Should you remove old insulation before adding new insulation?

• <div><p>You do not always need to remove old insulation before adding new. If the existing insulation is in good condition—not wet, physically damaged, moldy, or infested with pests—you can add new insulation directly on top of it for a compounding effect. You can also mix different types, such as adding blown-in insulation around existing fiberglass batts.</p><p>However, removal is recommended if the old insulation is compromised by water damage or pests. You should also remove it if you plan to install a different type of insulation, like switching from roll or batt insulation to spray foam. If the existing insulation is very old or damaged, you will likely get more benefit from removing it and starting fresh.</p></div>

Does insulating windows with plastic work?

• <div><p>Insulating windows with plastic works, but it can be time-consuming, and the end results can—and often do—end up lacking in aesthetics. Window film and <a href="https://www.angi.com/articles/how-to-caulk-windows.htm">caulking your windows</a> to make sure there are no drafts are two options that increase the energy efficiency of your home in a low-cost way. Plastic can be a good strategy while you consider alternatives.</p></div>

How do I choose the right type of insulation?

• <div><p>Your home's location, budget, and the type of insulation you’re using are just a few of the factors that can help you <a href="https://www.angi.com/articles/r-you-using-right-type-home-insulation.htm">choose the right insulation</a>. For example, blown-in insulation is typically used in attic spaces, while batts and rolls are ideal for floors and walls. Blown-in insulation is usually a good option if you're adding more insulation to an area that already has some, but not enough.</p></div>

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*The Angi rating for Doorbell Installation companies in Florence, MS 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 October 10, 2025

Reviewed in October 2025
Provided great customer service. Cleaned up after the installation.
TJ's Appliance Repair
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Reviewed in January 2025
Thet done a great job, in removing the old patio do of e and installed a new door. Helped negotiate with the store to get a lower price for the new door.
Browns handyman services
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Reviewed in December 2024
He was super nice and installed a new thermostat for me and did a great job. He checked everything and made sure all was working before he left!!! Rest assured, I will call him again for anything that represents electrical. Thank you, Phyllis U. in Pearl, MS.
The Blue Line Electrical Company
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Reviewed in September 2024
Very quick and very efficient work. Was able to install a new video doorbell in under an hour.
B. Johnson Electric LLC
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Reviewed in April 2024
Very professional: answered call quickly: installed patio door: painted shutters and doors: unclogged drain. Reasonable priced. No mess left behind. I was very pleased with his work and scheduling, he was on time and on the job when he said. I will use him again for next home repair project.
Harris Creek Home Repairs
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Reviewed in August 2023
Excellent installation. Michael was great!
Green Leaf Insulation LLC
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Reviewed in February 2023
Lem has helped us out a couple of times. Super quick to respond, and quality and price of work is great. Needed a new door installed, he came out Friday and had it installed before 1pm Monday. Top notch service. Highly recommend.
Open Doors Garage Door Services
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Reviewed in July 2022
Good experience, professional installation. Friendly personnel.
The Door Man
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Reviewed in July 2021
The installation and employees were courteous and professional.
Hammock's AC, Inc.
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Reviewed in May 2021
Very prompt and professional, very knowledgeable and installed my cook top in almost no time and was price friendly.
The Appliance Whisperer
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Doorbell Installation questions, answered by experts

You do not always need to remove old insulation before adding new. If the existing insulation is in good condition—not wet, physically damaged, moldy, or infested with pests—you can add new insulation directly on top of it for a compounding effect. You can also mix different types, such as adding blown-in insulation around existing fiberglass batts.

However, removal is recommended if the old insulation is compromised by water damage or pests. You should also remove it if you plan to install a different type of insulation, like switching from roll or batt insulation to spray foam. If the existing insulation is very old or damaged, you will likely get more benefit from removing it and starting fresh.

Insulating windows with plastic works, but it can be time-consuming, and the end results can—and often do—end up lacking in aesthetics. Window film and caulking your windows to make sure there are no drafts are two options that increase the energy efficiency of your home in a low-cost way. Plastic can be a good strategy while you consider alternatives.

You don’t need to staple insulation, as your drywall and studs will hold it into place. But if you already have a staple gun and staples lying around, it can help keep the product in place and avoid any shifting. But, most experts agree it’s an unnecessary step.

If you’re adding a vapor barrier, you will need to staple that in place.

Your home's location, budget, and the type of insulation you’re using are just a few of the factors that can help you choose the right insulation. For example, blown-in insulation is typically used in attic spaces, while batts and rolls are ideal for floors and walls. Blown-in insulation is usually a good option if you're adding more insulation to an area that already has some, but not enough.

Ensures uniform application and maximizes insulation effectiveness and energy savings.

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