Hollow brick has long been widely used for the construction of various buildings and structures. Depending on the shape of the cavities, the brick is also sometimes called perforated or crevice. The cavities themselves serve not only to save material. Brick also has good thermal and noise insulation characteristics. These properties can significantly save on wall thickness during the construction of buildings.
The main advantages of hollow bricks are high thermal insulation properties. If it is laid in two rows, it will not be necessary to warm the walls of the house and make them much thicker. Such material will maintain a comfortable temperature in the house at any time of the year. In addition, much less brick and masonry mortar will be required.
Certain indicators of strength to adverse conditions provide hollow bricks with the possibility of operation for several decades, without any loss of properties.
Due to the voids that effectively absorb sound waves, the brick has good soundproofing characteristics, at the level of materials specially designed for this.
Due to the presence of internal voids, in the production of bricks there is a significant saving in material. This leads to its significant reduction in price, compared with a solid brick.
The air cavity of the brick also allows you to compensate for the thermal expansion of the material, effectively preventing its cracking during the entire service life.
Hollow brick has an attractive appearance. Facades of buildings made of such material do not need finishing.
At the same time, hollow bricks have significant drawbacks. Due to the rather low mechanical strength, it is impossible to lay out the foundations of the walls of the building from such material, which account for their entire mass load. In addition, due to the proximity to the foundation of the building, such a brick is able to quickly become saturated with moisture, and this leads to its destruction in the winter.
Given the advantages and disadvantages, hollow brick is successfully used for the construction of load-bearing walls and partitions. One and a half or double bricks are better suited for outdoor work, and single can be used for internal partitions. The use of double bricks can significantly reduce the time of construction work.
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