Technological materials for sound insulation

Technological materials for sound insulation

Sound insulation of premises is an important task in construction and renovation. Effective noise insulation creates comfortable conditions for work, rest, and sleep. Modern technological materials open new possibilities for solving this task.

Main Requirements for Sound Insulation Materials

Materials for sound insulation must possess high sound-absorbing and sound-isolating properties across a wide frequency range. Additionally, they should be technologically easy to install, environmentally friendly, durable, and aesthetically pleasing. The cost of materials also plays a significant role.

Modern Technological Materials for Sound Insulation

Currently, there are several optimal solutions that meet the listed criteria.

Polystyrene Foam

Polystyrene foam has excellent thermal and sound insulation properties. It is easy to install and does not require special skills. Polystyrene foam is made into plates and cylinders of various densities for different application areas. The flexibility of this material allows for effective sound insulation of complex structures.

Foam Gypsum

Unlike traditional drywall, foam gypsum has a more developed cellular structure, which improves its sound insulation characteristics. Foam gypsum's advantages also include eco-friendliness, fire safety, and vapor permeability. It is used to manufacture acoustic partitions and wall cladding.

Sound-Absorbing Plates

These plates consist of rigid foam with attached mineral wool and decorative coating. Thanks to their multilayer structure, such panels effectively absorb sound waves across a wide frequency range. They can be used for the interior finishing of rooms requiring sound insulation.

Mastics and Sealants

Special acoustic mastics and sealants are used to seal gaps, cracks, and air spaces through which sound leakage occurs. They are flexible, with high adhesion. Some mastics contain sound-absorbing microspheres. They are applied in a thin layer to problematic areas of the structure.

Advantages and Disadvantages of Different Materials

Each acoustic material has its pluses and minuses. Polystyrene foam is inexpensive but has low decorative properties. Foam gypsum, on the other hand, boasts aesthetic finishes but requires more thorough base preparation. Sound-absorbing panels are effective but expensive. Mastics and sealants solve local problems without addressing the overall lack of sound insulation.

Application of Sound Insulation Materials in Construction

Acoustic materials are widely used in construction to reduce noise levels penetrating from outside or arising within a building.

For erecting partition walls and partitions, foam concrete blocks, aerated concrete, silicate bricks are used - these structures have high sound insulation properties. Additional sound insulation membranes in the form of foam polyethylene pads are installed.

For floor insulation, pads made of mineral wool, cork, or rubber tiles are used. For tiled floors, leveling screeds based on fine-grained concrete with the inclusion of sound-absorbing fillers are poured.

Ceilings are constructed in multiple layers. For example, a combination of cement-sand screed, reinforced concrete slab, sound insulation layer of mineral wool, and a suspended ceiling with gypsum board cladding.

For additional insulation of air ducts, porous, vibration-damping materials are used. This prevents the spread of sounds from engineering equipment through ventilation.

Such comprehensive sound insulation of premises at different levels achieves the necessary acoustic effect.

Choosing the Optimal Solution for Specific Tasks

There is no ideal universal material for sound insulation. Therefore, in each specific case, it is necessary to carefully analyze the characteristics of the space, types of noise, aesthetic requirements, and budget. Often, the optimal result is given by combined sound insulation systems using different materials. Qualified specialists can help choose an effective and inexpensive solution.


Modern technological materials for sound insulation significantly improve acoustic comfort in spaces. The key is to wisely choose a noise insulation system, taking into account the peculiarities of the object. This helps save resources and achieve the desired result. Quality sound insulation is the key to silence and peace.