The preparation of the walls in the bathroom for tiles is a guarantee of successful work. If the walls are smooth, then laying the facing material will be much easier, and the glue consumption will decrease. However, not only the absence of vertical differences determines the success of these manipulations, but also the correct dismantling of the old lining.
Removing old trim
The preparation of the walls for tiles in the bathroom should begin with the removal of the old coating, only after that you can begin to level the surface, as well as cover it with compounds to increase the adhesion of materials. For example, the old tile must be removed together with the adhesive solution, and to facilitate the process, you need to clean the seams and wet the wall with water, leaving it in this state for several hours. If you will be preparing the walls for tiles in the bathroom, it is recommended that you first consider the photo, they are presented in the article.
It is necessary to begin to remove the old finish from the extreme tile, which is pulled off with a chisel or with a hammer. The solution will be softened by this time, so removing the tiles will not be accompanied by difficulties. Moreover, the tile will remain intact if this is important for you. When there is no need to preserve the old finish, the process can be accelerated by using an electric tool that is equipped with a nozzle in the form of a bit. Whereas from the glue residues it will be possible to get rid with a grinder.
The preparation of the walls in the bathroom for tiles may include the removal of a layer of paint, it should be disposed of with a grinding disc, reaching the layer of plaster. If this is not possible, then notches should be made on the surface, this will improve adhesion to the future coating. If the walls were whitewashed, in this case, it is necessary to get rid of the lime layer, since the adhesive solution will not adhere to such a surface. The base should be well washed, during which you can use a spray gun to soften the layer. Then a scraper comes into play. It will be possible to get rid of stains with a rag. Decorative plaster is also not suitable for tiling , which is especially true for its relief variety. You can knock it off the wall manually or using an electric tool. Wallpaper, whatever material is based on it, must also be disposed of, soaked with water, and then removed with a scraper along with glue. Leaving even the smallest particles of paper will reduce the adhesion of materials.
Wall alignment
Preparing the walls in the bathroom for tiles in the next step involves leveling. This work can be done in several ways, but putty is considered the most common. Previously, the wall is cleaned of dust, degreased and primed. After that, you should install the beacons and determine the amount of necessary material. If the differences are less than a centimeter, then one layer of putty will be enough, some masters do without it at all. If you are thinking about what composition to use for plaster, then you may prefer a cement-sand mortar or a ready-made mixture, which is sold in a store. It is important to choose a putty that has a low level of water absorption. The finished solution is applied to the wall with a spatula, and then the layer is leveled, while you need to navigate the beacons. For the reason that you will subsequently lay the tiles, perfect smoothing of the composition is not required, moreover, this will increase the quality of adhesion.
Recommendations for applying the mixture for leveling
The preparation of the walls in the bathroom for tiles involves several stages. If you faced the need for leveling, then for this, as mentioned above, you can use plaster, which is applied to the primed wall, which eliminates the excessive absorption of water material. If there is an excessively smooth surface, it will be necessary to strengthen the plaster mesh, which will prevent the solution from shedding. The process of applying the mixture should be accompanied by the use of a trowel, which must be moved from bottom to top, picking up small portions of the mixture on the working part of the tool. At the final stage, it is necessary to use the level, but after the base layer dries, grouting and grinding is performed.
The final stage
After the plastered wall dries, it is covered with a layer of antiseptic, which will prevent the occurrence and further development of mold and fungus. After all, they are the main problem in rooms with high humidity. As an additional protection, a primer will act, which will help to increase the adhesion properties of surfaces and prevent excessive absorption of moisture from the solution. After applying it, a protective film forms on the wall, which increases the density of the wall. Continue further work on laying the finish coating after all layers have dried.
Three steps to reduce glue consumption
The preparation of walls for tiles in the bathroom can be done according to a technique that will reduce adhesive consumption to a minimum. To do this, the plaster will need to be applied in three stages. The first is called a spray and forms a layer whose thickness does not exceed 0.5 centimeters. This method is excellent for reinforced concrete panels and brick walls. If it is necessary to level the wooden wall, then the thickness of the spray should be 0.9 centimeters, but this includes a stuffed shingle or metal mesh. The solution should have the consistency of liquid sour cream, it will be needed for rough alignment. Before starting work, the protruding elements are knocked down, the surface is dust-free, and the troughs are filled with cement-sand mortar. This is true for recesses greater than 5 millimeters. The purpose of the spray is to increase adhesion to subsequent layers.
Priming
Alignment of the walls under the tile can be carried out until the base is devoid of drops, then even a novice master can do the work. The primer layer of the plaster is applied two to three times, the main task of these works is the full alignment of the walls. The thickness of the intermediate layers should not be more than 5 millimeters, this applies to heavy cement mortars. If you work with lime or gypsum compounds, then the thickness should be equal to 7 millimeters or less. The final thickness of the soil should not be more than 15 millimeters, all subsequent layers are applied after the previous ones have dried. It is important to align them.
Nakryvka
The preparation of the walls in the bathroom for tiles in a prefabricated house ends with a cover, which is a finish layer having a thickness of 2 millimeters or less. Work should begin when the previous composition is still not completely dry. If this happened, then the wall needs to be slightly moistened with water from the sprayer.
Primer coating details
The preparation of the walls in the bathroom for tiles in the new building is no different from the technology that is used in old houses. After completing the above stage, you can start applying the primer, while the air temperature should be in the range from -5 to +30 degrees. Humidity should not exceed 75%. In order not to use a stepladder, it is best to use a roller or brush with a telescopic handle, you will need a tray for the soil itself. Mixing the solution is best done with a mixer or drill installed at low speeds. If there are no such devices at hand, then you can mix the composition manually. A small amount of soil should be poured into the tray, and then draw a little composition with a brush or roller. In this case, the liquid should not be sprayed on the sides.
When preparing the walls of the bathroom for tiles, it is recommended to consider the photo in advance, they will allow you to understand that the application of the primer should not imply dry or excessively saturated composition of the areas. Hard to reach places can be reached with a brush. After the treatment is completed, the wall should be left for 3 hours, during which time the soil will dry out, and it will be possible to begin applying the second layer.
Average primer consumption
Before you begin preparing the walls for tiles in the bathroom in Khrushchev, you need to ask what the consumption of different types of primers is. The numbers may vary, depending on the material in the base. If you have to apply on a plastered, brick or concrete surface a high penetration primer, you will need 1 kilogram of dry mix on 7 square meters of base. The same amount of universal composition will be needed for 15 square meters, but a water-based mixture in the amount of one kilogram will be enough for 10 square meters. When preparing walls for tiles in stalin, one kilogram of adhesive primer may be enough even for 3 square meters. Everything will depend on how intensely the base will absorb the mixture.