Why is the issue of soundproofing so relevant?
Modern housing in urban conditions is, most often, an apartment in a multi-storey building, surrounded on all sides by the same residential housing cells. The whole house looks like a big honeycomb. Very often the local repair works carried out on the floors are perfectly audible to the whole house. And instead of rest, on weekends, all neighbors enjoy a symphony of perforation of walls or other similar sounds.
From the examples given, it can be concluded that the noise sources can have different origins and propagation environments. Indeed, if the sound from the piano, radio or TV is mainly distributed in the air, then shock-mechanical effects on the structure of solid structures of the house cause the distribution of shock waves through its structure.
And to eliminate different types of noise will be used significantly different from each other noise insulation of walls in the apartment, the materials for which you need to choose it, taking into account the difference in the characteristics given. Also, this often leads to the need for different approaches to sound insulation.
We eliminate the types of noise depending on their nature
Among the many sound insulators, the most common of foamed light polyurethane, polyethylene, melamine and other constituents, usually having a roll or sheet form of release from the manufacturer, are distinguished.
Such insulating materials are best used to prevent noise that are of a mechanical nature and spread in the structure of the building. This may even be the best soundproofing of the apartment walls, because it is distinguished by a rather low price, can be widely used in insulation of floors, floors, at the junctions with engineering communications, often serving as sources and conductor of noise.
As a rule, this group of materials prevents the transmission of sound waves to doors, walls and other obstacles, in addition, the sound is absorbed and partially or completely dissipated on the material.
For the second type of noise propagating in the air, more often and more effectively the use of sound absorption materials. Their basis, as a rule, consists of different fibrous structures. It can be cotton wool( mineral on a natural or synthetic basis) or finished panels, blocks and so on.
Providing a sufficiently high result, the material for noise insulation of walls can have a sufficiently large thickness, which is not always acceptable in small-sized rooms. In addition, such insulators are more often used in the form of packing for gypsum plasterboard structures or in the subspace of suspended ceilings.
New technologies in noise protection
Among other things, the most high-quality and modern soundproofing of walls in an apartment, materials for which are of high purity and harmlessness, according to the manufacturers, is membrane isolation. This type of insulator has a small thickness( up to 8 mm), similar in properties to sheet lead and works like a sound-absorbing membrane.
The material is based on the advanced technology of the release of natural argonite material. The insulator is produced mainly without the use of extrusion technology( not of foamed materials) and without the use of fibrous structures. Among other advantages, it should be noted the high fire resistance of such membranes.
And this is important, when the best soundproofing of walls should be ensured by the selected materials or a combination of these, as the first among the criteria influencing the decisions. Next, you need to pay attention to what the value of the coefficient of sound insulation. In this case, equal values of the coefficients can be provided by different thicknesses of materials. For all peers, less fuel should be preferred.
Acoustical characteristics should be preferred to insulators that can neutralize low-frequency spectra. It is important to pay attention to the manufacturer's and supplier's guarantees. And, of course, you need to consider the harmfulness that accompanies this or that kind of materials.