Learn the inside story of the ceramic tile paving industry and avoid being fooled by unscrupulous masters

Tile laying is a necessary process for decorating a new house, but in this process, many owners will suffer a lot. Why? First, there is little knowledge about ceramic tiles. Second, supervision is weak, resulting in illegal construction, resulting in hidden decoration hazards and unnecessary losses. Therefore, in response to this situation, the editor has specially introduced a series of ceramic tile laying knowledge to everyone. Once you understand it, it will be difficult for bad masters to trick you.

1. Why do we need to leave special seams when laying ceramic tiles? Can’t we leave no seams?

Many times when we lay tiles, the master will leave seams. Whether it is seamless tiles or round edge tiles, seams need to be left. The main reasons are:

We know that many things will expand and contract with heat, and the same is true for ceramic tiles. Both the ceramic tiles and the cement mortar used to adhere the ceramic tiles will have thermal expansion and contraction throughout. When the temperature and humidity change, there will be a certain expansion and contraction. If no seams are left, the ceramic tiles will bulge and shrink later. cracking situation.

There are errors in each tile when workers are constructing: laying ceramic tiles is a very high-tech project, and it is impossible for workers to ensure that every tile is laid without errors during construction, so if If you leave a seam, the tile seam will be relatively straight and will not affect the appearance.

2.? After the seams have been left, when should the seams be caulked?

Generally, the master will caulk the tiles when they are dry, but if this is not done, they will usually Something went wrong.

The tiles are uneven; 2. The tiles are loose. In this way, when living in the later period, the tiles are easy to fall off, and the final time for jointing is better 24 hours after laying the tiles. Before we do the caulking, we must clean the dust in the gap, and then squeeze and fill the caulking agent. Be sure to squeeze and fill it fully. Pay attention to cleaning the brick surface in time after the caulking.

3. Do vitrified tiles need to be soaked in water in advance?

A friend asked the editor about this question before, and the editor also talks about it here. The water absorption rate of vitrified tiles is less than 0.5, and they basically do not absorb water, so they can be laid directly without soaking in water.

4. If ceramic tiles have been laid before, what should be done now?

The original ceramic tiles need to be smashed first, including the cement mortar dry ash layer of the base layer, etc. Just clean it off and re-tile it.

5. Should kitchen and bathroom tiles be laid first or floor tiles first?

Both of them can be laid first, but two issues must be paid attention to: 1. Is it beneficial to the previous construction project? protection; second, it will not affect the construction period.

General decoration companies install the existing walls and then install floor tiles, which will not affect the wall tiles and the construction period.

6. If there are tiles originally, can we lay tiles directly on the original basis?

This needs to be discussed in two layers. If it is wall tiles, the editor will not It is recommended to do this, because if the ceramic tiles are pasted on the surface, the surface will be relatively smooth, so the adhesion of the ceramic tiles will not be enough, and they will easily fall off later, which can easily cause accidents. If it is a floor tile, this operation is OK. You can directly use cement mortar to lay it, or use a special tile adhesive to lay it.

7. Is it okay to not lay ceramic tiles on the balcony wall wardrobe?

In fact, as long as the basic treatment and leveling of the wall are done during construction, this does not matter.

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