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>

Do insulation companies need to be licensed?

• <div><p>In some areas, insulation companies require a special license, while some states only require them to hold general contractor licenses. Some municipalities may not mandate any license, although you should always ensure a contractor is fully insured. You can use Angi’s <a href="https://www.angi.com/angi-license-check.htm">license lookup tool</a> to confirm whether or not an insulation contractor you’re considering holds the necessary license for your area. You can also contact the company for information regarding licenses, certifications, and insurance.</p></div>

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TRUSTED BY LIBBY, MT HOMEOWNERS

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Verified Reviews for Doorbell Installation pros in Libby, MT

*The Angi rating for Doorbell Installation companies in Libby, MT 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 Libby, MT 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 June 19, 2026

Reviewed in June 2026
I hired this pro to install our wood siding and paint it, also pour the porch and patio cement, and install the beam work and stain it, he was extremely friendly and easy to work with and had many good ideas that I hadn’t thought of, his work ethic was second to none. My wife and I were...
Tailored Homes & Consulting, LLC
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Reviewed in October 2025
Cameron was fast, professional, and reliable. He diagnosed and replaced our HVAC fan motor. My system now runs better and quieter than ever. Fair pricing and great customer service?highly recommend!
Montana Heating and Cooling LLC
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Reviewed in September 2025
Yes, Solid Rock Fence Co did a very professional job. I would recommend them to anyone.
Solid Rock Fence Co
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Reviewed in July 2025
Yes they did exactly as I asked and the work on the new floor was better than I was hoping for. They were very professional and extremely knowledgeable of the work I needed done. I would hire them again and I strongly recommend them for any home improvement.
Legacy Homes Investing LLC
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Reviewed in August 2024
Mountain top Enterprises got back to me very timely. They were on time, go getters that got the job done. There were some alterations ,upgrades that needed done and they troubleshooted it perfect. They fixed the well leak, added a pressure valve and even helped get my sprinkler system on. Hats...
Mountaintop Enterprises, LLC
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Reviewed in January 2024
Goes above and beyond, and is very prompt in responses and scheduling. Offers answers and explanations to any and all questions or concerns. on time and extremely professional. Has very competitive In reasonable pricing. Work performed was a little more than described and promised price was...
Dirty Deeds Septic Services
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Reviewed in October 2022
He showed up as promised, on time , ready to go. Worked straight through until the job was completed. Cleaned up the site. This is the second roofing job heâ s done for us. Would call again!
Nyland Construction
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Reviewed in April 2021
Elevate Electric did a service change over on our home & wired our new 2400 sq ft shop. Work was impeccable, on time & very reasonable. Very kind & listened to all our wants & wishes. The completed project more than exceeded our expectations. My husband is thrilled with all the...
Elevate Electric
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Reviewed in November 2019
It went well- fast and efficient and they did a great job of cleaning up. Representatives and installers were pleasant and friendly and informative.
Renewal by Andersen of Montana
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Reviewed in December 2012
Last year provider suggested we get a new baffle. but did not "hard sell." This year he installed it for us and cleaned the chimney and fireplace. No mess was left and no dust raised. He did a superb job. <br />
Sparkle Chimney Sweeping Services
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Doorbell Installation questions, answered by experts

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.

In some areas, insulation companies require a special license, while some states only require them to hold general contractor licenses. Some municipalities may not mandate any license, although you should always ensure a contractor is fully insured. You can use Angi’s license lookup tool to confirm whether or not an insulation contractor you’re considering holds the necessary license for your area. You can also contact the company for information regarding licenses, certifications, and insurance.

Reduces energy costs, improves comfort, and prevents ice dams in winter.

When installing board and batten siding, make sure there is wall sheathing and a moisture-resistant barrier installed. Behind that sheathing should be plywood or OSB for you to nail the boards and battens into. If there isn’t plywood or OSB, you can install vertical furring strips at 1½- to 2-foot intervals to nail the boards and battens to.

Monolithic slabs don’t require insulation, but many homeowners choose to have their contractors install insulation under the slab during construction. This can help improve home efficiency even more and keep indoor temperatures more stable. Slab foundations are more energy-efficient than uninsulated crawl spaces and basements, and insulated slab foundations are more energy-efficient than insulated crawl spaces and basements.

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