How to Soundproof a Window Cheap: Under 50 Bucks [2023 Updated]

Do you live in a noisy neighborhood and find it difficult to get a good night’s sleep? Or, maybe you work from home and need a quiet environment to focus on your tasks? Whatever the reason, if you’re looking for a cheap and effective way to soundproof your windows, you’re in the right place. 

How to Soundproof a Window Cheap? One cost-effective way to soundproof a window is to use weatherstripping tape or foam to seal any gaps. You can also hang heavy curtains or blankets over the window, or install soundproof curtains. Another option is to add a layer of window film or acrylic sheet.

In this blog, we’ll explore some simple yet effective techniques to help you block out unwanted noise and enjoy a peaceful and quiet living space.

Understanding Window Soundproofing

Understanding Window Soundproofing

Sound pollution is a common problem that affects millions of people around the world. While there are different types of sound pollution, one of the most common sources of noise is through windows.

Windows allow outside noise to enter into your space, which can be quite annoying and disturbing. Fortunately, there are several ways to soundproof a window on a budget.

Here are some of the basics of window soundproofing and provide you with valuable insights on how to minimize outside noise.

How Sound Travels Through Windows

Sound is a form of energy that travels through the air in the form of sound waves. When sound waves encounter an object such as a window, they can pass through or be reflected. In the case of windows, sound waves can pass through the glass, frame, and gaps between the window and the wall.

This is why windows are often the weakest point when it comes to sound insulation.

Different Types of Window Soundproofing

There are several ways to soundproof a window, and some methods can be quite expensive. But, if you are on a budget, there are still some effective and affordable solutions. Here are a few types of window soundproofing that you can consider:

  1. Acoustic Curtains: These are heavy curtains that are designed to absorb sound waves. They are a cost-effective solution and can be easily installed on a curtain rod.
  2. Weatherstripping: This involves sealing the gaps between the window and the frame using a weatherstripping tape. This can reduce the amount of noise that enters your space.
  3. Window Inserts: These are acrylic or glass panes that are installed on the inside of the window. They create an additional barrier and can reduce noise levels significantly.

Soundproofing Effectiveness and STC Ratings

When it comes to soundproofing, effectiveness is measured by the Sound Transmission Class (STC) rating. The higher the STC rating, the more effective the soundproofing material is at blocking sound.

For instance, a single-pane window has an STC rating of around 27, while a double-pane window with laminated glass can have an STC rating of 34 or higher.

It is important to note that the effectiveness of window soundproofing depends on various factors such as the type of window, the thickness of the glass, and the sound frequency. Therefore, it is essential to choose the right soundproofing material that is suitable for your specific needs.

Cheap Soundproofing Materials

Cheap Soundproofing Materials

There are various methods and materials available to soundproof your windows, but not all of them are budget-friendly. Fortunately, there are some cheap soundproofing materials that you can use to minimize noise and improve the acoustic insulation of your windows.

Here are some of the best and most affordable soundproofing materials that you can use to soundproof your windows without breaking the bank.

Related: Can you soundproof existing windows?

Weatherstripping

Weatherstripping is a simple and effective way to soundproof your windows. It involves sealing the gaps and cracks around the window frame to prevent noise from entering or escaping the room. Weatherstripping materials can be made of foam, rubber, or silicone and are available in various sizes and shapes to fit any window frame.

They are easy to install and are one of the most affordable soundproofing materials available. By using weatherstripping, you can significantly reduce noise levels and improve energy efficiency in your home.

Acoustic Caulk

Acoustic caulk is a special type of caulk that is designed to reduce noise transmission through walls, ceilings, and floors. It is an excellent soundproofing material that can be used to seal gaps and cracks around window frames, as well as other openings in your home.

Acoustic caulk is made of a special formula that is thicker and more elastic than regular caulk, which makes it more effective in reducing sound transmission. It is easy to apply and can be used to fill gaps and cracks of any size.

Soundproof Curtains

Soundproof curtains are an affordable and easy-to-install solution for soundproofing your windows. These curtains are made of heavy-duty materials that are designed to block out noise and light. They are available in various styles and colors, so you can choose the ones that match your interior decor.

Soundproof curtains can reduce noise levels by up to 50%, depending on the thickness and quality of the fabric. They are an excellent option for those who want to improve their sleep quality or create a more peaceful environment in their home.

Window Film

Window film is another cost-effective way to soundproof your windows. It is a thin layer of film that is applied to the window glass, which helps to reduce noise and improve energy efficiency. Window film is available in different types, such as heat control film, UV protection film, and privacy film.

Some types of window film can reduce noise levels by up to 30%, making them an excellent choice for those who want to improve the acoustic insulation of their windows without spending a lot of money.

Acoustic Foam and Panels

Acoustic foam and panels are more expensive than other soundproofing materials, but they are still affordable compared to other methods. They are made of foam or fiberglass and are designed to absorb sound waves, which reduces noise levels and improves the acoustics of the room.

Acoustic foam and panels are available in different sizes and shapes, and they can be cut to fit any window frame. They are easy to install and can be attached to the window frame using adhesive or Velcro.

Acoustic foam and panels are an excellent option for those who want to create a home studio or improve the sound quality of their home theater.

Step by Step: DIY Window Soundproofing

Step by Step: DIY Window Soundproofing

If you live in a noisy area or near a busy street, it can be challenging to find peace and quiet inside your home. One of the most effective ways to reduce unwanted noise is to soundproof your windows. Professional soundproofing services can be expensive.

Related: Soundproof a window without replacing it

Here is a step-by-step process of soundproofing your windows on a budget.

Step 1. Assessing Your Window’s Current Soundproofing

Before you start soundproofing your windows, it’s essential to assess their current soundproofing capabilities. If you have single-pane windows, they’re likely not doing much to block out noise. If you have double-pane windows, they already provide some soundproofing benefits.

You can test your windows’ soundproofing by standing near them and listening for outside noise. If you hear a lot of noise, your windows are not soundproofed effectively. If you can feel drafts coming in around your windows, they’re likely not sealed correctly, allowing noise to enter your home.

Step 2. Selecting Appropriate Materials

The first step in soundproofing your windows is to select the appropriate materials. You’ll need to purchase materials that will reduce noise levels, such as weatherstripping, acoustic caulk, soundproof curtains, window film, and acoustic foam or panels.

When selecting materials, it’s essential to consider their effectiveness, affordability, and ease of installation. You don’t want to choose materials that are too expensive or difficult to install, as it defeats the purpose of DIY soundproofing.

Step 3. Installing Weatherstripping

Weatherstripping is an affordable and effective way to reduce drafts and noise around your windows. It works by sealing any gaps around your windows, preventing air and sound from passing through.

To install weatherstripping, you’ll need to measure the length of each window and cut the weatherstripping to fit. Then, you can attach it to the window frame using adhesive tape or screws. Make sure to apply enough pressure to ensure the weatherstripping is secure and sealed.

Step 4. Applying Acoustic Caulk

Acoustic caulk is a specialized type of caulk that helps reduce noise by filling in any gaps or cracks around your windows. It’s easy to apply and can significantly reduce noise levels.

To apply acoustic caulk, you’ll need to clean the area around your windows thoroughly. Then, apply the caulk to any gaps or cracks using a caulking gun. Smooth the caulk using a putty knife, and allow it to dry for at least 24 hours before testing.

Step 5. Mounting Soundproof Curtains

Soundproof curtains are an affordable and effective way to reduce noise levels in your home. They work by absorbing sound waves and preventing them from entering your home.

To mount soundproof curtains, you’ll need to measure your window’s dimensions and purchase curtains that fit. Then, install a curtain rod above your window and hang the curtains. Make sure the curtains cover the entire window and extend beyond the frame to ensure maximum effectiveness.

Step 6. Installing Window Film

Window film is an affordable and straightforward way to reduce noise levels in your home. It works by creating a barrier that prevents sound waves from passing through your windows.

To install window film, you’ll need to clean your windows thoroughly and cut the film to fit your window’s dimensions. Then, apply the film to your windows using a squeegee to smooth out any air bubbles.

Step 7. Attaching Acoustic Foam or Panels

Acoustic foam or panels are effective at reducing noise levels in your home. They absorb sound waves, preventing them from passing

Maximizing Soundproofing Effectiveness

Maximizing Soundproofing Effectiveness

When it comes to soundproofing a window on a budget, there are several approaches you can take. But, the key to achieving maximum effectiveness in soundproofing is to combine different techniques that work together to reduce noise transmission.

Below are some of the most effective strategies for soundproofing your window.

Sealing gaps and cracks around the window frame

The first step in soundproofing a window is to identify and seal any gaps or cracks around the window frame. These gaps allow noise to enter your room, and sealing them can significantly reduce the amount of noise that gets through. To seal gaps and cracks, you can use weatherstripping or caulk.

Weatherstripping is a flexible material that can be used to seal gaps around the window frame, while caulk is a sealant that can be used to fill in gaps and cracks. Both weatherstripping and caulk are inexpensive and easy to apply.

Adding a second layer of glass or acrylic

Another effective technique for soundproofing a window is to add a second layer of glass or acrylic to the window. This works by creating an air gap between the two layers, which helps to reduce noise transmission. You can purchase acrylic sheets or window film that can be applied directly to the window.

Alternatively, you can install a second window pane using a window kit. While adding a second layer of glass or acrylic can be more expensive than sealing gaps, it can significantly improve the soundproofing effectiveness of your window.

Combining multiple soundproofing techniques

To achieve maximum effectiveness in soundproofing your window, it’s important to combine multiple techniques. For example, you can seal gaps and cracks around the window frame, add a second layer of glass or acrylic, and use sound-absorbing materials like curtains or acoustic foam.

By combining these techniques, you can create a multi-layered sound barrier that significantly reduces noise transmission.

Regular maintenance for optimal performance

At last, it’s important to regularly maintain your soundproofing efforts to ensure optimal performance. This can include checking for any new gaps or cracks that may have formed around the window frame, replacing weatherstripping or caulk as needed, and cleaning any sound-absorbing materials.

By regularly maintaining your soundproofing efforts, you can ensure that your window continues to provide effective noise reduction over time.

Soundproofing for Different Window Types

Soundproofing for Different Window Types

When it comes to soundproofing a room, one of the most important things to consider is the type of window you have. Different types of windows require different methods of soundproofing, and some methods may be more effective than others depending on the window type.

Here are some of the different soundproofing techniques that are suitable for various window types, including single-pane windows, double-pane windows, sliding windows, and casement windows.

Single-pane windows

Single-pane windows are notorious for being poor at soundproofing due to their lack of insulation. There are still a few things you can do to improve their soundproofing capabilities. One of the easiest and cheapest methods is to apply a layer of window film or acoustic curtains to the window.

Both options can help reduce noise transmission through the glass. You can also consider installing a window plug or seal around the edges of the window frame to prevent sound leakage.

Double-pane windows

Double-pane windows are more effective at soundproofing than single-pane windows due to their insulated design. In contrast, there are still ways to improve their soundproofing capabilities further. One option is to replace the window with a thicker or laminated glass, which can help reduce noise transmission.

Another option is to install soundproofing curtains or blinds, which can absorb sound waves and prevent them from entering the room.

Sliding windows

Sliding windows can be tricky to soundproof because of their sliding mechanism. But, there are a few methods you can try. One option is to install weatherstripping around the window frame to prevent sound leakage.

You can also consider adding a layer of soundproofing film or curtains to the window, which can help reduce noise transmission.

Casement windows

Casement windows are generally better at soundproofing than sliding windows due to their tighter seal when closed.

Although, they can still benefit from soundproofing methods such as adding a layer of window film or installing soundproofing curtains. You can also consider adding a window plug or seal around the edges of the window frame to prevent sound leakage.

Conclusion

Soundproofing a window on a budget can be done by adding a layer of soundproof curtains, using weatherstripping tape to seal gaps, or hanging heavy blankets over the window. Another effective method is to install a DIY window plug using foam boards or acoustic insulation.

To determine the success of your soundproofing project, you can use various methods such as using a decibel meter, testing with external noise, and asking for feedback from others in the house.

Take some time to listen for any noticeable differences in sound levels and make a note of them. If you’re not satisfied with the results, you may need to adjust your approach and try different methods.

If you’re not completely satisfied with the level of soundproofing achieved, you may need to try different soundproofing techniques or add additional materials to the window.

You may also want to consider getting professional advice or consulting with a soundproofing expert to help you achieve the best possible results.

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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. SoundproofProfessional.com is a one-stop solution for all of your soundproofing related questions.