How do I add insulation to existing walls?

• <div><p>If you need to insulate behind finished walls, the best option will likely be to have an insulation professional install <a href="https://www.angi.com/articles/blown-in-insulation.htm">blown-in insulation</a>. The installation requires small holes cut in your wall, after which the installer can blow loose-fill insulation into the void. After the installation, you’ll have minor drywall patching, which shouldn’t cost more than <b>$100</b>. Compared to ripping down the existing drywall, using a different type of insulation, and replacing and finishing the drywall, this should save you hundreds or even thousands, depending on the size of the room you’re insulating.</p></div>

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Q: Can you install a radiant barrier under insulation?

• <div><p>It&rsquo;s best not to install a radiant barrier directly under insulation because it requires an air gap on at least one side to work properly. Instead, you should install the radiant barrier over your existing insulation to create an air space to reflect the radiant heat. </p></div>

Q: Should you put plastic over insulation in basement walls?

• <div><p>A plastic vapor barrier should completely cover your basement to prevent water from penetrating through the walls. This typically goes before installing insulation to prevent moisture from building up and becoming trapped on the inside of your insulation, where it can collect and lead to mold damage. Installing insulation after the vapor barrier allows for any moisture to exit the walls for better ventilation.</p></div>

Q: What's the difference between fiberglass insulation and foam board?

• <div><p>When it comes to <a href="https://www.angi.com/articles/fiberglass-insulation-vs-foam-board.htm">fiberglass insulation versus foam board</a>, there are a few notable differences, both aesthetically and functionally. Fiberglass insulation is soft and flexible, meaning it can be squeezed into tight spaces more easily than foam board. Fiberglass insulation also has a higher R-value, making it a better pick for colder climates. However, foam board insulation can resist moisture and pest damage much better than fiberglass. </p></div>

Q: Does an attic floor need a vapor barrier?

• <div><p>Vapor barriers in attics are a bit outdated and most areas no longer recommend them for attic spaces. For vented attics, the best method is usually to install drywall and cover it with latex paint before attaching insulation fiberglass, cellulose, or foam insulation. When renovating an attic to use as a living space, a contractor can guide you on the best way to cover insulation.</p></div>

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Verified Reviews for Doorbell Installation pros in Atlantic, VA

*The Angi rating for Doorbell Installation companies in Atlantic, VA 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 Atlantic, VA 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 11, 2025

Reviewed in September 2025
I had Upgrade Remodeling replace flooring in my living room, dining room, bedroom, hallways and stairs. Everyone was professional and caring. From the initial consultation to the installation all were professional and patient. I was late meeting both the consultant and the installers, but they...
Upgrade Remodeling LLC
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Reviewed in August 2025
Master plumber Mike Shaw rebuilt the tank of my vintage American Standard [Bayberry color] Elongated Cadet Toilet [Model 4049]. The tank was cleaned of built-up debris. All components were replaced with the latest and efficiently working parts available. The unit was restored to operational...
LMS Plumbing and Gas, LLC
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Reviewed in August 2025
Ismar and his team arrived on time, were polite, and treated our home with the utmost respect. Our bathroom exhaust fan was installed with great professionalism, and the cost was very reasonable. We are absolutely thrilled with the result. We will certainly turn to them for future remodeling...
Ismar Remodeling
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Reviewed in December 2024
If you're looking for an electrical crew that can spark joy and amp up your home’s safety, these are the guys to call! We had a multi-day job involving rewiring, new breakers, and fixture installations, and Deshawn, Juan, Jacob, Travis, and Chris current-ly exceeded every expectation. From the...
Expert Wire, Inc.
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Reviewed in March 2024
Top rate experience from Dylan Bryan my design consultant to the two guys who installed my new door
West Shore Home Salisbury
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Reviewed in November 2022
Very prompt with the quote. Technicians were friendly and very informative and professional during installation. Will use again if necessary
Hague Quality Water of Maryland, Inc.
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Reviewed in September 2022
Easdy to work with - will let you provide the materials for installation.
Benjamin Franklin The Punctual Plumber
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Reviewed in January 2022
Came promptly, identified the cause of the leak and replaced the faucet. Worked efficiently and cleaned up at the end. Very helpful about type of faucet to install.
Pipeworks Plumbing, Heating, and Air
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Reviewed in September 2021
Overall great job. Removed the wallpaper, repaired older drywall and painted. Removed ceiling tiles , leveled ceiling and installed dry wall. Finished it off and painted. Looks great. Highly recommend
Pro Paint Group
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Reviewed in June 2021
Came out fast professionally installed friendly would recommend to anyone
CLS Home Services, LLC
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Doorbell Installation questions, answered by experts

It’s best not to install a radiant barrier directly under insulation because it requires an air gap on at least one side to work properly. Instead, you should install the radiant barrier over your existing insulation to create an air space to reflect the radiant heat.

A plastic vapor barrier should completely cover your basement to prevent water from penetrating through the walls. This typically goes before installing insulation to prevent moisture from building up and becoming trapped on the inside of your insulation, where it can collect and lead to mold damage. Installing insulation after the vapor barrier allows for any moisture to exit the walls for better ventilation.

When it comes to fiberglass insulation versus foam board, there are a few notable differences, both aesthetically and functionally. Fiberglass insulation is soft and flexible, meaning it can be squeezed into tight spaces more easily than foam board. Fiberglass insulation also has a higher R-value, making it a better pick for colder climates. However, foam board insulation can resist moisture and pest damage much better than fiberglass.

If you need to insulate behind finished walls, the best option will likely be to have an insulation professional install blown-in insulation. The installation requires small holes cut in your wall, after which the installer can blow loose-fill insulation into the void. After the installation, you’ll have minor drywall patching, which shouldn’t cost more than $100. Compared to ripping down the existing drywall, using a different type of insulation, and replacing and finishing the drywall, this should save you hundreds or even thousands, depending on the size of the room you’re insulating.

Vapor barriers in attics are a bit outdated and most areas no longer recommend them for attic spaces. For vented attics, the best method is usually to install drywall and cover it with latex paint before attaching insulation fiberglass, cellulose, or foam insulation. When renovating an attic to use as a living space, a contractor can guide you on the best way to cover insulation.

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