Can I use fiberglass insulation to soundproof a room?

• <div><p>We do not recommend fiberglass insulation for soundproofing purposes, especially if you are working on a room that’s part of your living space. <a href="https://www.angi.com/articles/diy-dangers-fiberglass-insulation-hazards.htm">Fiberglass insulation is dangerous</a>, and the installation process is hazardous. It is also harmful to the environment. When there are so many newer, healthier non-fiberglass alternatives in the market, the lower cost of fiberglass insulation simply doesn’t justify the harm and danger it poses.</p></div>

What is the downside of radiant barriers?

• <div><p>The primary downside of radiant barriers is their limited effectiveness in cold climates. They are designed to reflect radiant heat, making them less beneficial in cooler conditions where heat retention is more important. </p><p>Radiant barriers require proper installation to maximize effectiveness. Incorrect placement can lead to minimal benefits. They also do not provide insulation, meaning they should be used in conjunction with traditional insulation for optimal energy efficiency. </p></div>

How do I add insulation to existing walls?

• <div><p>If you need to insulate behind finished walls, the best option will likely be to have an insulation professional install <a href="https://www.angi.com/articles/blown-in-insulation.htm">blown-in insulation</a>. The installation requires small holes cut in your wall, after which the installer can blow loose-fill insulation into the void. After the installation, you’ll have minor drywall patching, which shouldn’t cost more than <b>$100</b>. Compared to ripping down the existing drywall, using a different type of insulation, and replacing and finishing the drywall, this should save you hundreds or even thousands, depending on the size of the room you’re insulating.</p></div>

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TRUSTED BY THREE RIVERS, CA HOMEOWNERS

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Verified Reviews for Doorbell Installation pros in Three Rivers, CA

*The Angi rating for Doorbell Installation companies in Three Rivers, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Doorbell Installation needs.

*The HomeAdvisor rating for Doorbell Installation companies in Three Rivers, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Doorbell Installation needs.

Last update on December 04, 2025

Reviewed in December 2025
I use Plumbing Plus because of their professionalism and technical expertise. I was lucky enough to have Tony ( again ) as my technician. He gave me options, and began with the least expensive option- which turned out to be the solution. Will definitely use this company again!
Plumbing Plus
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Reviewed in January 2025
Very satisfied. Professional and honest. Did an excellent job installing my tankless water heater. If you ever need a water heater swapped out, I would recommend Prophecy plumbing!
PROPHECY PLUMBING
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Reviewed in June 2024
quick to respond, very polite, and did a wonderful job!
Turner's Eco-Care Solutions-Unlicensed Contractor
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Reviewed in October 2023
Federico was very professional, friendly, and easy to work with. I am very pleased with the work he did and will hire him again.
Clear Wave Windows LLC
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Reviewed in July 2023
Abel was great to work with! Showed up everyday on time and went above and beyond to get the job done. We had 16 trees and over 40 rose bushes that needed to be trimmed back. He was priced well below the other competitors and did a great job. Highly recommend!
Mendoza Tree Service, Inc.
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Reviewed in February 2021
Great Service fast and very reliable explains operations and is very safe.
Norton Tree Care
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Reviewed in October 2020
We were worried when we found out that our selection would be on line, but it went very well. Cindy Gill, the designer, counseled us very well, had us measure the windows in two bedrooms, and sent us several samples of colors of the wood for blinds. Then she sent John who verified our...
3 Blind Mice Window Coverings, Inc.
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Reviewed in November 2017
Carmelo and his crew installed laminate floors in my kitchen, mud room, downstairs hallway, and both bathrooms. They then installed new carpet in all my bedrooms, the stairs, and upstairs hallway. The price was really reasonable and the quality of work was great. Customer service was excellent...
Martinez Flooring
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Reviewed in October 2014
Overall the company was professional, responsive and easy to work with. The Energy Upgrade CA rebate program was particularly problematic and time consuming to complete. We had an issue with the venting of our hot water heater (not part of the work that we hired the contractor for). When the...
Superior Air
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Reviewed in September 2013
Ronnie and Doug were very professional, courteous, knowledgeable and timely. They removed and installed old outdated water piping, sewer drainage and a water heater. Sounds like a routine job but they had to break up a cement slab to get to one part of the sewer line, crawl under my house to dig...
Visalia Plumbing
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Doorbell Installation questions, answered by experts

It’s best not to install a radiant barrier directly under insulation because it requires an air gap on at least one side to work properly. Instead, you should install the radiant barrier over your existing insulation to create an air space to reflect the radiant heat.

DIY insulation installation is feasible, particularly for basic rolls or batts, if you have the right protective gear and knowledge. However, hiring a professional ensures even, full coverage for maximum efficiency.

We do not recommend fiberglass insulation for soundproofing purposes, especially if you are working on a room that’s part of your living space. Fiberglass insulation is dangerous, and the installation process is hazardous. It is also harmful to the environment. When there are so many newer, healthier non-fiberglass alternatives in the market, the lower cost of fiberglass insulation simply doesn’t justify the harm and danger it poses.

The primary downside of radiant barriers is their limited effectiveness in cold climates. They are designed to reflect radiant heat, making them less beneficial in cooler conditions where heat retention is more important.

Radiant barriers require proper installation to maximize effectiveness. Incorrect placement can lead to minimal benefits. They also do not provide insulation, meaning they should be used in conjunction with traditional insulation for optimal energy efficiency.

If you need to insulate behind finished walls, the best option will likely be to have an insulation professional install blown-in insulation. The installation requires small holes cut in your wall, after which the installer can blow loose-fill insulation into the void. After the installation, you’ll have minor drywall patching, which shouldn’t cost more than $100. Compared to ripping down the existing drywall, using a different type of insulation, and replacing and finishing the drywall, this should save you hundreds or even thousands, depending on the size of the room you’re insulating.

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