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 basement insulation need a vapor barrier?

• <div><p>Yes, basement insulation needs a vapor barrier due to its susceptibility to moisture seeping in from the outside of the house. You should install a moisture barrier before you <a href="https://www.angi.com/articles/how-to-install-insulation.htm">install insulation</a> or purchase insulation that comes prebuilt with a moisture barrier to avoid water damage in your insulation and costly mold and water remediation expenses. </p><p> </p></div>

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Verified Reviews for Doorbell Installation pros in Barnesville, OH

*The Angi rating for Doorbell Installation companies in Barnesville, OH 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 Barnesville, OH 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 November 22, 2025

Reviewed in November 2025
Tom is amazing, I called his business phone and after describing the problem I was having with the refrigerator he said, “I know what the problem is”. He came by the next day to check the refrigerator, he sat down wit my husband and I and explained what the problem was and already had the parts...
Coleman Appliances & Repair Services, LLC
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Reviewed in November 2025
They did everything I requested and were very professional installing new outlets, replacing 8 smoke detectors and installing Lutron switches for my home automation
Lightning Electric
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Reviewed in September 2025
They installed a custom countertop and smart sink. The finishing work was beyond anticipation!! Will DEFINITELY hire them again! Can’t wait to see the custom bar they are installing!!
SFC Construction
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Reviewed in March 2024
Good communicator, prompt, professional. Installed my Ring Doorbell system. Set up the Ring app. Iâ m hiring him to do a full Ring system in another one on my homes. I highly recommend Brandon.
Essential Home Maintenance
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Reviewed in March 2023
If I could give less than 1 star I would. We ordered a new refrigerator on 01/28. DIdn't get it til 02/11. It didn't work out of the box. Waited until 02/24 for a technician to show up. Didn't fix it but ordered a part. Part arrived and technician installed on 03/01. Didn't work as soon as they...
Appliances Connection
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Reviewed in February 2020
This was a unique circumstance for the extremely wet area. The house foundation (footer) was directly on top of uneven sandstone as was the majority of the floor; along with a fair amount of mud. This also led to difficulties with 'cutting' a channel to accommodate the drain and gravel, as well...
Engineered Foundation Solutions
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Reviewed in January 2020
Excellent service ! They came to my house and surveyed the job, provided an estimate, cleaned the ducts, installed the gas line and new furnace, tested the system, explained how it all works, hauled the old furnace away and then made several follow up calls making sure we were satisfied. Emory...
Emory Heating & Cooling, LLC
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Reviewed in March 2018
was over a month late ordered a 40" door but did not receive this, doors have a gap in them screen walls are great and installers were very professional but the price was over the top and no communication when factory in fla, had issues which is understandable plus weather was very coldand i...
Classic Exteriors
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Reviewed in October 2017
We are extremely satisfied with both the work done at our home (New 200 amp service panel) and the demeanor of Dan Kerber. We were so pleased that we had him return and install a ceiling fan in our bedroom and an exhaust fan in the bathroom. We also had Dan install a new service panel in our...
DK Electrical Services
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Reviewed in March 2017
Steve Vaughan built Custom wood floors for my log cabin. Oak planks made from full sized oak trees, cut into 1" slabs of varying lengths and widths, fitted together for a completely unique and old world look unlike anything that could be purchased from any big box store or standard floor...
Logwork and Design
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Doorbell Installation questions, answered by experts

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.

Yes, professionals install and upgrade insulation for all home or business areas.

If you feel your energy bills are too high or your HVAC system is working harder than necessary to maintain the correct temperature in your home, you may have an under-insulated home. If you’re unsure, consider having your system’s efficiency assessed by a local independent energy auditor.

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.

Yes, basement insulation needs a vapor barrier due to its susceptibility to moisture seeping in from the outside of the house. You should install a moisture barrier before you install insulation or purchase insulation that comes prebuilt with a moisture barrier to avoid water damage in your insulation and costly mold and water remediation expenses.

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