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>

What is the best type of attic insulation?

• <div><p>The best type of attic insulation depends on where you live, your budget, and what stage of construction the attic is in. For example, if you're building a house, then structural insulated panels are a worthy investment since they're easy to install during construction and they're the most energy-efficient type of insulation. </p><p>Additionally, if you live in a very warm climate, then you can potentially save quite a bit of money by opting for reflective insulation, which is more affordable than comprehensive insulation but doesn't work well for cool climates. Blown-in, loose-fill, and spray foam insulation are all great options for attics in moderate climates.</p></div>

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Verified Reviews for Doorbell Installation pros in Edgard, LA

*The Angi rating for Doorbell Installation companies in Edgard, LA 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 Edgard, LA 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 September 15, 2025

Reviewed in September 2025
John Mitchell, did a great job of installing my window for me. He was efficient and quick. I am very happy and satisfied with his services. Definitely, I will recommend him to others as well.
Mitchell's Home Repairs
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Reviewed in November 2024
Excellent customer service Even after they install, they are right there for me to answer any questions Special thanks to Mike Frantz Very prompt in answering questions phone calls, emails text messages. Really love it. Thank you again again
TruHome Pros
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Reviewed in October 2024
Installation was great…..the whole process from start to finish was an easy process.
Acadian Windows and Siding LLC
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Reviewed in August 2024
I am absolutely thrilled with the security system installed at my home by Sesin IT service ! The entire process, from initial consultation to final installation, was seamless and professional. The team was knowledgeable, friendly, and took the time to understand my specific needs
Sesin IT Service
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Reviewed in May 2023
I hired Anthony to hang some new light fixtures in my house and install some new switches and outlets I was wanting to change. I am very impressed with his work! Very professional. I highly recommend!
Anthony's Lightning Service
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Reviewed in May 2022
Quick response, fair pricing and professional one day installation. I would hire P And J Construction again.
P and J Construction, LLC
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Reviewed in February 2022
Quick response. Did any excellent job installing our thermostat. Made sure everything was wired properly
Triple T a.c and heating LLC
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Reviewed in January 2022
Services: Grade A, Quality, Professional, Courteous, Exceptional The installers took the time to explain the installation process, did a complete walk-thru after installation was completed, and showed "CLASS". The pricing and lead-time on the windows were excellent. If you are looking for a...
Tommy's Windows, Doors, & Siding
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Reviewed in October 2021
Excellent work. Fence and gates look great. Removed old fence and posts. Installed 4”x 4” wood post for new fence. Fence is strong, straight, and sturdy. They were a pleasure to work with.
DC Contractors And Cleaning Services LLC
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Reviewed in July 2021
Very nice experience from start to finish. Sales rep and installers were great and would recommend services from this company.
Sears HVAC
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Top-Rated Doorbell installation pros in Edgard - Updated Nov 2026

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Doorbell Installation FAQs, 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.

Costs depend on area size, material thickness, and site preparation needs.

Upgrading insulation offers several benefits, including improved energy efficiency, which leads to lower heating and cooling costs. It also enhances indoor comfort by regulating temperature and can provide noise reduction. Additionally, better insulation has a reduced environmental impact and can increase your home's value and overall livability.

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

The best type of attic insulation depends on where you live, your budget, and what stage of construction the attic is in. For example, if you're building a house, then structural insulated panels are a worthy investment since they're easy to install during construction and they're the most energy-efficient type of insulation.

Additionally, if you live in a very warm climate, then you can potentially save quite a bit of money by opting for reflective insulation, which is more affordable than comprehensive insulation but doesn't work well for cool climates. Blown-in, loose-fill, and spray foam insulation are all great options for attics in moderate climates.

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