4 Best Ways to Soundproof Windows

October 31, 2024

Do you struggle to relax at home because of outside noise?   

Whether it’s loud traffic, noisy neighbors, or nearby construction, constant noise can ruin your peace and quiet, disrupt your sleep, or make working from home harder than it should be. While no window can completely block out sound, the right soundproofing options can reduce it. From simple DIY fixes to installing soundproof windows, here’s how to get back your quiet space. 

How to Soundproof a Window

There are lots of ways to reduce the noise coming through your windows. Some options are quick and affordable, while others offer long-term solutions for major noise problems. Here are the most popular ideas for how you can soundproof a window. 

1. Replace Your Windows with Soundproof Windows

For severe noise, replacement windows are often the best option. Soundproof windows typically feature double or triple panes of glass, with gaps of air in between the panes. The extra layers reduce noise and provide extra insulation that can also improve your home’s energy efficiency.  

Pros of soundproof windows: 

  • Best noise reduction: The multiple panes create an insulating buffer that’s the best way to reduce outside noise. 
  • Long-term investment: These windows last for years, requiring less maintenance than some other soundproofing ideas on our list. 
  • Looks great: You can choose window styles, tints, and frames that fit your home’s design and add to its curb appeal. 

Cons of soundproof windows: 

  • Higher upfront cost: Replacing windows is the most expensive soundproofing option. Costs vary based on the size and type of window. 
  • Professional installation required: Installing double- or triple-pane windows can be complex and requires professional help, which adds to the overall cost. 

2. Use Acoustic Caulk

Over time, poorly fit windows can develop small spaces that let in air, drafts, and noise. Acoustic caulk is a flexible sealant designed to fill the gaps and cracks around windows and block sound. If you’re wondering how to soundproof a window while staying within your budget, it’s a great option. 

Pros of acoustic caulk:  

  • Inexpensive: Acoustic caulk is an affordable way to reduce sound and costs much less than replacing windows. 
  • Easy to apply: It’s simple to use with a caulking gun, making it a quick DIY project for homeowners.

Cons of acoustic caulk:  

  • Limited noise reduction: While it can help, caulk alone won’t provide the same noise reduction as soundproof windows or adding soundproof curtains. 
  • Needs reapplication: Acoustic caulk may wear down over time and need to be reapplied to stay effective. 

3. Buy Sound-Absorbing Curtains

Sound-absorbing curtains are made from thick, dense fabrics that dampen noise. While they’re not completely soundproof for windows, they can be a stylish way to block mild to moderate sounds like traffic or conversations. 

Pros of curtains:  

  • Affordable: Sound-absorbing curtains cost less than soundproof windows and are available at most home goods stores. 
  • Easy to install: All you need is a sturdy curtain rod and some time to hang them. 
  • Insulation and light control: These curtains also help with temperature control and block out light, making them ideal for rooms where you need quiet and darkness. 

Cons of curtains:  

  • May not fit your design preferences: The heavy, thick fabric may not match your home’s style or be too bulky for certain window frames. 
  • Limited noise reduction: While they help, curtains won’t fully block out loud sounds like sirens or construction. 

4. Update Weatherstripping

If you want DIY ideas for how to soundproof a window, try weatherstripping. This creates a tight seal around windows, preventing drafts and noise from sneaking through small gaps. It’s a great option for windows that let in sound due to old or worn-out seals. 

Pros of weatherstripping:  

  • Low cost: Weatherstripping is an inexpensive fix, and you can find most materials at the hardware store. 
  • Easy to install: This is a straightforward DIY project that most homeowners can do in a couple of hours. 
  • Improves insulation: By blocking drafts and noise, new weatherstripping helps keep your home more comfortable and energy efficient.

Cons of weatherstripping: 

  • Less effective for loud sounds: Weatherstripping won’t block out loud, persistent noise like soundproof windows will. 
  • Requires regular maintenance: Over time, weatherstripping can wear out, needing replacement to stay effective. 
  • Limited impact on old frames: If your window frames are very old or damaged, weatherstripping might not make a significant difference. 

Enjoy the Benefits of Noise-Reducing Windows

Whether you’re dealing with light noise from traffic or major disruptions like planes flying overhead, you’re probably willing to consider any idea that will get you a better night’s sleep. While DIY solutions like acoustic caulk, sound-absorbing curtains, and weatherstripping can help, they’re best for minor to moderate noise issues. For severe noise, double- or triple-pane soundproof windows are the best option. They not only block sound, but have other advantages: 

  • Improved energy efficiency: Soundproof windows trap air between the glass layers, acting as an insulator, improving energy efficiency, and saving you money on utility bills year-round. 
  • Increased home value: Upgrading to soundproof windows can boost your home’s curb appeal and offer long-term energy savings, which could increase its value. Potential buyers may appreciate the quiet and energy-efficient features. 
  • Enhanced security: Thicker, multi-pane windows are harder to break than single-pane models. Some soundproof windows also come with reinforced glass, making them even more difficult to shatter.

Ready to see the benefits for yourself? West Shore Home is here to help you choose the best windows for your home. Our experts can guide you through the process, ensuring you get the right balance of noise reduction, energy efficiency, and style. Contact us for a free, no-obligation design consultation to get started.  

Soundproof Window FAQs

What are soundproof windows?

Soundproof windows are specially designed with multiple layers of glass to reduce the amount of noise entering your home. They have thicker glass and additional insulating materials to minimize sound transfer, and are ideal for homes in busy, noisy areas like cities or near highways. 

How can I soundproof a window?

You can soundproof a window by replacing it with double- or triple-pane windows, applying acoustic caulk around the frame, using sound-absorbing curtains, or updating weatherstripping to block gaps. The right solution depends on your noise problem and budget. 

Do soundproof windows really work?

Yes, soundproof windows significantly reduce noise, but they don’t eliminate it entirely. They’re especially effective at blocking high-frequency sounds like traffic and loud conversations. While no window can make a room completely silent, soundproof windows offer noticeable noise reduction and create a much quieter environment. 

Can I install soundproof windows myself? 

It’s best to hire professionals for installing soundproof windows. Proper installation is key to maximizing the noise reduction benefits. Incorrect installation can leave gaps that allow sound to seep in, making the windows less effective.