Soundproofing with Bi-Folding Doors
Glass Inc

by Glass Inc

23 May, 2024

Soundproofing with Bi-Folding Doors


Bi-folding doors are renowned for their ability to transform spaces, enhance natural light, and create seamless transitions between indoor and outdoor environments. However, another crucial aspect of these versatile door solutions is their potential to improve acoustics and privacy through effective soundproofing. In this article, we’ll explore the various methods and benefits of soundproofing with bi-folding doors, showcasing how they can contribute to a more comfortable and peaceful living or working space.

Understanding Sound Transmission

To effectively soundproof your bi-folding doors, it’s essential to understand the basics of sound transmission and how it can impact your space. Sound travels through air, as well as through the structure of your building, and can enter or escape through gaps, cracks, or thin materials. Consider the following types of sound transmission:

Airborne soundSound that travels through the air, such as voices, music, or traffic noise, and can pass through gaps or thin materials.
Structure-borne soundSound that travels through the structure of your building, such as footsteps, vibrations from appliances, or impact noise, and can be transmitted through solid surfaces.
Flanking soundSound that bypasses the main barrier (e.g., your bi-folding doors) by traveling through adjacent walls, floors, or ceilings, and can be difficult to control without comprehensive soundproofing measures.

To learn more about the benefits of bi-folding doors and how soundproofing can enhance them, visit our dedicated sub-topic page.

Acoustic Glazing Solutions

One of the most effective ways to soundproof your bi-folding doors is by incorporating acoustic glazing solutions. These specialized glass and framing systems are designed to reduce sound transmission while maintaining the aesthetic and functional benefits of bi-folding doors. Consider the following acoustic glazing options:

Laminated glassTwo or more layers of glass bonded together with a sound-absorbing interlayer, such as polyvinyl butyral (PVB) or ethylene-vinyl acetate (EVA), which helps to dampen sound vibrations and reduce noise transmission.
Double or triple glazingMultiple panes of glass separated by a spacer and filled with air or inert gas, creating an insulating barrier that reduces both heat transfer and sound transmission.
Acoustic framingSpecialized framing systems that incorporate sound-absorbing materials, such as rubber or foam gaskets, to minimize vibrations and seal gaps between the glass and frame.

To explore the types of bi-folding doors and their compatibility with acoustic glazing solutions, visit our dedicated sub-topic page.

Sound-Absorbing Materials and Seals

In addition to acoustic glazing, incorporating sound-absorbing materials and seals into your bi-folding door system can further enhance its soundproofing properties. These materials help to reduce the amount of sound that can pass through gaps or reflect off hard surfaces. Consider the following sound-absorbing solutions:

Acoustic foam or fiberglassPorous materials that trap sound waves and convert them into heat energy, reducing sound transmission and echo. Can be applied to the inside of door frames or surrounding walls.
Weatherstripping and gasketsFlexible seals made of rubber, foam, or brush pile that close gaps between the door panels and frame, preventing sound from passing through. Also improve thermal insulation and energy efficiency.
Acoustic curtains or panelsMovable barriers made of heavy, sound-absorbing materials that can be placed in front of or around your bi-folding doors to provide additional sound insulation and privacy when needed.

To discover more about the customization options available for soundproofing your bi-folding doors, visit our dedicated sub-topic page.

Noise Reduction and Privacy Benefits

By effectively soundproofing your bi-folding doors, you can enjoy a range of noise reduction and privacy benefits in your living or working space. Whether you’re seeking to minimize outside disturbances or contain sound within a specific area, soundproofed bi-folding doors can help create a more comfortable and peaceful environment. Consider the following benefits:

Reduced outside noiseSoundproofed bi-folding doors can significantly reduce the amount of external noise, such as traffic, construction, or neighbors, that enters your space, allowing for a more tranquil and focused atmosphere.
Improved privacyBy limiting sound transmission, soundproofed bi-folding doors can enhance the privacy of your conversations and activities, preventing unwanted eavesdropping or disturbances.
Enhanced room functionalitySoundproofing allows you to create multi-functional spaces, such as home offices, media rooms, or music studios, without disrupting the rest of your living or working environment.

To learn more about the energy efficiency of bi-folding doors and how soundproofing can contribute to it, visit our dedicated sub-topic page.

Acoustic Testing and Ratings

When selecting soundproofed bi-folding doors, it’s essential to consider their acoustic performance ratings to ensure they meet your specific noise reduction requirements. Acoustic testing is conducted to measure the sound insulation properties of doors and windows, and the results are expressed using standardized ratings. The most common rating systems include:

Rating SystemDescription
Sound Transmission Class (STC)A single-number rating that measures the sound insulation properties of a door or window, with higher values indicating better soundproofing performance. Typical STC ratings for bi-folding doors range from 30 to 45.
Weighted Sound Reduction Index (Rw)A European rating system similar to STC, measuring the sound insulation properties of building elements. Rw values for bi-folding doors typically range from 30 to 40 dB.
Outdoor-Indoor Transmission Class (OITC)A single-number rating that measures the sound insulation properties of a door or window specifically for low-frequency outdoor noises, such as traffic or airplanes. OITC ratings are typically lower than STC ratings.

To explore the security features of bi-folding doors and how they can be combined with soundproofing measures, visit our dedicated sub-topic page.

Professional Consultation and Installation

To achieve optimal soundproofing results with your bi-folding doors, it’s crucial to work with experienced professionals who specialize in acoustic solutions. At Glass Inc., our team of experts is well-versed in the science of sound transmission and can provide tailored recommendations based on your specific needs and preferences.

Our professional services include:

  • Acoustic assessment and noise level measurements
  • Customized soundproofing solution design
  • Product selection and ordering
  • Precise and efficient installation
  • Post-installation testing and performance verification

To learn more about our maintenance and support services for soundproofed bi-folding doors, visit our dedicated sub-topic page.


Soundproofing your bi-folding doors can significantly enhance the comfort, privacy, and functionality of your living or working space in Atlanta, GA. By incorporating acoustic glazing solutions, sound-absorbing materials, and effective seals, you can reduce noise transmission and create a more peaceful and productive environment.

At Glass Inc., we are committed to providing the highest quality soundproofing solutions for bi-folding doors, backed by our expertise, professionalism, and dedication to customer satisfaction. Our team is ready to guide you through the process of selecting, customizing, and installing soundproofed bi-folding doors that meet your unique acoustic and aesthetic requirements.

To explore the various aspects of bi-folding doors, from their types and energy efficiency to customization options and outdoor applications, visit our comprehensive set of sub-topic pages. Contact Glass Inc. today to schedule a consultation and discover how our soundproofed bi-folding door solutions can transform your space and elevate your quality of life.

Got a question? Contact us.