Should I remove old attic insulation before adding new?

• <div><p>Ideally, you can add new insulation to your existing insulation. However, some circumstances require you to remove old insulation before adding any new insulation: </p><ul><li><p>If the insulation is over 15 years old</p></li><li><p>If the insulation is wet or moldy</p></li><li><p>If it is <a href="https://www.angi.com/articles/what-is-vermiculite-insulation.htm">vermiculite insulation</a></p></li><li><p>If you see signs of pest infestation</p></li></ul><p>Removing old insulation is best left to a pro who can safely dispose of potential moldy or asbestos-ridden insulation.</p></div>

Does the paper on insulation go in or out?

• <div><p>If you’re using faced insulation with paper, face the paper toward the inside of the room during the installation process. </p><p>A good way to remember this is that the paper should face the “warm side” as it’s the vapor barrier, meaning it should face toward where the heat will be coming from.</p></div>

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

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Last update on July 20, 2026

Reviewed in July 2026
Scott was absolutely terrific. Fantastic communication before, during, and after. I knew exactly when he would come, he communicated with me while I was in the hardware store about what materials and supplies I was getting, and he communicated well on any needed follow-up. He corrected some...
S&S Home Services
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Reviewed in April 2026
We've now had two amazing experiences with Kenny Do-It & Principe. We needed a quick fix in our AC unit and they responded immediately. We most recently hired them to install a central air unit in our new cabin and we are so happy we moved forward with them. Their communication is spot on and...
Kenny Do-It HVAC, LLC
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Reviewed in January 2026
They installed many floors for us and always do a great job.
Duell Action Builders
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Reviewed in February 2025
Over the course of 5 years, Tom has completed many projects for us, including steel roof and steel siding, exterior stone veneer, 70’x12’ Trex deck, interior finishing work, and installation of accent lighting in a cathedral ceiling. Tom is conscientious and efficient. His work is high quality...
Donahue Contracting
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Reviewed in January 2025
He installed every window in my house and did all my siding very professional and would highly recommend him to anyone
BARNABY BUILDERS LLC
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Reviewed in September 2024
We feel so fortunate to have found such a talented and responsible electrician! Over the last year, Destin has done electrical repairs in an older home and continues to do new installation work in a home we are in the process of completing. He is professional, honest, and his workmanship is...
Voltmen Electric, LLC
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Reviewed in August 2024
Jay , wazzim and Matt were a great team. Pleasant, respectful of home, smiles, and answered all inquires. Great customer service. Window install looks fabulous.
Renewal by Andersen of Eastern NY
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Reviewed in November 2023
I hired Jerry initially to install a new driveway. Not only was he fast and efficient he has a good eye for detail he is a perfectionist. He exceeded my vision of what I initially wanted and the project was completed far exceeded my expectations. I found him to be so knowledgeable I hired him...
A&J Excavation and Property Maintenance, LLC
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Reviewed in October 2023
I needed a Hydronic Electric Baseboard Heater installed in an upstairs bedroom. I Googled Electrician near me and read the reviews on Krueger. All the reviews were rated 5 stars. I spoke to Johnathan and he was able to send someone following day. They were very efficient and personable. His bill...
Krueger Electric
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Reviewed in January 2023
Sean Duff was spot on with his estimate, his swift timeframe, and the installation. He took the time to explain the procedure to me and also the functionality of the generator itself. He was thorough and clean and knowledgeable, and his customer service was top notch! I would highly recommend...
Copper Field Power Systems & Electric, LLC
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Doorbell Installation questions, answered by experts

Ideally, you can add new insulation to your existing insulation. However, some circumstances require you to remove old insulation before adding any new insulation:

If the insulation is over 15 years old
If the insulation is wet or moldy
If it is vermiculite insulation
If you see signs of pest infestation

Removing old insulation is best left to a pro who can safely dispose of potential moldy or asbestos-ridden insulation.

It is usually possible to install insulation yourself, but it’s often better to hire an insulation professional. An experienced insulation pro can determine which type of insulation is best for your space and the R-value get the most value and comfort in your home. Certain types of insulation can cause skin, eye, and lung irritation, and a professional will have the equipment necessary to keep themselves safe and limit the effect on your indoor air quality after the installation. Certain types of insulation—like blown-in and loose-fill insulation—demand a professional for proper functionality and safe installation.

Depending on where you live and the conditions of your basement, you may not need to insulate your basement. Your best bet is to talk to a basement remodeling company to find out what they recommend doing.

Insulating your basement can help improve your home's energy efficiency, but it will also increase the cost of your basement remodel project. The average cost of installing basement insulation is $2,400.

If you’re using faced insulation with paper, face the paper toward the inside of the room during the installation process.

A good way to remember this is that the paper should face the “warm side” as it’s the vapor barrier, meaning it should face toward where the heat will be coming from.

Insulation is professionally installed by measuring spaces, cutting materials to fit correctly, and placing them without gaps for optimal thermal resistance.

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