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Cellular concrete – properties

Cellular concrete – properties
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ConstructionWalls
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The choice of cellular concrete as a building material is still quite common. Its relatively low price is of great importance. But do good technical parameters go hand in hand with it? Find out the most important advantages and disadvantages of this building material.

What is cellular concrete?

This is the so-called lightweight concrete. It is formed by the introduction of gas into the cement matrix, as a result of which it achieves a relatively low weight and high porosity, which is its characteristic feature. Hence it is sometimes called aerated concrete. It has been used in construction for a long time, since the 1930s. It has applications both as a building block and as an insulating or filling material

What properties do we value it for?

The advantages of cellular concrete include the great speed with which the walls of buildings are erected from it. It has a low dead weight and is easy to work with. It also has good thermal insulation, which is made possible by its porous structure. Additionally, it is resistant to fire: in case of a 12 cm thick wall, the time of its digestion by fire is determined to be at least 2 hours.

>> See also: Step by step pitched roof

The greatest disadvantages: why is cellular concrete not the ideal building material?

Unfortunately, cellular concrete is extremely brittle, so it can be easily damaged. It also absorbs moisture very well – the external wall needs to be protected from the effects of rain quickly. Unlike aesthetically pleasing bricks, cellular concrete is not a finishing material in itself.

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