How to produce gas blocks?
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How to produce gas blocks?

How to produce gas blocks?

Their advantages are determined by the technology of their manufacture itself, thanks to which voids filled with air and increasing thermal insulation properties of the material remain inside the block. How to achieve it? Gas blocks are made of concrete, into which aluminum powder is added in a certain proportion, which enters when heated to a chemical reaction with oxygen already present in the concrete mixture. As a result, gas is released and voids are formed. The density of gas blocks is usually 400 kg/cube. m, and their vapor permeability is quite high. The last indicator is very important. After all, the greater the vapor permeability, the faster the moisture will be removed from the walls, and this provides good natural ventilation of the room. Of course, gas blocks are produced only in the factory (unlike foam blocks that can be made directly at the construction site). The finished solution is subjected to a special drying, and then a special string cut is used, which allows you to obtain blocks of the correct shape – This ensures the high accuracy of the masonry in the future.

The porous structure of aerated concrete should contribute to the accumulation of water inside the block. And this consideration often stops developers from using this material. However, in fact, this happens only if the gas block is completely placed in the water. In street conditions, atmospheric moisture is absorbed, but not critical, so the walls of the house remain dry, and inside the microclimate is supported. You can also not be afraid of freezing that would lead to the destruction of blocks.

Gas blocks are produced in standard sizes. Most often, the length is 600 mm, but the width can vary in the range of 100-500 mm. By the way, gas blocks are more accurate in comparison with foam blocks – It is also due to the factory way of manufacturing such material. Some manufacturers produce blocks of non -standard sizes, which is very convenient during the construction of objects of complex geometric shape. In addition, on the market you can find special plates, jumpers and blocks for partitions made using the same technology. So, in principle, the developer has the opportunity to build the whole house from aerated concrete.

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