How to soundproof a room and how much it costs


More and more people are wondering how soundproof a room and how much does it cost this work.

There are many reasons to acoustically insulate a home, but one of the most common is linked to the need to disconnect from the daily hustle and bustle.

Previously, soundproofing homes or buildings was a luxury that not everyone could afford. But today, there are alternatives that fit different budgets and realities. Therefore, these works have experienced a significant demand in recent yearsespecially in the noisiest and most urban Spanish cities.

And it is precisely in those areas where silence is scarce that it makes the most sense to hire this type of soundproofing work.

At the end of the day, coming home and feeling peace, tranquility, serenity and calm, is something that is priceless.


Do you want to know how to soundproof a room and how much it costs? If so, we invite you to read until the end.

On this occasion we will tell you the process that must be carried out to soundproof the room in your apartment, or even various rooms in your home.

It is also important that you know that by soundproofing spaces you will be saying goodbye to noise, and you will also be gaining new comforts.

Indeed, one of the greatest profits is linked to the thermal isolation. And the soundproofing is closely related to energy saving.

What happens is that the house is kept correctly air-conditioned, and this has a positive impact on your electricity bill.

Right now you can soundproof from a wall to an entire home. Therefore, the starting point is to identify the area you want to intervene.

If you decide to soundproof an entire room, you should familiarize yourself with the implementation of this type of work.

Steps to soundproof a room

Below we will explain how to soundproof a room and how much it costs to get to work.

1. Soundproofing windows

Windows are one of the elements most important things that should be soundproofed in a roomsince sound usually enters and exits easily through them.

You must keep in mind that the insulation in the windows is proportional to the thickness of the glass you have chosen.

Experts recommend install double glazed windowssince this creates an empty air chamber or one with a mixture of gases.

Consequently, it prevents sound from easily passing through the crystals, and prevents that annoying vibration that generates greater ambient noise.

Likewise, it is essential pay attention to the type of glass so that the results obtained are as expected.

Some are specially designed to isolate light, while others also isolate noise (so your choice will depend on the degree of soundproofing you're looking for).

Window profiles

Window profiles also cannot be neglected or underestimated, in case you are wondering how to soundproof a room and how much it costs.

Is It is advisable to use PVC profilessince his acoustic insulation is greater. Consequently, they are able to muffle noises, instead of making them bounce back.

Currently, it is more useful and functional to use PVC profiles, instead of aluminum (basically because this material is 1,100 times more insulating).

Another aspect to consider is the type of closure. In this case, the most ideal thing is for the windows to be tilt and turn (those that can open from the top and the side).

These models prevent noise from entering or bustle from outside with greater effectiveness and efficiency.

2. Soundproofing walls

soundproof room

If your walls are very thin and you hear noises extremely easily, it would be great to soundproof them.

Today, experts choose build a second partitionwhose interior space is usually occupied by a highly absorbent material.

It is usually used Polyurethane foamwhich is applied in spray and injected into the already closed walls.

Furthermore, it is crucial to distribute said foam evenly so that soundproofing is optimal and functional.

Other insulating materials

In parallel, they can be used acoustic insulation sheetsas well as fiber panels. Although some companies also offer the Air chamber solution to improve soundproofing.

In any case, the materials must have sufficient density. The thicker and denser they are, the more sound they will absorb.

Generally speaking, you should know that the damping compound is one of the most powerful all-purpose sound insulators on the market.

But you can also take advantage of other insulation materials, such as:

  • Fiberglass.
  • Gypsum panels.

3. Soundproofing of doors

There are some simple and inexpensive mechanisms to soundproof doors, but in reality the results are not so efficient.

If you really want to say goodbye to outside noise, you need to invest in a fairly thick door that is not hollow.

Doors that meet these characteristics prevent the amplification and filtration of outside sounds.

4. Soundproofing of floors and ceilings

A viable option for soundproofing the ceiling is to place a false ceiling and put insulating foam among them.

Generally, the same wall soundproofing systems are used when soundproofing floors and ceilings.

Some homeowners choose soundproofing systems that add an extra layer or two of drywall. Additionally, the floor can be covered with soundproofing mats and then covered with carpets to maximize the desired effect.

Today, the most efficient material for soundproofing a room is wood. That is why it is so common to work with floating platforms that have strips of polyethylene foam as a base.

These strips are usually dense, and therefore, generate a separation between two structures. In simple words, they do not maintain direct contact and therefore prevent sound from traveling freely.


soundproof room

If you are on a tight budget, but are still wondering how to soundproof a room and how much it costs, this information will probably interest you.

The truth is that yes you can soundproof a room without incurring major works that involve a large outlay of money.

Here are some tips you could follow if you want to move in this direction, depending on your current capital and your soundproofing needs:

  1. Install thick curtains. This way you can mitigate the entry and exit of noise through the windows.
  2. Place tapestries on the walls of the room.
  3. Wallpaper your walls. Instead of installing drywall you can take advantage of the paper's ability to absorb noise (this can also improve sound insulation).
  4. Try covering the walls with wood panels.
  5. Paint the walls with an acoustic insulating paint. They contain a ceramic additive capable of trapping sound waves.
  6. Place thick rugs on the floor.
  7. Install wooden furniture (such as large book shelves). For example, in this case we recommend the use of folding beds, since the bed, being embedded in a piece of furniture, serves as sound insulation, for example like these folding beds Madrid.
  8. Place acoustic foam on the ceiling and walls.
  9. Divide the spaces.

Try making some divisions, and even lowering the roof, to reduce noise. Keep in mind that the larger a room is, the easier the sound can spread.

Specifically, you should fill all the spaces in the room so that the sound does not travel easily.


Prices depend on several factors, such as the system chosen and the materials to be used. But in general terms they are close to the following figures:

  • Acoustic insulation of walls: between €50/m2 and €160/m2.
  • Ceiling soundproofing: between €80/m2 and €170/m2.
  • Floor soundproofing: between €30/m2 and €170/m2.
  • Window renovation and insulation: between €100 and €300 per window (depending on the material chosen).

If you choose PVC with double glass to soundproof the windows, the price is usually around €400 (not including labor).

Let's say you want to completely soundproof a 10 m2 room. In that case you will need between €1,600 and €5,000.

On the other hand, if you are curious about how much it would cost to soundproof an entire apartment, about 100 m2, including walls, floors and ceilings, take a good look at the following figures.

On average you would have to invest between €16,000 and €50,000, which is significant and considerable.

In any case, it is most advisable that you contact a company specialized in this type of work.

Their professionals will listen to your needs carefully, evaluate your budget and offer you the most relevant solution.


Now that you know how to soundproof a room and how much it costs, the question that remains is whether it is really worth it.

And the answer is yes! Especially if you live in very urban and noisy environments, and want disconnect from the hustle and bustle outside when you get home.

Without a doubt, you would be making an important investment. But if you really appreciate the value of silence and calm in your own apartment or home, you will not hesitate to do it.

Honestly, there is a before and after of acoustic insulation. And if that were not enough, you will also perceive benefits in electrical matters.

Remember that a well-soundproofed home usually maintains properly air-conditioned rooms.

Therefore, you can optimize heating and air conditioning resources. And in the end this has a direct impact on your electricity bill.

If you are thinking of soundproofing a room, we invite you to contact CMYK Architects. Their team will advise you comprehensively and will successfully clear all your doubts.

Lastly, don't forget to follow our Facebook page. Through this medium we share updates on Architecture, Design and Construction.

Leave a Reply

Your email address will not be published. Required fields are marked *