Soundproofing plaster and putty for walls in an apartment: which one to choose - Setafi

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Soundproof plaster is a special mixture that has a loose structure. Due to the presence of numerous cavities, it suppresses noise, harsh sounds, making them more muffled. If you apply the composition correctly, you can reduce the sound power by 50%. About what kind of plasters with the effect of sound absorption are, what are their pros and cons, is described in the presented article.

The content of the article

  • Features and composition
  • Advantages and disadvantages
  • Overview of popular manufacturers
    • "PL group"
    • Ivsil
    • "Favorite"
    • Knauf
  • Features of applying the composition

Features and composition

Soundproofing plaster is one of the finishing options, which, thanks to its special properties, absorbs up to 50% of noise. Such material is used both in residential and in office, administrative premises. The ability to absorb sounds is associated with the porous structure and composition features:

  • soundproof wall plaster, like other materials, is basically cement mortar, gypsum or lime;
  • additional component - polymers;
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  • for quick drying, preventing cracking, caking, various additives are introduced in dry form.
Soundproofing plaster

Also, soundproofing plaster contains a filler, which gives it a porous structure. As a rule, inexpensive minerals that have undergone preliminary processing (calcination, crushing, swelling) are used for this:

  • expanded clay;
  • pumicite;
  • vermiculite.

Powdered aluminum is also added to some types of materials. It further increases the porosity. Therefore, such mixtures provide maximum sound absorption, which reaches 50%.

Advantages and disadvantages

Noise-insulating plaster for walls is a relatively new mixture for finishing, the properties of which have already been appreciated by many builders and residents. This material is unusual in its composition and has many advantages:

  • the ability to muffle even harsh sounds;
  • ease of application;
  • affordable price;
  • environmentally friendly composition;
  • resistance to rodents and insects;
  • resistance to temperature and humidity changes;
  • durability.

But keep in mind that the soundproofing plaster for the walls in the apartment has some disadvantages. The main disadvantage is that before applying it, you need to treat the walls with decorative material. If the finish is not done correctly, such a layer will not last long.

Overview of popular manufacturers

Soundproofing plaster is produced under different brands, and among them there are quite a few foreign companies. Judging by the reviews, these are especially popular among buyers.

"PL group"

Plaster -

Manufacturer of mixtures known under the brand name Paladium. The quality level is comparable to imported counterparts. This heat soundproofing plaster contains foam glass. That is why it not only dampens noise, but also retains heat. Used for wall decoration outside and inside. The material is resistant to temperature, moisture and fungus.

Ivsil

Plaster – Ivsil

Noise-absorbing plaster for walls at an affordable price. It is used for finishing various premises, including by professional builders. A distinctive feature is a unique composition that suppresses sounds and is resistant to fire. It is a light, low density mixture that can be applied even on old facades.

"Favorite"

Plaster -

A company that produces soundproofing plaster called De Lux. It is also used for work inside and outside the building. Possesses resistance to the increased humidity, a mold. Therefore, the composition is often used to finish the bathroom or kitchen. The basis of the composition is high-quality cement with cellular glass, sand mixture and other fillers.

Knauf

Plaster – Knauf

Soundproofing plaster for walls of a well-known brand. Mixtures are sold at a higher price compared to domestic ones, but they are of impeccable quality. Such compositions are produced on the basis of gypsum and other mineral components.

The particles are homogeneous, small in size, within 5 mm. The mixture is completely safe for health. It is distinguished by exceptional strength and durability, provided that a layer of at least 15 mm thick is applied.

Features of applying the composition

Soundproof wall putty is really of high quality and resistance to sound, humidity and temperature. But the described properties are fully revealed only if applied correctly. Before planning work, there are several important points to consider:

  1. The surface must be completely cleaned of the previous coating, especially carefully work on grease stains and other contaminants.
  2. All large differences from 10 mm close up.
  3. If there are cracks, even the smallest ones, they are pre-treated with a cement solution.
  4. One of the most important rules is to walk with a primer that can penetrate to a great depth. Previously, a metal mesh with medium-sized cells (a square with a side of 10 mm) is attached to the wall.

The finishing works themselves are carried out according to the general plan. First, a solution is prepared in a container, stirred by hand or with a mixer and applied to the wall. It is better to do this in several thin layers, waiting for each to dry. Then the surface will be perfectly smooth and will last a very long time.

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