Keramzitoblok: pros and cons, characteristics, prices. Reviews about construction materials

Keramzitoblok is considered a building stone, soas is formed with the help of semi-dry vibrocompression. He is given rectangular contours. The main material for the production is claydite concrete. This element is made up of cement, which acts as a binder, as well as a filler consisting of three components: water, expanded clay and sand.

expanded clay pluses and minuses

Features of this material. Reviews

The claydite block has characteristicsremarkable, as it is a unique building material that combines the properties of ordinary bricks together with the features of foam blocks and aerated concrete. The signs of brickwork are manifested in the excellent and undeniable frost resistance of the finished product. The lightness of concrete is reflected in keramzitblokah in that they also have large dimensions, a small indicator of thermal conductivity and a small weight, which makes it possible to carry out construction work quickly and easily.

claydite blocks price

Reviews of owners of houses from keramzitoblokanote the simplicity of the masonry. In addition, this material is environmentally friendly. The downside, however, is that in this material it is not always possible to reliably install fasteners.

Composition

Precisely determine the composition of this building material is possible only after determining its specific gravity. We can assume an average figure, which is equal to 1500 kg / m3. Cement is taken not lower than mark M400.Among other components, it occupies 26.7%, and therefore its mass is 430 kg. Expanded clay in the mixture is always the most, so it takes about 34% of the composition, and therefore contained in a mass of 510 kg.

clayditeblock reviews

Sand is added approximately as much ascement, but usually it is slightly less, so the value is taken at 420 g, which is 28%. All these elements dissolve and mix in the water, but there should not be a lot of liquid, since the goal is to create a mixture of moderate consistency and not liquid composition. Enough 120 kg of water, which is only 9.3% of the proportion of all components of the connection.

Differences in composition

If you reduce the percentage of cementtogether with sand, the specific weight will immediately become a little lower, so in this the parameters are oriented specifically to these building materials. If an easy mixture is made, that is, it weighs up to 1000 kg / m3, and then you can completely ignore the need for adding sand. In this case, it is necessary to slightly reduce the percentage of cement and increase the capacity of expanded clay.

The price of gas blocks is higher than that of claydite blocks. It should be remembered that products made of expanded clay can be purchased at 25 rubles, which can not be said about gas blocks, since their price threshold is 30-35 rubles.

walls made of expanded clay

Features of composition

  1. Cement is of high quality. Fractions of any kind are available, but the brand of the product must necessarily be higher than M-400.
  2. Claydite can be confused with gravel, since itssize and shade are similar to this building material. It is made from light clayey rocks in a natural environment, by firing composite elements. Usually, for manufacturing, fractions are used within the range of 5-10 mm, which makes it possible to form optimal claydite blocks. The experts' comments say that this issue should be approached carefully.
  3. Sand acts as a filler.It is not always mandatory, but in most cases it is present in the composition in the proper amount. It is advisable to take medium and large fractions, excluding small rocks as much as possible. Only with this help can we expect an excellent gluing of other constituent elements of the blocks.
  4. Water should be added clean. Do not use liquid after washing any products. If possible, purified water is added, which does not contain excess impurities.

expanded clay blocks or foam blocks

Classification

For claydite blocks construction standardsprovide a clear size: 88h190h390 mm and 188h90h390 mm. There are permissible deviations, but they should not exceed 1-2 cm from the given indices. The first dimension was specified for the blocks by which the laying of the bearing walls is performed. The second option is for creating partitions.

Keramzitoblok, the pros and cons of which can beDetermine the quality of all facets of the product, is classified into facial and rank elements. Such indicators determine the features of the appearance of all sides of each element. Ordinary used for masonry walls, which necessarily plan to revet the exterior finish, completely covering the frame. Facial help to exclude the finish and put the building into operation without finishing activities, therefore, as noted in the responses of specialists, this material can be used only if there really is a need to abandon the facing of the building.

expanded clay block

Internal structure

The characteristics of expanded clay blocks arepresence or absence of voids. If the unit is hollow, it can contain both closed and through cavities located in the vertical direction. With their help, you can significantly reduce the total weight of the material, and these holes help to purchase material at a reduced price, which often pleases buyers. On claydite blocks the price varies within the limits of 25-50 rubles apiece. Full-bodied blocks are more expensive, but they have greater strength, which also affects weight.

Sometimes such walls from expanded clayto put not manually, and with application of special technics, especially it concerns realization of dangerous works at the big height. They are often used for masonry walls. It is necessary to choose solid blocks if the building is high or will be subjected to significant loads. For gas blocks, the price is more than for claydite blocks, as they are more durable. Usually it is at least 30 rubles apiece.

Density and strength

These are the most important and decisive characteristics,helping to choose keramzitblok, the pros and cons of which are crucial in the construction of a particular building. The density determines not only the quality and wear resistance of the claydite block, but also its acoustic properties together with energy saving.

gas-block price

The reliability of the product also plays a role. All these indicators vary depending on the strength, so you should always check it before choosing the right product. When choosing claydite blocks or foam blocks, one should be guided not only by strength indicators, but also by manufacturers' guarantees. This is an important condition that must be met when choosing a quality building material.

Fraction of filler is crucial,determines the qualities that the claydite block possesses. Pros and cons of this material reflect the density of the product, so they should pay attention and control the correctness of the product. The range in which this indicator can vary is very wide. It varies from 500 to 1800 kg / m3.

It should be remembered that the price of claydite blocks is notcan be the same, since they differ among themselves in strength characteristics. It is impossible to determine the appearance of the exact wear resistance and all the capabilities of the material. Strength indicators have a wide range and are B3.5-B20. If these values ​​are redistributed to the exact value of the static load, then values ​​from 35 to 250 kg / cm2. Weight approximately allows to reveal the parameters, since it also varies from 10 to 23 kg. The material has a service life of up to 60 years, which does not make it completely durable.

Water vapor permeability

This parameter has become of interest to people recently,since it characterizes the claydite block, the pros and cons of which correlate with environmental indicators. At this point, not only professional developers are targeting this parameter, but also private builders, as well as ordinary buyers. Claydite is a "breathing" material, so you should not worry about it.

It should be remembered that vapor permeabilityclaydite is 2 times more than the figure for a brick. You can compare it with wood or plasterboard, since this indicator is slightly lower for this building material, but it is on par with the best elements in environmental terms.

Ceramsite blocks are never different.dry air. This material absorbs moisture from the atmosphere, and if the environment becomes too dry, it immediately gives it away, which allows you to always feel comfortable. Thus, a comfortable and optimal microclimate is created that cannot be appreciated.

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