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  • Writer's pictureEmily Philips

Does Soundproof Windows Film Work? - The Answer

Hi there, I'm Emily, and welcome to Everything Quiet. Today we'll be exploring soundproof windows film to answer the burning question: does it really work? As we dive into this topic, we'll also touch on other soundproofing methods, sound transmission ratings, and much more. Let's get started! With the increase in noise pollution from traffic, aviation, and other sources, more people are looking for ways to create a peaceful home environment. One popular solution is soundproof windows film, which can transform regular glass windows into noise-reducing barriers. But does soundproof windows film actually work? Let's find out.

The Science Behind Sound and Noise Reduction

To understand how soundproof windows film works, we first need to grasp the basics of sound and noise reduction. Sound is created when an object vibrates, producing waves that travel through the air or other mediums. The frequency and amplitude of these waves determine the pitch and loudness of the sound, respectively. Soundproofing techniques aim to absorb or disrupt these sound waves, reducing the intensity of the sound that reaches our ears. The effectiveness of soundproofing materials can be measured using Sound Transmission Class (STC) ratings, which indicate the material's capacity to decrease sound.

How Does Soundproof Windows Film Work?

Soundproof windows film is typically made from plastic vinyl or environmental PVC and is designed to be applied to existing windows. The film works by adding an extra layer to the window, which helps absorb and disrupt the soundwaves that pass through the glass. This results in a significant reduction of external noise entering your home. To further enhance noise reduction, some soundproof windows film options use a combination of reflective or tinted designs, which provide additional benefits like increased privacy and UV protection.

Advantages of Soundproof Windows Film

There are several reasons why homeowners might consider using soundproof windows film:

  1. Noise reduction: The primary purpose of soundproof windows film is to reduce unwanted noise from entering your home, creating a quieter and more comfortable living environment.

  2. Energy efficiency: By adding an extra layer to your windows, soundproof windows film can also improve energy efficiency by providing added insulation, reducing heat transfer, and lowering energy costs.

  3. Privacy: Reflective or tinted designs can increase privacy by limiting visibility into your home from the outside.

  4. UV protection: Some soundproof windows films come with added UV protection, reducing the harmful effects of sunlight on your skin and furnishings.

Installation Process and DIY Options

One of the main attractions of soundproof windows film is that it can be a DIY project. Most films come with easy-to-follow instructions, and the installation process usually involves cleaning the window, cutting the film to size, and applying it using a squeegee or other tool to ensure a smooth, bubble-free application. Some films use a static cling method, making them easily removable and reusable.

However, if you're not comfortable with DIY projects or want a professional-grade installation, you can always hire a professional to install the soundproof windows film for you.

Selecting the Right Soundproof Windows Film

When choosing the best soundproof windows film for your needs, consider the following factors:

  1. Material: Look for high-quality plastic vinyl or environmental PVC films that have a proven track record of noise reduction.

  2. Window types: Some films may work better with specific window types, such as double-glazed or laminated glass windows. Be sure to select a film that's compatible with your windows.

  3. Noise level: Consider the level of noise you're trying to block and choose a film with an appropriate STC rating. Higher STC ratings indicate better soundproofing capabilities.

  4. Additional features: Depending on your needs, you may want a film that offers added benefits like privacy, UV protection, or energy efficiency.

Alternative Solutions for Noise Reduction

While soundproof windows film can be an effective solution for reducing noise, there are other options to consider:

  1. Acoustic sealants: Applying an acoustic sealant around your window frames can help reduce noise by sealing gaps and preventing sound transmission.

  2. Double or triple-pane windows: Replacing your existing windows with double or triple-pane options can significantly improve noise reduction and energy efficiency.

  3. Soundproof curtains: Using thick, sound-reduction curtains can help deaden noise by absorbing echoes and providing an additional layer of insulation.

  4. Secondary glazing: Installing secondary glazing or acoustic inserts can further enhance noise reduction by adding an extra layer of glass to your existing windows.

For a more comprehensive guide on soundproofing methods, check out our post on Top 10 Ways to Soundproof a Floor.


So, does soundproof windows film work? The answer is yes – it can be an effective solution for reducing external noise and creating a quieter home environment. However, it's essential to choose the right film and consider other soundproofing methods if necessary. By taking the time to research and select the best noise reduction solutions for your home, you'll be well on your way to enjoying a more peaceful living space.

Don't forget to share your experiences with soundproofing and help others on their quest for a quieter environment by joining our Everything Quiet community and exploring our other posts on noise reduction, quiet moments, and the value of silence in our daily lives.


Q: Does window soundproofing film work?

A: Yes, window soundproofing film can be effective in reducing noise transmission through windows. The film is typically made of a material such as vinyl or polyester, which can help absorb or reflect sound waves. However, the degree of noise reduction will depend on various factors, such as the thickness of the film, the frequency of the noise, and the type of window.

Q: What can I put in windows to block out noise?

A: There are several options for blocking out noise through windows. One option is to use soundproof curtains or blinds, which can absorb sound and reduce noise transmission. Another option is to install window inserts or acoustic panels, which can create an additional barrier against noise. Soundproofing foam or weatherstripping can also be used to seal any gaps around the window frame.

Q: Does putting plastic on windows help with noise?

A: Putting plastic on windows may not be very effective in blocking out noise. While plastic can help insulate against drafts and heat loss, it is not typically designed to absorb or reflect sound waves. Instead, other solutions like soundproof curtains or window inserts may be more effective in reducing noise transmission.

Q: Can you soundproof a window so you can hear your neighbours?

A: Soundproofing a window can help reduce noise transmission from outside, including noise from neighbours. However, complete soundproofing may not be possible, especially if the noise is very loud or if there are other openings in the room that allow sound to enter. To soundproof a window effectively, it may be necessary to use a combination of methods, such as soundproof curtains, window inserts, and weatherstripping.

Q: Why can I hear noise through my double glazing?

A: Even with double glazing, some noise transmission can still occur. This is because sound can still travel through the glass and through any gaps or spaces around the window frame. The degree of noise reduction will depend on various factors, such as the thickness of the glass, the type of gas or vacuum between the panes, and the quality of the window installation.

Q: Is it expensive to soundproof windows?

A: The cost of soundproofing windows can vary depending on the size and type of window, as well as the specific soundproofing method used. For example, installing soundproof curtains or blinds may be relatively inexpensive, while installing window inserts or acoustic panels may be more costly. It may be helpful to get quotes from multiple contractors or suppliers to compare prices and options.

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