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How Does Insulation Reduce Noise?

If you’ve ever talked to an insulation company or read anything about home insulation online, you’ve undoubtedly heard about the incredible energy savings it can offer. But insulation offers more benefits than just saving you money.

Many homeowners wonder if insulation can help reduce noise and their next question often is “how does insulation reduce noise?” Keep reading to learn more!

Insulation & Noise Reduction

Insulation can help reduce noise from outside and also inside homes and buildings, between rooms and levels.

Limiting the transmission of sound from one area to another requires a material that encloses the source of the noise, forming a barrier between the source and the adjacent areas. This is exactly how insulation works!

Some types of insulation help with sound control better than others. For example, radiant barrier works by reflecting the sun’s heat away from your home to keep it cooler and more comfortable, but it doesn’t provide any soundproofing. In our experience, the best types of soundproofing insulation are cellulose and fiberglass. For the best results, consult a professional insulation company.

Soundproofing for Different Types of Noises

There are two types of noises: airborne and impact. Airborne noises are the noises from outside (traffic, voices) and also include noises from the TV, music and other things inside the house. Impact noises include footsteps and vibrations from large appliances such as your washer and dryer. Insulation reduces both airborne and impact noises.

If outside noises seem unusually loud and you’re wondering how to reduce them, insulation is a great solution. This is especially beneficial for those living in cities like Chicago or other high-traffic areas and people in apartment complexes, where noises tend to be louder.

Contact ThermaSeal / Lakeside Insulation to learn more about our services—or if you’re ready to install cellulose or fiberglass insulation in your Chicago area home to help with soundproofing and energy savings!

Products We Install

Our team installs both batt and blown-in fiberglass insulation.


Help prevent mold and excessive moisture infiltration in homes you build with our waterproofing services.


At Thermaseal / Lakeside Insulation, we understand the role a floor plays within a building system by controlling sound and fire.

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