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Aerated concrete is one of the most used construction materials globally, especially in Europe, where thousands of houses are built annually with this material.

Also called aerated concrete, this construction ally is lightweight and is used mostly for thick works. Aerated concrete is made in the form of panels or blocks. In this way, it is used most of all to construct homes and commercial or residential buildings.

What is aerated concrete?

Aerated concrete is a porous material, relatively light, and is the most economically accessible insulating element, which can be found in construction today. This is because it is produced entirely by machinery, which reduces personnel costs.

It is a type of material used for construction; it comes only from the mixture of natural raw materials, cement, land, air, and water. An aluminium blowing agent is added to this mixture, which creates microspheres of air that are distributed throughout the mixture.

When aluminium reacts with water, hydrogen is produced, and when it expands, it forms microspores with diameters between 0.5 and 1.5 mm. Then, the concrete is cured under pressure with steam or autoclave, for some time between 6 to 12 hours, with a pressure of 1.2 MPa and a temperature of 190º C.

Thus, an aerated concrete matrix is ​​formed, consisting basically of highly hydrated calcium silicates. It is a white material.

One of the characteristics of aac blocks suppliers in Delhi that distinguish this concrete is its specific weight or the amount of air per cubic meter of material. The less the weight, the greater the amount of air per cubic meter, giving the concrete an insulating capacity.

The production of aerated concrete begins with the preparation and mixing of raw materials. The cut and the molds' geometry where the material is made is prepared for subsequent palletization and packaging.

Another alternative process in creating concrete consists of foaming agents and using the heat of the hydration used in the setting. This technique provides excellent results in terms of mechanical resistance and thermal insulation.

Advantage

The AAC blocks manufacturers in Faridabad have a high compressive strength, which can vary according to the material's density. The compression is higher if the density is high. This allows multi-level collective housing to be built.

It is a lightweight material, weighing 50% less than other similar elements, so it is very easy to transport and can work comfortably. It's also easy to nail, cut, saw, and even mill.

Due to the saving of raw materials in production, it is an ecologically friendly material.

Cellular concrete is resistant to water and chemical agents; this is due to its closed pore structure and minimal capillarity, making it absorb water very slowly and thus is a great moisture inhibitor.

The aac block supplier in Noida has an extraordinary resistance to fire. Due to its low degree of thermal conductivity, the passage of heat through aerated concrete is minimal, reaching below 80º C inside and more than 1000º C outside, without altering its structure.

It has great acoustic absorption, making the sound have a spring effect towards its point of origin, while the wall absorbs a small part. Thus the internal sound is very low.

Aerated concrete is an excellent thermal insulator. It keeps the indoor environment cool in summer and winter due to changes in buildings' fluctuations. This is due to the mass and heat storage capacity of concrete.

About This Author

Ashtech Buildpro India Pvt. Ltd Joined: October 11th, 2020