However, it should be said that it would be much easier to prevent this trouble than cope with it post -fact. The fact is that it is possible to effectively deal with shock noise only from the side of its source. Protective ceiling structures are most often useless. In order to at least slightly reduce the volume of the sound, they must have a significant (not less than200 mm) thickness, and it is necessary to use special installation methods and fasteners. All this makes the struggle for silence unreasonably expensive and laborious, also associated with a significant decrease in the height of the premises.