left, they can't be left empty during use? Of course not. Generally speaking, ceramic tiles need to be pointed after paving. The following will introduce the materials used for pointing and the timing of pointing

1) jointing materials

the commonly used jointing materials are mainly cement, jointing agent, putty powder, etc. Among these materials, putty powder and white cement are more traditional materials. Now, as the jointing material, more cultural bricks are mainly used in the balcony. For example, ordinary cement mortar can be directly used to pave many balcony bricks

the waterproof performance and scrubbing resistance of putty powder and white cement are worse. Now, in the process of home decoration, it is generally not used in the pointing of ceramic tiles on the walls and floors of kitchens and bathrooms and the floors of living rooms. Now, professional ceramic tile caulking agent (also known as pointing agent) is basically selected

2) types and selection of jointing agents

jointing agents are mainly divided into sand and non sand ones in the market. Generally speaking, non sand ones are suitable for laying bright wall tiles and vitrified tiles, and sand ones are suitable for laying matt tiles and antique floor tiles

there are two ways to select the color of the jointing agent. One is the approach method, which is to select the jointing agent that is similar to the color of the ceramic tile. The other is the contrast method, which forms a strong contrast between the color and the color of the ceramic tile

3) selection of jointing time

generally, the jointing time is selected 24 hours after tiling, that is, after the tiles are dry and fixed. If the jointing time is too early, the tiles will be affected, resulting in uneven or loose falling off. In addition, before jointing, it is necessary to clean up the dust and sundries in the cracks of the tiles




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