Should I remove old attic insulation before adding new?

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

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Verified Reviews for Doorbell Installation pros in Lee, FL

*The Angi rating for Doorbell Installation companies in Lee, FL 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 Lee, FL 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 May 20, 2025

Reviewed in May 2025
Needed shower/tub replaced in both bathrooms of my mobile home. I am guessing Hunter got my information from Angi and I went with him because I needed it done and I assumed he was reputable, being on Angi list. My first mistake was hiring a cabinet maker to install bathtubs and showers, second...
Taratus Group
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Reviewed in December 2024
The job was done with complete expertise. The installer was professional and I was very pleased with the work.
Lake City Carpet Installation & Flooring
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Reviewed in October 2024
Installed an inferior product that's failed twice in 18 months. No support. No explanation. Exorbitant repair costs. Use another company.
Shatto Heating & Air, Inc.
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Reviewed in September 2024
Arrived on time. Did an excellent job replacing and installing a glass Patio door. They also removed and replaced drywall. I would highly recommend, and will definitely call again.
A & R Real Handyman LLC
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Reviewed in September 2024
These folks are the best. They did our installation the next day. Everything went smoothly and quality of product and labor was great.
American Water Systems of South Georgia
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Reviewed in March 2024
He set up an appointment to diagnose dryer. He ordered the part and when it arrived set up a second appointment and installed. Dryer works great fast turnaround time! Happy!
N & J APPLIANCE REPAIR LLC
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Reviewed in October 2023
He does any kind of appliances, cut trees install a window unit a/c put in new faucets keeps our easy go fully running he does all kind of work.
Paynes Appliance Repair & More, LLC
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Reviewed in June 2023
Terrible. In June of 2022 They installed a new metal roof on my home without providing for crawlspace/attic venting. I found the issue as I prepared to replace the ceiling. If I would have not found the issue, the ENTIRE roof and ceiling would have been ruined due to condensation and inevitable...
Affordable Roofing CFI
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Reviewed in June 2021
I hired Mike and John to install a kitchen backsplash, peel and stick flooring, and painted my kitchen. They completed the 2nd phase of my kitchen renovation. Another contractor refinished the countertops, installed sink and countertop. Everything looks great. I’m very happy with the final...
American Service Company
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Reviewed in March 2020
We were impressed with the professional, friendly and knowledgeable service at the Tallahassee location. Had an installer on one property who installed a house full of carpet. Did an excellent job. Looked around quite a bit at other stores before choosing this one. Also , very happy with the...
Georgia Floors Direct
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Doorbell Installation questions, answered by experts

Insulating windows without plastic is usually the better method. Outside of simply replacing your windows, you could buy cellular shades, which trap air between the window and the home, add a window film that blocks UV rays and traps heat, or cover your windows with a low-emissivity coating called “low-E.”

Yes, usually you will need some kind of vapor barrier on the exterior walls when the framing is attached to concrete and masonry surfaces.

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.

While fiberglass is dangerous to work with, it’s a perfectly safe material once it’s installed. If you’re tackling the installation yourself, make sure you take the proper safety precautions and wear the right gear to avoid skin and eye irritation and lung complications. Working with a professional insulation company can mitigate these risks.

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