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How Does Insulation Reduce Noise?

Many homeowners are aware of the energy savings and monetary benefits insulation offers, but interior home comfort—including reduced noises—is often overlooked. If you’re wondering “Does insulation reduce noise?” the answer is yes.

Keep reading to learn more about how it works!

Insulation & Soundproofing

Insulation can help reduce noise from outside and also inside, 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:

For the best results, talk to a professional insulation company.

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 muffle them, insulation is a great solution. This is especially beneficial for those living in high-traffic areas and people in apartment complexes and other places where noises tend to be louder.

Contact Gold Star Insulation if you need to insulate your home in the Sacramento, California area. We’ll help you make your home not only quieter but also more energy-efficient and comfortable!

Where should you insulate in your home? Check out our interactive infographic:

Products We Install
Energy Audits

Our team can help you save money with a home energy audit and air sealing services.


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


Environmentally friendly and effective, cellulose works well in homes and buildings.

Spray Foam

Gold Star Insulation is a leading installer of spray foam insulation in the Sacramento area.

Radiant Barrier

An attic radiant barrier can help keep your home cooler and more comfortable.

Insulation Removal

Gold Star Insulation provides home insulation removal services.

Air Sealing

We are committed to saving you money by sealing your attic—which is the main source of air leaks in the home.

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