Hollow blocks are one of the cheapest and most popular materials, used in the construction of the structure. They are most often used for the construction of external and internal walls of buildings. Appreciated, especially for the large size and lightness, which allows you to speed up construction work. Various types of hollow blocks available, but concrete ones are cheap. Besides, они имеют специальные соединения типа “паз-гребень”, which has a positive effect on the ease and speed of construction.
Hollow ceramic blocks are a little more expensive. Hollow gypsum and glass blocks are less commonly used. Holes increase the sound insulation of the material, but for the construction of the foundation and structural elements, It is better to use solid products.