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How Much Do Soundproof Windows Cost
Author: Sturgeon Christie
Last Updated: February 9, 2024
Read Time: 4 Minutes
Author:
Sturgeon Christie
Last Updated:
February 9, 2024
Read Time:
4 Minutes
Author: Sturgeon Christie
Updated: Feb. 9, 2024
Read Time: 4 Minutes
The cost of a soundproof window depends on the type of window you’re looking to soundproof. We divide the universe up into two types of window customers:
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- Residential or commercial customers looking to soundproof an exterior facing window
- Commercial customers with architectural specs requiring a certain STC rating
If either of those describes you, keep reading for cost information on a soundproof window. As always, please reach out to us if you want to discuss your specific project!
Exterior Facing Soundproof Window Cost
Depending on the soundproofing method, the cost of soundproofing a window is between $100 - $1000. The world is a noisy place. Whether it’s your work from home office or your bedroom, having some peace and quiet will improve your quality of life. When looking for how to block noise from an outside window, you basically have 2 options.
1. Cost of soundproofing windows by replacing the existing windows
Replacing the windows in your home is a big project, and soundproofing results are not guaranteed. If your windows need replacing though, they need replacing.
| Type of Window | Price | Noise Reduction |
| Single Hung Window | $350 - $700 | Varies |
| Double Hung Window | $450 - $800 | Varies |
| Sliding Windows | $400 - $800 | Varies |
| Casement Windows | $600 - $1000 | Varies |
2. Cost of window soundproofing by covering the existing windows
To soundproof an existing window without replacing it, the key is to create an airtight seal over the existing window with a dense barrier. You basically have 3 options.
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- Find the densest/heaviest curtains you can find and install them extended well past the edges of the window. We hesitate to call them “soundproof curtains” because they won’t be airtight, and they won’t be rated for STC. Results: minimal (1-4 db)
- Cover the window with a dense, soundproof material like Luxury Liner mass loaded vinyl or a soundproof blanket like Quiet Quilt 2-Sided Blanket. You won’t be able to see out your window anymore, but with an airtight installation – good sound reduction is possible. Results: moderate (4-7 db)
- Install a Fantastic Frame soundproof window insert over the existing window. The Fantastic Frame inserts are a great DIY window soundproofing option that are custom-built with removable frames that create an airtight seal over the existing window. They are also great for skylight window soundproofing. Our soundproofing tech in the frames allows them to improve window insulation and reduce noise through the window up to 80%. Results: significant (10-20 db)
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| Type of Window | Price | Noise Reduction |
| Heavy Curtains | $100 - $200 | 10% - 20% |
| Luxury Liner MLV | $100 - $150 | 20% - 40% |
| Quiet Quilt Barrier Blanket | $300 - $500 | 25% - 45% |
| Fantastic Frame Window Inserts | $300 - $500 | 50% - 80% |
Interior Soundproof Windows cost
Many buildings have rated STC requirements (soundproof recording studio, music practice rooms, universities, military facilities). Our Tru Acoustics Soundproof Windows come with 3 STC rating options depending on your soundproofing requirements. All of our windows come with acousticall treated frames and seals – no doing it yourself on the job-site. We make sure it’s done right for you. We also have custom glass option (one-way) and custom frame colors (bronze and clear are standard). Contact us if you’d like to discuss your specific window needs!
1) Tru Acoustics STC 45 Soundproof Window
This window is your entry level soundproof window. It’s a 4-1/2” aluminum frame with a 1” thick, angled glass unit. They fit any wall thickness, and can be customized to any size of window.
2) Tru Acoustics STC 49 Soundproof Window
This window is where the rubber meets the road. It’s also 4-1/2” thick, but we’ve beefed up the airspace to 2” with an acoustical core for even better soundproofing performance. Yet again, we can do just about any size of window.
3) Tru Acoustics STC 56 Soundproof Window
This window is the power hitter and the go-to window for your highest level acoustical requirements. Bigger airspace, more glass, more acoustical core – it’s got it all. The STC 56 Tru Acoustics window comes in… you guessed it. Any size you need.
| Type of Window | Window Size | Price |
| Tru Acoustics STC 45 | 36" x 48" | $2069.99 |
| Tru Acoustics STC 45 | 48" x 48" | $2359.99 |
| Tru Acoustics STC 45 | 48" x 72" | $2949.99 |
| Tru Acoustics STC 49 | 36" x 48" | $2539.99 |
| Tru Acoustics STC 49 | 48" x 48" | $2889.99 |
| Tru Acoustics STC 49 | 48" x 72" | $3589.99 |
| Tru Acoustics STC 56 | 36" x 48" | $3129.99 |
| Tru Acoustics STC 56 | 48" x 48" | $3639.99 |
| Tru Acoustics STC 56 | 48" x 72" | $4639.99 |