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>

Should you remove old insulation before adding new insulation?

• <div><p>You do not always need to remove old insulation before adding new. If the existing insulation is in good condition—not wet, physically damaged, moldy, or infested with pests—you can add new insulation directly on top of it for a compounding effect. You can also mix different types, such as adding blown-in insulation around existing fiberglass batts.</p><p>However, removal is recommended if the old insulation is compromised by water damage or pests. You should also remove it if you plan to install a different type of insulation, like switching from roll or batt insulation to spray foam. If the existing insulation is very old or damaged, you will likely get more benefit from removing it and starting fresh.</p></div>

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Q: Does an attic floor need a vapor barrier?

• <div><p>Vapor barriers in attics are a bit outdated and most areas no longer recommend them for attic spaces. For vented attics, the best method is usually to install drywall and cover it with latex paint before attaching insulation fiberglass, cellulose, or foam insulation. When renovating an attic to use as a living space, a contractor can guide you on the best way to cover insulation.</p></div>

Q: What benefits does a professional installation provide?

• <div><p>Improves water efficiency, reduces oversight, and enhances landscape health.</p></div>

Q: Is it OK to put plywood over insulation in an attic?

• <div><p>Installing sheets of plywood over <a href="https://www.angi.com/articles/attic-insulation-guide.htm">attic insulation</a> is a popular choice, especially in storage spaces. That said, insulation works by trapping hot air&mdash;so it needs extra space to expand and be effective, or you might reduce the energy efficiency of your home. </p><p>It&rsquo;s important that you never compress the insulation by installing flooring directly on top of it. In many houses, you&rsquo;ll need to install a subfloor before putting plywood over insulation in your attic.</p></div>

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Verified Reviews for Doorbell Installation pros in Barry, IL

*The Angi rating for Doorbell Installation companies in Barry, IL 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 Barry, IL 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 March 08, 2025

Reviewed in March 2025
Jimmy and his crew did an excellent job and the work was done in a timely manner.
Tri-State Restoration & Construction LLC
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Reviewed in February 2024
Great work for a great price
Rardo's Excavation
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Reviewed in May 2023
Th hey also cleaned our carpets and did an awesome job on the â petâ stains! Enjoyable people to work with
All-in-1 Cleaning Company LLC
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Reviewed in May 2022
This young man came in an listened to what I wanted him to do. He said that he could do it and went to work. I am totally impressed with his quality of work.. I have some more work that I am going to ask him to do.
Justin Cummings
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Reviewed in May 2022
Guys arrived on time......worked in timely manner...very polite....went above and beyond.
ProCare Tree Service
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Reviewed in April 2022
I would use his services again in the future.
Bylers Concrete
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Reviewed in June 2014
<strong><em>Initial report - 12/11/13<br /> </em></strong>The project was a couple of weeks behind the expected start date but the delay didn't cause any issues for me. For the workers, I imagine the difference between 40 degrees and 4 degrees outside with zero degree wind chill made A LOT of...
Full Service Roofing & Remodeling Inc
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Reviewed in March 2013
The appointment for the quote went great. Our sales rep was just a few minutes early and actually beat me there. He got right to business, but also took the time to make my kids feel important...he even let my 20 month old daughter help by holding his flashlight while he took some measurements....
Aire Serv of Quincy
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Reviewed in December 2012
Peters came in and built and installed a baffle to resolve the living room vent issue. The existing ducts to the far bedroom was inspected - as requested - and Peter's provided me with potential solutions. <br /> Technicians were prompt, knowledgeable and quick. The 'mess' was cleaned and...
Peters Heating & Air Conditioning
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Reviewed in June 2011
Air Specialists were fantastic to deal with. I ran through multiple scenarios with Jamie and he was excellent. Brandon (Service Tech) and one of his co-workers did the install and it went great. I would recommend them again in a heartbeat. Brandon came out and diagnosed a severe leak in the...
AIR SPECIALISTS
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Doorbell Installation questions, answered by experts

Vapor barriers in attics are a bit outdated and most areas no longer recommend them for attic spaces. For vented attics, the best method is usually to install drywall and cover it with latex paint before attaching insulation fiberglass, cellulose, or foam insulation. When renovating an attic to use as a living space, a contractor can guide you on the best way to cover insulation.

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.

Improves water efficiency, reduces oversight, and enhances landscape health.

You do not always need to remove old insulation before adding new. If the existing insulation is in good condition—not wet, physically damaged, moldy, or infested with pests—you can add new insulation directly on top of it for a compounding effect. You can also mix different types, such as adding blown-in insulation around existing fiberglass batts.

However, removal is recommended if the old insulation is compromised by water damage or pests. You should also remove it if you plan to install a different type of insulation, like switching from roll or batt insulation to spray foam. If the existing insulation is very old or damaged, you will likely get more benefit from removing it and starting fresh.

Installing sheets of plywood over attic insulation is a popular choice, especially in storage spaces. That said, insulation works by trapping hot air—so it needs extra space to expand and be effective, or you might reduce the energy efficiency of your home.

It’s important that you never compress the insulation by installing flooring directly on top of it. In many houses, you’ll need to install a subfloor before putting plywood over insulation in your attic.

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