How To Soundproof Jalousie Windows? {6 Proven Ways}

How To Soundproof Jalousie Windows? {6 Proven Ways}

Jalousie windows, also known as louvre windows, offer aesthetic appeal and ventilation. But as we all know, they are often susceptible to sound transmission.

Fortunately, with the right techniques and materials, you can successfully soundproof your jalousie windows in no time.

And to help you successfully do so, I’ve rounded up 6 tried-and-tested ways to soundproof  jalousie windows.

No complicated jargon or rocket science involved. Just straightforward tips and easy-to-understand techniques that anyone can handle.

Ready for the magic? Here we go!

How does sound transmission occur through Jalousie Windows?

Sound transmission through jalousie windows occurs due to the inherent properties of the window design and materials involved. 

As you already know, jalousie windows consist of multiple horizontal glass slats, often with small gaps between them. When sound waves from the external environment encounter these slats, they cause the glass to vibrate.

These vibrations act as a conduit, allowing sound energy to pass through the glass and into the interior space.

The gaps between the slats also play a crucial role. These openings serve as secondary pathways for sound waves to travel through, bypassing the glass panels to some extent. 

As a result, the combination of vibrating glass and sound leakage through the gaps leads to sound transmission, allowing unwanted noise to penetrate the room.

6 Proven Ways To Soundproof Jalousie Windows

Here are the 6 tried-and-tested ways to soundproof a jalousie window

1. Use Rigid Foam Insulation

rigid Foam Insulation

Rigid foam insulation is a versatile material used for both thermal insulation and soundproofing purposes. It is a lightweight, rigid panel made from expanded polystyrene (EPS), extruded polystyrene (XPS), or polyisocyanurate (Polyiso). 

Rigid foam insulation helps to lessen the sound by absorbing sound vibrations and minimizing their transfer through walls, windows, or other surfaces.

When it comes to soundproofing jalousie windows, rigid foam insulation can be a super useful and a budget-friendly tool to minimize noise infiltration.

Here’s a step-by-step guide on how to use rigid foam insulation for soundproofing jalousie windows:

Materials that will be required:

  • Rigid foam insulation panels
  • Measuring tape
  • Utility knife or foam cutter
  • Straightedge or ruler
  • Adhesive (construction adhesive or adhesive tape)(optional)
  • Caulking gun (optional)
  • Silicone caulk (optional)

Step 1: Measure the window dimensions

Start by measuring the dimensions of your jalousie window. Measure the height and width of the glass area that you want to soundproof.

Step 2: Cut the foam insulation panels

Using a measuring tape, mark the measurements on the rigid foam insulation panels. Ensure that the panels are slightly larger than the measured dimensions to account for any variations.

Use a straightedge or ruler to guide the utility knife or foam cutter as you carefully cut the panels to size.

Step 3: Apply adhesive

Apply a layer of construction adhesive or use adhesive tape along the edges of the foam insulation panels. This ensures a more permanent and stable attachment, providing a consistent soundproofing solution. 

By the way, you can skip this step if you want to remove the foam panels as needed and put them back as necessary for soundproofing purposes. This is the beauty of using foam insulation panels.

The choice depends on whether you want a fixed soundproofing solution or the option to remove and reapply the foam panels as necessary.

If this is not your intent then continue with this step and further steps.

Step 4: Attach the foam insulation panels

After applying adhesive. Carefully press the foam insulation panels onto the glass surface of the jalousie window.

Ensure that they are aligned properly and adhere firmly to the glass. Apply gentle pressure to ensure a good bond between the foam insulation and the window.

Step 5: Seal gaps and edges

Take a look at the edges of the foam insulation panels for any gaps or openings between the panels and the window frame. If necessary, use a caulking gun and silicone caulk to seal any gaps or cracks, this will enhance the soundproofing effectiveness.

Step 6: Repeat for all jalousie windows

Repeat the above steps for each of your jalousie windows that you wish to soundproof.

Pro Tip: Opt for foam insulation with a high Sound Transmission Class (STC) rating for maximum effectiveness.

2. Hang Thick Curtains/Drapes

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Weather you are soundproofing a sash window, bay window, or any type of window curtains can If help in all of them.

And if you’re looking for the easiest yet effective way to soundproof your jalousie windows, hanging thick curtains or drapes is a perfect fit for you.

Thick curtains are designed to absorb sound waves, reducing noise transmission and creating a quieter environment inside your room. 

All you need to do is to purchase a 3-layered soundproofing curtain or drapes and install it in your  jalousie windows by installing a sturdy curtain rod.

Installing curtains or drapes on your window is literally easy AF. The cost of curtains or drapes will vary depending on the size, material and the brand as well.

On average, for a standard-sized window, you can expect to spend anywhere between $30 to $100 for a thick curtain and $50 to $130 for good quality drapes. Higher-end options will cost more.

By the way, I do let you know that, if your jalousie window is making a lot of noise, I suggest trying a combination of curtains and drapes. This should help to reduce the noise and make your window quieter.

3. Seal Cracks and Gaps

Sealing the Window Frame to prevent air escape with weather-stripping

If you want to soundproof your window without replacing it sealing cracks and gaps it important. It is one of the most cost-effective way to prevent sound leakage through jalousie windows. And if you’re dealing with an old window and trying to block out noise, this is definitely a must-do.

Here’s a detailed step-by-step guide on how to seal cracks and gaps for quiet your jalousie windows:

Materials needed:

  • Weatherstripping tape
  • Caulking gun
  • Acoustic caulk or acrylic latex caulk
  • Putty knife or scraper (if necessary)
  • Cleaning cloth
  • Optional: Foam sealant or expanding foam

Step 1: Identify cracks and gaps

First of all, carefully take a look at the window frame and sashes for any visible cracks, gaps, or openings.

Pay close attention to the areas where the window frame meets the wall and where the individual glass panels of the jalousie window overlap.

Step 2: Clean the surfaces

Before applying any sealant, I always recommend cleaning the surface. You can use a cleaning cloth to wipe away any debris.

Step 3: Apply weatherstripping tape

Measure the length of the edges of your jalousie window and cut weatherstripping tape to match those measurements. 

Peel off the backing from the tape and carefully press it along the entire edges of the window frame, covering any cracks, gaps, or openings.

By applying weatherstripping tape to the entire edges of your jalousie window, you can create a more comprehensive seal, further improving the soundproofing effectiveness. 

Step 4: Use caulk for larger gaps

For larger gaps or openings, use a caulking gun to apply a bead of acoustic caulk or acrylic latex caulk along the gaps. 

Hold the gun at a 45-degree angle and apply steady pressure to dispense the caulk. Smooth the caulk line using a putty knife or scraper to ensure a neat finish.

Step 5: Seal gaps between glass panels

If there are gaps between the individual glass panels of the jalousie window, apply a thin bead of acoustic caulk along these areas to seal them.

Step 6: Use foam sealant for larger gaps (Optional)

If you have larger gaps or openings that cannot be adequately sealed with caulk, then you can either use foam sealant or expanding foam.

Carefully apply the foam sealant filling the gaps and allowing it to expand and create a tight seal. Trim off any excess foam using a knife once it has fully cured.

Related: Velux window Soundproofing

Unlock serenity with 9 hacks to soundproof your Velux window.

4. Use Honeycomb Shades

honeycomb shades for soundproofing a Jalousie Window

Using honeycomb shades is an effective method for soundproofing jalousie windows. Honeycomb shades feature a unique cellular design that traps air, providing an extra layer of insulation against sound transmission. 

It can roughly cost around $50-$100 per window, depending on size and quality. So since they are affordable and can be easily removed, you can use it for temporary soundproofing of your window and reducing sound transmission in rental windows.

Anyway, to soundproof your jalousie window with honeycomb shades, all you need to do is just:

  1. Measure the height and width of your jalousie window
  2. Select honeycomb shades that are specifically designed for soundproofing
  3. Install the mounting brackets at the top corners of the window frame, ensuring they are level and properly aligned.
  4. Place the honeycomb shades onto the mounting brackets, aligning them properly. And you are pretty much done!

Related: 12 Effective Ways To Soundproof a Sliding Window

Discover the secrets to soundproofing your sliding window and enjoy a noise-free oasis.

5. Replace it With an Acoustic Jalousie Window

So if you’re seeking a long-term solution and want to make your window jalousie window quieter than ever then replacing it entirely with acoustic jalousie windows is a perfect option for you.

It is a highly effective method for soundproofing. Acoustic jalousie windows are made to minimize noise transmission and provide a quieter indoor environment.

However, it is highly recommended to involve a professional for the replacement of jalousie windows with acoustic options due to the complexity of the installation process and the need for expertise and experience as well.

6. Install Storm Window

This is one of favorite and most preferred way for soundproofing a jalousie windows. Installing a storm window on the exterior of your jalousie window creates an extra layer of sound insulation, reducing the transmission of noise and improving the overall soundproofing performance.

It’s especially useful if want to muffle a single-pane window effectively. Here’s how you can use a storm window for soundproofing your jalousie windows:

Materials you will need:

  • Storm window kit (including frame and glass panel)
  • Measuring tape
  • Screwdriver or drill
  • Screws or mounting clips
  • Optional: Weatherstripping tape or caulk for sealing gaps

Step 1: Measure the window dimensions

Starting by measuring the height and width of your jalousie window to determine the appropriate size for your storm window. Make sure that you measure the inside of the window frame for accurate sizing.

Step 2: Purchase a storm window kit

Select a storm window kit that matches the measurements of your jalousie window. These kits typically include a frame and glass panel designed for easy installation.

Step 3: Prepare the window frame

Clean the window frame and remove any debris or dirt. Ensure that the surface is dry and free from obstructions for proper installation.

Step 4: Attach the storm window frame

Position the storm window frame over the jalousie window frame, aligning the corners and edges properly. You can either use screws or mounting clips to secure the storm window frame to the jalousie window frame.

Step 5: Install the glass panel

Slide the glass panel into the storm window frame, ensuring a snug fit. Some storm windows may require additional clips or fasteners to hold the glass panel in place. Follow the instructions provided with the kit to secure the glass panel.

Step 6: Seal gaps or openings

Inspect the edges and gaps between the storm window frame and the jalousie window frame. If there are any noticeable gaps or openings, use weatherstripping tape or caulk to seal them.


FAQs: Soundproof a Jalousie Window

Q1. Can I remove the soundproofing materials if needed?

Yes, you can remove the soundproofing materials if needed. But as you may already know, removing the soundproofing may result in increased noise transmission through the jalousie windows again.

2. Is it possible to upgrade the glass in Jalousie Windows for better soundproofing?

Yes, it is possible to upgrade the glass in jalousie windows to improve soundproofing. Installing laminated or double-glazed glass can reduce sound transmission through the windows to a great extent. These glass options provide an additional layer of insulation and dampen noise vibrations, resulting in a quieter indoor environment.

3. How much of a difference can soundproofing Jalousie Windows make in reducing noise levels?

Soundproofing jalousie windows can make a noticeable difference in reducing noise levels. The extent of noise reduction depends on the specific soundproofing methods employed and the quality of materials used. However, by implementing effective soundproofing techniques like sealing and fixing all the gaps and cracks, or upgrading the glass, it is possible to achieve a better reduction in noise levels.

4. How much will it cost to soundproof a Jalousie Window?

The cost of soundproofing a jalousie window depends on the chosen methods and materials. Simple and affordable options like sealing cracks and gaps with weatherstripping may only cost around $5-20. On the other hand, more extensive solutions such as replacing the entire window with an acoustic jalousie window can range from $500-$1000 per window. Upgrading the glass or using professional services may involve additional costs. (Read: Soundproof window cost breakdown)

Final Thoughts on Jalousie Window Soundproofing

Soundproofing jalousie windows can enhance your overall by minimizing the amount of noise reaching your space.

Whether you choose applying weatherstripping, hanging thick curtains, using foam insulation, or whatever, each method has its own advantages and limitations as well.

In my perspective, using Rigid Foam Insulation is the easiest and affordable option for soundproofing jalousie windows. And it also works well.

Sealing gaps and cracks is also a DIY and effective technique. And hanging thick curtains also works pretty nice.

These are some of the affordable and “cheap” ways for making a jalousie window soundproof.

By the way, if these are not suitable for you, or you are not satisfied with the level of noise reduction then consider replacing your current window with an Acoustic Jalousie Window.

If you feel unsure about the installation process, it is always advisable to consult with a professional. 

And that wraps up our post! We hope you found these soundproofing tips for jalousie windows valuable and helpful. Thank you for investing your precious time in reading this. The SoundproofAddict team wishes you nothing but happy soundproofing adventures ahead

Furthermore, If you’re curious about how quiet double-pane windows, you should definitely check out the linked post. It probably has all the information you need to know!

Author

  • Mr. Ashish

    Hey there, I am Ashish, the founder and editor of SoundProof-Addict. With over 6 years of experience in soundproofing. My dedication to detail and pursuit of excellence has earned me a reputation for consistently delivering high-quality results. I also have almost 2 years of experience in interior designing. Other than that, I like soundproofing my cat.

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