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>

Is bubble wrap or dish foam better?

• <div><p>Bubble wrap is better for moving since it can be cut to size, whereas dish foam comes in precut sheets that are harder to manipulate. However, if you’re packing items like dishes, wine glasses, picture frames, or mirrors, dish foam will protect them better. Ensure you measure your box beforehand so you know what size dish foam to purchase. </p></div>

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Verified Reviews for Doorbell Installation pros in Kenbridge, VA

*The Angi rating for Doorbell Installation companies in Kenbridge, VA 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 August 31, 2026

Reviewed in August 2026
I hired him to install my new driveway for my new house and him and his workers did a great job. I could not recommend them enough, 10/10 would hire again.
Tommys Sealing & Paving
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Reviewed in December 2025
Great install and customer service.
Climate Mechanical
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Reviewed in June 2025
Living in the country can be awful when there’s a power outage. Intrinsic Electrical took care of this problem for me by installing a whole house generator. Owners and staff are highly knowledgeable and skilled. Incredibly helpful in answering questions and problem solving. I wouldn’t call any...
INTRINSIC SERVICES LLC
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Reviewed in July 2024
The salesperson was very helpful and professional. The installation personnel were very timely, professional and polite. The videos and communication (emails/text messages) prior to the service was very helpful and informative. The contract and payment options were great! The amount of time it...
Stronghold Floors
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Reviewed in July 2023
I was searching for a plumber to do a variety of work including pipe replacement and new bathroom and kitchen installation. Brandon replied quickly to my request and after visiting provided a clear quoted proposal and expected timeline. His communication was excellent, he responded quickly and...
G3 Plumbing/Maintenance LLC
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Reviewed in June 2022
Kevin and Montel were great installers. Friendly, knowledgeable and patient. The job looks great. These guys come in, do the job and are gone. Neat and clean. They are what makes the company.
Mr. Fix-It
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Reviewed in May 2021
I have had to hire other contractors for different projects recently. So many have not shown up after committing, and it is stressful. This was the best experience I have had in a long time. Mr. Bauerâ s communication was outstanding all throughout the roof installation. He was a man of his...
Bauer Roofing
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Reviewed in March 2021
I had the most horrific experience with this company. I do not recommend. In the future, I will do more research before I spend thousands of dollars on a company. I have a serious Radon issue in my home. When the SWAT environmental employee into my home. They installed a fan and put down 6 mil...
SWAT Environmental of Pennsylvania
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Reviewed in January 2020
I am beyond thrilled with my new bathroom. I looked for plumbers for years to remodel my bathroom and nobody was willing to do the work, as my home is over 100 years old and the work wouldn't be easy. Rebath went above and beyond my expectations. Installers, keith and bobby were professional,...
Re-Bath of Richmond
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Reviewed in November 2017
Review by Ray W in Bon Air, VA Project:: Install Stone Slab Countertops Arrived on time. Performed the job exactly as we had discussed. Excellent Work!
Counter-vation, Inc.
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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.

Fiberglass is considered a favorite garage insulation choice due to its combination of affordability, ease of installation, and overall effectiveness. Fiberglass provides good thermal resistance, helping regulate garage temperatures and minimize heat transfer. Additionally, fiberglass is moisture-resistant, reducing the risk of mold or mildew formation.

Doubling the insulation in your home also doubles the R-value of said insulation. In other words, by adding more insulation, you can reduce the heat loss by half. Most homes benefit from increasing insulation. Older homes, in particular tend to have less insulation as is, so doubling your insulation could drastically reduce your energy bills, keep your home more comfortable, and take the strain off your HVAC system.

Bubble wrap is better for moving since it can be cut to size, whereas dish foam comes in precut sheets that are harder to manipulate. However, if you’re packing items like dishes, wine glasses, picture frames, or mirrors, dish foam will protect them better. Ensure you measure your box beforehand so you know what size dish foam to purchase.

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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