The Sound Advice Blog

  • How to Soundproof a Window



    PrivacyShield® Window Seal Kit

    Quite often we get calls from folks about sound from traffic & highway noise, neighbors, barking dogs, HVAC and other machinery, etc. coming into a residential or commercial space. Typically, the compliant is that sound is coming in through the existing windows.

    So, how do I soundproof my window? Below we will outline some ways to address blocking sound from entering the window that include replacing the window or sealing the window.

    OPTION 1: Replace Existing Windows with Soundproof Windows

    Soundproof windows will typically have multiple layers of glass with air gaps in between. Milgard and other suppliers carry soundproof lines that can replace your existing windows.

    PROS: Effective, aesthetically pleasing solution.

    CONS: Expensive and may require a contractor to install.

    Option 2: Soundproof a Window with a Window Seal Kit

    The PrivacyShield® Window Seal Kit easily installs over the existing windows. These magnetically mount to the surface of the window trim or install in between the jambs of the window. The kit provides both acoustic and thermal insulation and is removable for access for cleaning or maintenance. The PrivacyShield® Window Seal Kit is compatible with a wide range of window styles.

    PROS: Inexpensive add on. Easy to remove and you get to keep your existing window style. Reduces noise and lowers heating & cooling costs.

    CONS: Not having one installed on your window yet!

    Option 3: Soundproof a Window with Clear Sound Barrier

    A custom sized window panel can be created using our AudioSeal® Clear Sound Barrier. The barrier can be manufactured in a size up to 48″ wide. The clear vinyl panel is then applied using velcro to the perimeter frame of the window. The clear barrier panel will need to extend past the visible glass and adhere to the perimeter molding to create a good seal and air gap. This option may not work with all styles of windows. See illustrations to the right.

    AudioSeal® Clear Barrier Window Panel

    PROS: Inexpensive and removable. Allows light to pass through.

    CONS: May not achieve a specific desired look.

    Option 4: Soundproof a Window with a Barrier Blanket

    The ABSC25 Sound Combination Blankets are manufactured with grommets for hanging and velcro on vertical edges. These can be sized  up to 48″ inches by 25′ (some limitations may apply). Multiple blankets can be used to cover larger windows. Multiple blankets may overlap with mating velcro in order to create a good sound seal and hold the blanket in place. The blanket panel will need to extend past the visible glass and adhere to the perimeter molding to create a good seal and air gap.

    AudioSeal® Combination Blanket ABSC-25 Window Panel

    AudioSeal® Combination Blanket ABSC-25 Window Panel

    PROS: Removable / temporary solution. Blocks & absorbs sound.

    CONS: Loss of light / vision and use of the window.

    Other Articles on Soundproofing:

    Soundproofing a Wall

    Soundproofing a Floor

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