Do Soundproof Curtains Work: Separating Fact from Fiction

Do soundproof curtains work or are they just a gimmick? It can be hard to get good information about soundproof curtains online. This article will give you a strong idea of what the science says on the subject, and also give you some practical ways to fix noise from outside your home.

Soundproof curtains are a great way to deaden the sound and make your space feel more private. Soundproof curtains are made from a special type of fabric that absorbs sound waves, so they will not bounce off walls and objects in the same way that regular curtains do.

You cannot buy a curtain that guarantees 100% sound insulation. But that does not mean curtains are useless for preventing noise pollution. In this article I will discuss whether it is possible to make your home quieter by installing curtains.

Science Behind Soundproof Curtains

Do Soundproof Curtains Really Work?

Soundproof curtains work by absorbing sound waves and acting as a barrier between the inside and outside of a room. The design is intended to reduce the echo effect that occurs when you hear your own voice bouncing off hard surfaces. 

Soundproof curtains work, but not quite the way you might expect them to. Soundproofing curtains are made from a combination of materials that help absorb the sound waves in the room and reduce the reverberation. 

These curtains can help you sleep better and also reduce some of the amount of sound coming through the window.

However, they won’t be as effective as a double-paned window or other soundproofing techniques. Soundproof curtains are a good choice to use in conjunction with other soundproofing methods.

Understanding Sound Transmission

To understand how soundproof curtains work, it’s important to first understand how sound travels through different materials. 

Sound is a form of energy that moves through the air in waves, and when those waves encounter a solid object, they can be reflected, absorbed, or transmitted through the material.

The impact of frequency on sound transmission is also important to consider. Higher frequency sounds, such as those produced by voices or musical instruments, are more easily absorbed by soft materials like curtains. 

However, lower frequency sounds, such as those produced by traffic or heavy machinery, are more difficult to block completely.

The concept of sound absorption vs. sound blocking is also important. Sound absorption refers to the ability of a material to soak up sound waves and prevent them from bouncing back into the room. Sound blocking, on the other hand, refers to the ability of a material to physically prevent sound waves from entering the room in the first place.

The Effectiveness of Soundproof Curtains

There are various types of soundproof curtains available, including those made with heavy fabrics, multiple layers, or special acoustic materials. The effectiveness of these curtains can be measured using two main ratings: the Noise Reduction Coefficient (NRC) and the Sound Transmission Class (STC).

The NRC rating measures a material’s ability to absorb sound, with a higher rating indicating better sound absorption. The STC rating, on the other hand, measures a material’s ability to block sound transmission through a wall or other barrier. A higher STC rating indicates better sound blocking.

Real-world tests and reviews of soundproof curtains have generally shown that while they can be effective in reducing noise levels, they may not completely eliminate all sounds. 

The effectiveness of soundproof curtains can also be affected by factors such as the thickness and density of the curtains, as well as the size and shape of the room.

Factors to Consider Before Buying Soundproof Curtains

Before investing in soundproof curtains, there are several factors to consider. 

  • The size and shape of your room can affect the effectiveness of the curtains, as well as the amount of coverage you need. 
  • The type and volume of sound you want to block should also be considered, as different curtains may be more effective against certain types of noise.
  • The cost and durability of different soundproof curtains should be taken into account. While some curtains may be more expensive initially, they may offer better long-term value if they are more durable or effective in reducing noise levels.

How Soundproof Curtains Work?

Soundproof curtains are a relatively new addition to the home soundproofing market. They’re basically just regular curtains, but with soundproofing material added in. They were invented as an alternative to more expensive and complicated soundproofing solutions like double glazing.

They’re typically made of a lightweight fabric coated with a special material that makes it resistant to sound waves. The fabric is usually very thin and soft, similar in texture to silk or velvet, but some versions can be thicker than others.

How Soundproof Curtains Work?

Sound waves are made up of air particles that vibrate when they encounter an object, like a wall or a curtain. When these particles hit something like a soundproof curtain, they get absorbed by it, which in result reduces the echo in the room. That’s why these curtains are also called Sound absorbing curtains or Sound deadening curtains.

However, soundproof curtains have a special treatment that allows them to absorb some of these particles, reducing the amount of sound that goes outside of the room.

A common misconception about soundproof curtains is that they are completely silent. This is not true! Soundproof curtains are designed to reduce the amount of noise inside the room, but they won’t block all of it. However, they will make the sounds softer and less noticeable.

Who Should Buy Soundproof Curtains?

Sound deadening curtains are best for anyone who wants to reduce the amount of noise that comes through their windows. They can be used in any room and in any home, from a studio apartment to a luxury penthouse.

If you are any one of the following, you should use soundproof curtains:

  • Those who live on a busy street
  • People who have noisy neighbors
  • Parents of young children
  • Students with noisy roommates
  • Music Rooms or Studios
  • Nursing Homes and Hospitals
  • Those Who Work From Home

What to look for before Buying Soundproof Curtains?

What to look for before Buying Soundproof Curtains?

Soundproof curtains are a great way to keep your bedroom or home office quiet, but not all soundproof curtains are created equal. In fact, there are a number of factors that can impact how effective your soundproof curtains are in keeping out noise. 

Here are some of the most important things to consider when choosing the best option for your needs:


The most effective soundproof curtains are made of heavy-duty fabrics like cotton, velvet or silk. Cotton is a great choice because it absorbs sound better than other materials, such as nylon or polyester. It also damps vibrations and echoes more effectively than other materials.

If you’re looking for a more luxurious option, velvet is another good choice because it absorbs sound well while still being soft and comfortable.

The next section lists the number of materials used to make soundproof curtains.

Material Weight

Soundproof curtains are made from a variety of materials. The weight of the material is an important factor to consider when buying soundproof curtains, as it will determine how effective they are at blocking sound.

The heavier the material, the better it will be at blocking out noise. Heavy-duty fabric such as velvet and silk are some of the most effective materials for soundproof curtains. 

Lightweight fabrics like polyester or cotton will not do as good a job of blocking out noise as heavier materials do.

Construction Type

You should look at the construction type of your soundproof curtains before buying them. You want to make sure they’re made out of materials that will block out sound rather than absorb it.

Look for fabrics that have a thick weave, as well as thick, dense stitching. This will help block out sound more effectively than thinner, lighter fabrics with thinner stitching.


The thickness of the fabric can impact how effective the curtains are at blocking out noise. The thicker the fabric, the better they will be at blocking out sound. 

If you want to buy curtains that will be effective at blocking out noise, then you should look for curtains with a minimum of 3mm thickness.

Rod Slots or Grommets

You may have noticed that window curtains come with one of two kinds of openings: rod slots or grommets.

Rod Slots

Rod slots are the most common type of opening for curtains, and they’re found on the top of your curtain panel. They’re made from a series of holes that can be used to hang your curtain from a rod or other hanging device. 

If you’re looking for soundproof curtains, we recommend buying ones with rod slots because this will give you more flexibility if you want to move your curtains around in the future.


Grommets are another option for hanging curtains, but they aren’t as common as rod slots. A grommet is simply a circle cut out of the top or bottom edge of your curtain panel where it can be hung on a rod without additional hardware needed.


Price is another important factor to consider when deciding whether or not to purchase soundproof curtains. If you’re looking to save money, there are plenty of affordable options available, but be aware that they may not be as effective as their more expensive counterparts.

DIfferent Materials of Soundproof Curtains

DIfferent Materials of Soundproof Curtains

To understand how soundproof curtains work, it is helpful to know about the different materials used to make them. 

All soundproof curtains have different absorption properties, so it is important to understand that aspect of the curtains when attempting to select the most suitable ones for your needs.


If you’re looking for a way to reduce noise and sound in your home, Cotton Soundproofing curtains are the perfect solution.

These curtains are made from cotton that has been specially treated with a soundproofing agent. The result is a product that’s soft, durable, and highly effective at blocking out unwanted noise from outside.

Cotton Soundproofing curtains are also easy to clean, making them ideal for people who have pets or children.


Velvet Soundproofing curtains are made of a strong and durable fabric that is also soft to the touch. They are designed with a thick, dense weave that blocks out sound and also absorbs them.

They are also very effective in blocking sunlight, so you can enjoy a nice relaxing sleep without having to worry about waking up too early in the morning..


Polyester is a synthetic material, meaning it’s created artificially in a lab. It’s most commonly used to make fabrics like polyester blends, but it can also be found in other items like insulation and plastic bottles.

Polyester is a type of fabric that can be used to create soundproof curtains. Some popular patterns include microfiber (which looks like velvet), satin (which has an iridescent sheen), embroidered damask (with intricate designs) and floral prints with bright colors.


Wool is a natural fiber that is soft and warm. It can be used to make soundproof curtains, but it is more expensive than other materials. Wool also wears well and has excellent insulating properties.


Suede material soundproof curtains are great for every room in the house. The natural material is easy to clean, durable and can be used for a long time. They work well in all kinds of rooms, such as living rooms and bedrooms.


Vinyl is a synthetic material that is often used in the production of soundproof curtains. It is a good choice for soundproof curtains because it is very easy to care for.

Vinyl can be washed in a washing machine, which makes it very convenient for people who want to keep their homes clean and tidy.


Leather is a durable material that is also soft to the touch, which makes it ideal for curtains. However, leather curtains are not very soundproof and can be expensive.

They have a beautiful finish, though, and this material is often used in luxury homes where soundproofing isn’t necessary because of the location of the home.

Benefits Of Soundproof Curtains

Benefits Of Soundproof Curtains

Soundproof curtains are a great way to block out the noise in your home. They are also useful in blocking out the light and helping you get an uninterrupted sleep. 

There are many benefits of using soundproof curtains, especially if you live in an area where there is a lot of traffic noise or people making noise around your home. 

Following are the main benefits of soundproof curtains:

Reduce Noise Pollution

Soundproof curtains are a great way to reduce noise pollution in your home. They will absorb sound and help keep the noise from escaping, so you can sleep peacefully without being disturbed by outside noises.

Maximize Privacy

Soundproof curtains are the perfect solution for keeping your private conversations private and the noise from your TV or stereo to yourself. 

Or, if you’ve ever had to turn down the volume on your favorite movie because your roommate was trying to study, soundproof curtains are your answer.

Temperature Control

Curtains can help to keep your home’s temperature regulated, and soundproof curtains are no exception. They are made from thick and heavy materials, which absorb sound waves and prevent them from traveling through the window. 

This means that they will not let the cold air in or out during the winter months, but they will also keep you warm in the summer when you want to preserve your heat.

Downsides of Soundproofing Curtains

Limitations of Soundproofing Curtains

Cleaning Regularly

Cleaning regularly is the most important thing you can do to keep your soundproof curtains working properly.

The dust and dirt that builds up on the surface of your curtains will reduce their effectiveness, since sound will be able to pass through the fabric more easily.

Take Much Space

One limitation of soundproof curtains is that they are always much taller and wider than the window, so they dominate the room. This makes the room seem smaller than it actually is.

Heavy Weight

The weight of these curtains can be a challenge for homeowners, especially if they are trying to hang them on their own.

These curtains are often made of heavy materials like wool or cotton, which makes them difficult to move around and hang.

Soundproof Curtains Alternatives

Soundproof Curtains Alternatives

Soundproof curtains are one of the best ways to keep your home quiet, but they can also be expensive and difficult to install. Here are some alternatives that will help you make your home as quiet as possible:

Acoustic Panels

These are panels made of foam or fiberglass that can be placed on the walls and ceiling to absorb sound. They are easy to install and come in different sizes. 

If you want to make sure your room is completely soundproof, you should install them on every wall of your living space.

Soundproof Foam

Soundproof foam is a great alternative to soundproof curtains. It can be cut to fit in any space and is easy to install. Soundproof foam comes in different thicknesses. The thicker it is, the more sound it will block.

You’ll need to buy enough sheets of your chosen thickness to cover the entire surface of your window or doors where you want to keep noise out.

Mass Loaded Vinyl

Mass Loaded Vinyl is a thick, heavy material that can be used to cover windows or doors to prevent outside noise from reaching inside. Mass Loaded Vinyl is generally used for commercial applications, such as in recording studios and churches. 

However, it can also be used in residential buildings to help reduce noise pollution caused by neighbors or nearby traffic.

Soundproof Blankets

Blankets are a great way to soundproof your room. You can buy thick blankets that will absorb all the noise and keep it from getting through. 

These are good for people who don’t want to spend a lot of money on soundproof curtains or just don’t have a lot of money to spend on them. 

The downside is that they’re not very attractive, so they don’t work well in areas where you want to see some color or decoration.


A soundproof curtain is made with a heavy material that helps to absorb sound waves, reducing the noise level in your room. Soundproof curtains can help you sleep better and concentrate on your work, as well as help reduce outside noises so that you can enjoy peace and quiet.

Soundproof curtains are a great way to reduce the noise in your home. They are also not very expensive, which makes them a great option for people who do not have a lot of money to spend on curtains.

The biggest downside to soundproof curtains is that they do not work as well as other solutions, such as double-pane windows and insulation. 

However, for those who are looking for an easy and inexpensive solution, soundproof curtains may be just what you need.

Frequently Asked Questions (Do Soundproof Curtains Work)

Are soundproof curtains worth it?

Soundproof curtains are great for reducing the sound inside your room and keeping it from escaping into your neighbor’s apartment. They can also help block out some of the noise from outside your home, although they may not completely eliminate it.

How much do soundproof curtains reduce noise?

The amount of noise reduction depends on the type of curtain and how much soundproofing it has. A standard curtain made from polyester will reduce the level of noise by about 35%. If you want to get even better soundproofing, get a heavier curtain with more layers.

But if you want to reduce noise as much as possible, you should choose curtains made from natural materials such as cotton or wool because they have better sound absorption properties than synthetic fabrics.

Can you soundproof with curtains?

Curtains can help reduce noise, but they don’t completely block it out. If you have a large window in your room, some noise will still get through. Even with thick curtains, you’ll still be able to hear the traffic if you live in a noisy area.

The best way to soundproof your home is by adding insulation and double-paned windows.

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Brendan Ratliff
Brendan Ratliff

As a soundproofing and acoustical professional, I have helped new homeowners, builders and remodelers with their projects. I also help contractors/designers learn how to properly install soundproofing in their clients homes.
I enjoy helping people understand the process of soundproofing and acoustical construction. is a one-stop solution for all of your soundproofing related questions.