Decorative plaster for concrete: application technology, consumption

If you are accustomed to decorate the interior of your apartment or house in an unusual style, then you can use decorative plaster for concrete, which can be applied independently. Among the main advantages of this composition is an attractive appearance, high resistance to moisture and precipitation. With plaster, you can even out the surface, choosing a favorite gray shade from a wide range.

The mixture has a large number of inclusions of sand and pebbles, which allow to obtain a unique base. Decorative plaster for concrete is textured, it can be applied in layers of different thickness, while cavities and irregularities can be 3 mm or less. After the material can be applied to the wall, it will remain plastic for some time. This time will be enough to give the surface of the conceived terrain.

Despite the fact that the usual decor for concrete provides for minimalism, complex stencils and artistic carvings can be made on the plaster. Such decorative plaster will be able to satisfy any consumer, while solutions can be bold, and among the popular effects can be distinguished style of high-tech, as well as imitation of rust. If you compare this mixture with ordinary concrete, the first is able to create comfort for living, it increases the sound barrier, protects against dust and mold, and also helps to keep heat indoors.

Varieties of decorative plaster for concrete

Decorative plaster for concrete is presented for sale in several varieties. These compounds are made of micro-concrete or micro cement, which are composites and have gained popularity among private builders today due to interesting textures. As the main advantage of the material are high adhesion rates with any bases, whether it's metal, gypsum board, wood or concrete.

The plaster of the facade of the house or internal walls can be carried out with a micro cement that contains fine cement and pigments, as well as modifying polymer additives. An insignificant particle size determines the enhanced adhesion properties of the finished solution. The surface after hardening is not afraid of moisture, it is not a suitable environment for the formation of mold, and also copes well with the effects of synthetic agents. Micro-concrete is made on the basis of the previous material, but among the ingredients, one can also find an admixture of quartz. This improves the wear resistance of the finished coating. The walls are capable of undergoing high loads, and it is impossible to scratch them.

Application technology

Decorative plaster for concrete should be applied in several stages, among them: surface preparation, application of soil, preparation of mortar, as well as plastering and creating a relief. Sometimes there is a need to adjust the surface, and after dyeing the substrate and treating with the screeding compounds.

Features of training

If you decide to use the described composition for the work, you should ask how much plaster is and how to apply it. One of the first operations involves the preparation of walls from which it is necessary to wash away the dust, and if necessary remove grease stains, while using a solvent.

The concrete base is cleaned with special mechanical tools, for this purpose a brush can be put on the drill to work with metal. If there is a Bulgarian, then it is supplemented by a grinding wheel made of sandpaper. In the presence of deep cracks, they must be sealed with a solution of cement and sand, and small defects are ignored, as they can be filled at the stage of application of the basic composition.

Before decorative plaster is applied to the walls, it is necessary to treat the surface with a soil that penetrates deeply, ensuring maximum adhesion of the base surface to the finish. The primer reduces the water absorption level, and before applying it, make sure that the plane does not have an elevated humidity level.

Application of plaster

Further it is necessary to prepare a solution, which is carried out from a dry mixture and a liquid. With a mechanical method of wall treatment, the consistency should be more liquid. Now the master can start manipulating. There can be several layers, but more often there are two. First perform the role of the base. In this case, the composition is thrown by the trowel and distributed by a spatula over the treated area. It is important to maintain the required thickness of the finish, in order to obtain an even plane.

Creating a relief and correcting it

Decorative plaster on the walls, as mentioned above, is applied in two layers. After drying the first one, you can proceed with the formation of the second one. It is enough to leave the wall rough, for this not completely dried plaster should be wiped with a plastic trowel. If you want to get a deep invoice, you should use a steel trowel, with which the wizard will delete some of the material. Dry the coating should be treated with sandpaper with fine grain.

Final work

Imitation of concrete looks attractive not only inside, but also outside the house, but you can paint walls treated with plaster, although this operation is not mandatory. Most often, the surface is eventually stained not with a continuous layer, but with a stencil pattern. As an alternative, you can manually write it.

At the next stage, the walls are treated with a coating composition. As the first option, you can use azure, which is a special lacquer. This coating does not turn yellow with sunlight and does not deteriorate when steam is applied to the walls. Instead of varnish, you can use decorative wax, which gives the surface an imitation of natural stone.

For reference

Concrete stucco may look like a rough finish. To do this, use a synthetic liquid wax, which has excellent protective properties and guarantees a light matte shine. In general, the decorative effect should be selected depending on the interior solutions. For example, the high-tech style involves the use of a concrete texture in conjunction with metallic inclusions. Sometimes imitation of concrete is ennobled by Venetian plaster.

Characteristics of the plaster for concrete for the facade Knauf Diamant

The plaster of the facade of the house can be realized by the composition Knauf Diamant, which is sold in 25 kg bags and costs 330 rubles. This mixture is universal, as it can be used to create surfaces both outside and inside buildings. Frost resistance of the material is 50 cycles, and the consumption of dry product per one square meter of surface is 3.8 kg. If you know how much plaster costs in a 25 kg bag, and calculate the area of the walls, this will allow you to understand how much material you need to purchase for finishing.

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