Laying tiles is a technical job. The construction master’s laying method directly affects whether the tiles will become hollow and fall off later. The emergence of tiles glue gradually replaced cement mortar laying tiles is a technical job. The construction master's laying method directly concerns whether the tiles will become hollow and fall off later. The emergence of ceramic tile glue gradually replaced cement mortar, but ceramic tile glue cannot be used at will. Today, the editor will talk to you about the few things you can’t do during the construction of ceramic tile glue.
. Can't stick thickly
Traditional ceramic tiles are generally thickly tiled, that is, cement mortar is used as the binder, and the thickness of the laying layer is between 15mm-20mm. Since cement mortar is mostly rigid mortar, it does not contain modified polymers and has no flexibility. If the base surface cracks or the substrate moves, it will cause bonding failure, which will cause hollowing and falling off the tiles.
Compared with the thick patching method, the material used in the thin patching method is ceramic tile adhesive. During operation and construction, use a toothed scraper to apply the adhesive on the working surface in the order from bottom to top to make it evenly distributed and form a uniform stripe shape. Each time, the height of a face tiles is applied, and then move upwards. The thickness of the thin patching layer is only 2-6mm, but the bonding strength is 3-4 times that of traditional mortar.
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Of course, the premise is that the tiles glue and tiles match. Therefore, when buying tile glue, you must tell the shopping guide how big your tile is, what material the tile is, and where it is pasted. These are all related to the choice of tile glue. The tile glue used in different places is different.
2. You cannot add cement
tile glue is originally a product that has been matched. When used, it has a certain flexibility after adding water to mix in proportion. The best effect of laying tiles is. If cement or other materials are added, it will destroy the scientific proportion of the tiles glue itself, aggravate the shrinkage of the slurry during the hardening process, causing the slurry to crack, resulting in problems such as hollowing and falling off of the tiles.
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Therefore, when pasting tiles, you must not add cement to the tiles to avoid affecting the adhesion of tiles. This may also be one of the reasons for brick loss.
3. It cannot be used to fill the seam
tile glue and seam filler are both auxiliary materials for building materials, but the two have essential differences. Ceramic tile glue requires strong adhesion, while seam filler requires strong flexibility, waterproofness and alkali resistance. Ceramic tile glue can only be used to paste the back of the tile and cannot be used as seam filler.
If the joints are filled with ceramic tile glue, it will block the shrinkage joints of the floor tiles. Once the floor tiles are heated, they will easily become hollow and fall off. Therefore, special caulking agents or seam-beautifying agents should be used.
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4. It cannot be used to level
tile glue itself contains cement. Thick patches will weaken its volume stability, thereby reducing the stability of the tiling system. The rough parts or heights of the floor or wall should be leveled with cement mortar materials; before leveling, the base layer must be cleaned to avoid affecting the bonding strength.
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5. Cannot be placed on the ground and stir with a shovel
First, putting it on the ground will cause the loss of effective chemical composition of the tiling glue. Secondly, it cannot be stirred evenly with a shovel, and the proportion of manual stirring and adding water is difficult to accurately, which can easily change the material ratio and lead to a reduction in adhesive force.
6. Do not soak in water. Use
. During the construction of tiles, some masters will use the method of soaking cement. Put the tiles glue in the bucket and soak it in water. This is wrong. This will cause the tiles glue to have no bonding strength and cause the tiles to fall off later.
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7. You cannot add water for a long time
When using it, you should stir and use it as soon as possible, and the use time is controlled within 2 hours. The tile glue has been used for too long, and its active ingredients have undergone chemical reactions and cannot be used with water, otherwise it will change the operating performance and lead to insufficient bonding strength in the later stage.Once the time is too long, it should be discarded.
8. The glue surface cannot be too large at one time
The glue area cannot be too large for tiles for construction. In the dry and windy weather outdoors, the area of the cloth patch scraping is too large. If the construction is too late, the surface layer will dry and bricks will cause brick loss. When laying tiles, the adhesive area of the tiles should be controlled within 1 square meter, and the walls should be pre-wetted in the outdoor dry climate.
Have you learned about the "eight cannots" during tiling glue construction?
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