How to judge whether the hollowing of floor tiles is a problem of the bricklayer or the hollowing of the ground base?

There are many reasons for hollowing out of floor tiles, whether there is a problem with the quality of the bricklaying or the ground base is hollowing out. Without professional tools for testing, it is difficult to make a correct judgment. After testing, The number of hollowed floor tiles and the severity of the hollowed floor tiles can be used to determine whether the hollowed floor tiles are a quality problem or caused by the base layer of the ground. Use professional tools to test the floor tiles for hollowing.

1. Method for detecting hollowing of floor tiles

1. Tools for detecting floor tiles?: Use a metal rod to tap each tile, and judge whether the tile is solid by the sound it makes. If the sound from the tiles is dull, it means the floor tiles are stronger. If the floor tiles make a crisp or hollow sound when tapped, it means that the tiles are not firmly laid and there is some hollowing. If the tiles are found to be hollow by tapping, it is best to put a mark on them to facilitate the search and confirm the number of hollow tiles. The occurrence of hollow tiles is largely caused by improper construction.

2. Hammer detection of ceramic tiles?: The hammer detection of floor tile hollowing rate is relatively standardized. The hollowing phenomenon of floor tiles is controlled within 5. In fact, the area of ??floor tiles is limited. According to common sense, there should be no hollowing of 5. It must be reworked and re-paved in 5. The ceramic tiles are laid on top of the cement mortar layer and leveled at the same time. Place the special clips in the gap between the two ceramic tiles. Press the four corners of the ceramic tiles firmly with your hands, or tap lightly with a rubber hammer, mainly to make the ceramic tiles and cement mortar The layers are bonded more firmly to avoid hollowing.

Tips Tips: Find professionals to detect hollow floor tiles. They have professional tools to find hollow floor tiles more accurately. We can feel the hollowing of floor tiles every day when we step on them. Part of a whole tile has hollowing. When you step on it, you can feel the sound of the tiles becoming loose, and you can also feel the sound of the tiles making a hollow sound. . It's just that the hollow area is small and has not yet reached the point of falling off. Such hollows should be at the edges of the tiles, and the hollows in the middle cannot be felt. Most of the hollowing of floor tiles is caused by improper construction methods

2. Check the cause of hollowing of ceramic tiles

(1) Check the cause of hollowing of ceramic tiles and check the hollowing of floor tiles. First, shovel out a hollow tile and look at the back of the tile. The back of the tile is very clean. There is no cement mortar falling off with the tile. This means that the tile does not absorb enough water. When the floor tiles are laid, the tile absorbs the moisture in the cement mortar, causing The early strength of cement mortar is not good, and the initial setting effect is very slow. In this case, the floor tiles are prone to hollowing and falling off. The number of hollow tiles is small, so just shovel the floor tiles out and re-pave them.

(2) If the cement mortar on the back of the shoveled tiles falls off together, it means that when the cement mortar was smoothed on the tiles, the tiles were not fully applied and there were gaps. The ground could not be felt at that time. The floor tiles will gradually loosen naturally after being stepped on. As long as a small part of the cement mortar and the tiles fall off together, this is a quality problem in the construction and pasting of the tiles. A few years ago, there were no new materials for pasting ceramic tiles on the market, and cement mortar was used to lay floor tiles. During the construction process, if a small detail is not done properly, hollowing of the floor tiles will occur.

Tips: For traditional floor tiles, before construction, the tiles need to be treated with blisters to allow the tiles to fully absorb water until bubbles no longer appear. In this way, the tiles will not absorb the moisture in the cement mortar. Better reduce the hollowing rate of ceramic tiles. The laying of floor tiles requires very high requirements for the cushion cement mortar. The cement mortar with good early strength will solidify and dry quickly when the tiles are laid on it. It can also reduce the hollowing of the floor tiles. The construction craftsman will lay the floor tiles in accordance with the process sequence. Quality problems will occur. The hollowing of floor tiles is related to improper construction methods of the tiler and the unsuitable cement mortar of the ground base

3. It is crucial to choose auxiliary materials for laying ceramic tiles

The reasons for hollowing of floor tiles

Most bricks appear hollow, which is directly related to improper construction of bricklayers. If the ceramic tiles have insufficient water absorption, the auxiliary materials for laying ceramic tiles are not suitable for the material of the ceramic tiles, and the ceramic tiles are not laid according to the process sequence, it may cause the ceramic tiles to hollow out and fall off.

"Ground base hollow" is the cushion layer under the floor tiles, and the expression is different in different areas. The base layer is made of cement mortar, add an appropriate amount of medium sand and water, stir evenly and spread it on the ground. Use a small shovel to compact and flatten it. The adhesive mortar on the back of the tiles is evenly spread and spread on the cushion.

Ground cushion treatment

The floor cushion is not full in some places, and it is not pressed firmly with a small shovel. The floor tiles are laid on top, and the cushion layer is slowly affected by the weight of the tiles. The floor tiles sank, which was not visible at the time. After walking and stepping on the tiles, a few years later, hollowing will appear. The hollowing of the floor tiles is also related to the improper lamination of the underlayment. Correct construction methods and choosing suitable auxiliary materials for floor tile laying are very important. Laying floor tiles is time-consuming and is also the key point in decoration. Once quality problems occur, it is particularly difficult to deal with and the consequences are basically serious.

How to deal with hollow ceramic tiles

The hollow area of ??ceramic tiles is small. Shovel out the hollow ceramic tiles. Apply "wall fixing" twice on the floor, fix the wall with adhesive, and brush twice on the back of the ceramic tiles. Apply glue all over the back. After a few hours, the milky white back glue will gradually become transparent, and then lay it on the fixing glue. The function of the fixing glue is mainly to allow the back glue to better bond with the fixing glue, and to prevent the floor tiles from reappearing. Empty drum. If the cement mortar layer falls off together with the tiles, and the area is large, it is not recommended to use back-coated adhesive. Just use tile adhesive and re-pave the floor tiles.

Summary: The hollow area of ??the floor tiles determines the subsequent solutions and construction methods. The hollow floor tiles are shoveled down and re-paved according to the number of hollow tiles. Use early-strength cement mortar to lay the floor tile underlayment. The tiles and underlayment will be bonded more firmly and will not hollow out or fall off. Ceramic tile materials are different. According to the porcelain material, it is OK to choose the corresponding tile adhesive.

The above answer analysis hopes to provide some reference help to the questioner.