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 bathroom insulation need a vapor barrier?

• <div><p>Yes. Bathroom insulation requires a vapor barrier. As a matter of fact, bathrooms and kitchens are the two areas of the home that should always get a vapor barrier because of the excess moisture. If you don’t have a vapor barrier in place in these rooms, the moisture will build up and eventually lead to mold and bacteria, not to mention the destruction of the insulation.</p></div>

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Verified Reviews for Doorbell Installation pros in Sumter, SC

*The Angi rating for Doorbell Installation companies in Sumter, SC 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 Sumter, SC 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 January 17, 2026

Reviewed in January 2026
This was my second time using this company for a fence install and they did not disappoint. From the quote all the way through the fence install, they were very prompt, professional, and done an excellent job.
Fenceworks of Middle Tennessee, LLC
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Reviewed in December 2025
Great work installing the Tesla charger.
Morris Electric
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Reviewed in February 2025
Stephen and his crew did an outstanding job installing a custom five foot chain link fence. The job was done on the date promised, and the fence looks fantastic. I would highly recommend this company.
The Fence Company
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Reviewed in January 2024
Del F. And Jason S. Did a good job on the preinstall will update review after installation is complete.
West Shore Home Columbia
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Reviewed in December 2023
The crew of 3 arrived as scheduled and did a fantastic job installing my gorgeous new flooring. They worked quickly, efficiently and cleaned up the work areas when they were done. I will definitely hire them for future projects.
Empire Today - Columbia
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Reviewed in April 2023
The most professional flooring installers. I hired to complete flooring install after having to terminate two other flooring installers. I'm more than pleased with the quality of the work and plan to use them for future projects.
Phane Flooring and Construction
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Reviewed in November 2021
Excellent! Highly recommended. Easy to communicate with and Zone 1 was on time and finished the install on schedule! Any question we have had since the install has been answered promptly!
Zone1 Sprinkler Repair & Installation
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Reviewed in June 2021
Their name says it all. They were the only company that was willing to give me a basic quote over the phone so I had some idea of pricing. The other two companies I received bids from were much higher-priced for the same service, and tried to upsell products and repairs I didn't need. Always...
Always Fair Heating and Air
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Reviewed in April 2021
The two installers were outstanding. They were very professional. I am extremely satisfied.
LeafFilter Gutter Protection
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Reviewed in March 2021
I had them install 2 new garage doors about 2 years ago. I had damaged one of the tracks the other month, and had a old garage door opener give up the ghost. I called Lee in the AM, and was able to get a tech scheduled to come out in the afternoon on the same day! Tony was tech the tech, and...
24 Hr Garage Door Service, 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.

Depending on the item, several different materials are beneficial for long-term storage. Bubble wrap and plastic wrap help ensure delicate ceramics or furniture are safe and secure. High-quality moving boxes made of durable materials like plastic also help ensure the longevity of your storage, as cardboard will degrade faster over time.

Yes. Bathroom insulation requires a vapor barrier. As a matter of fact, bathrooms and kitchens are the two areas of the home that should always get a vapor barrier because of the excess moisture. If you don’t have a vapor barrier in place in these rooms, the moisture will build up and eventually lead to mold and bacteria, not to mention the destruction of the insulation.

They recommend sustainable materials and water-saving fixtures, tailoring choices to balance sustainability and style.

A radiant barrier is a form of insulation topped with a reflective material designed to keep homes cool during hotter months. It is generally considered worth the investment if you live in a hot, sunny climate, as the cost can be recouped over time through lower energy bills. Installation costs typically range from $0.10 to $1 per square foot. After installation, homeowners in warm climates may save between $7 and $15 per month, potentially reducing their electric bill by 5% to 10%. The exact savings will vary depending on your location and the type of barrier chosen.

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