Do you suffer from the noise of neighbors? Did you hear how to talk your neighbors, make repairs or can smotryattelevizor? If yes, then this article is for you. Most residents of multi-storey the noise from the neighbors. Moreover, not so important, brick, monolithic, modular or prefabricated house is. Different sounds will always find a tear any building. I suggest to understand the problem. What is sound? Sound – the energy, sound wave, which prostiraetsyakak in the air (air noise), and in the material (shock and structural noise). Air-borne noise – a sound through the air (sound of radio, television, music center, the voice of man and etc.) Impact noise – a noise that arises in the construction of a impact on it (the work of construction equipment, walking completion on his heels, hammer blows, etc.)