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 the paper on insulation go in or out?

• <div><p>If you’re using faced insulation with paper, face the paper toward the inside of the room during the installation process. </p><p>A good way to remember this is that the paper should face the “warm side” as it’s the vapor barrier, meaning it should face toward where the heat will be coming from.</p></div>

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*The Angi rating for Doorbell Installation companies in Cherokee, NC 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 November 21, 2025

Reviewed in November 2025
Cabinets 1st project. When they arrived, the installation was nothing like what was represented by the sales staff and my mom was due for a visit in a couple of days. Alex responded to my Facebook ad really quickly. These particular cabinets required the skins put on which even if you know how...
Alex Aguillon
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Reviewed in November 2024
Tucker and his crew were professional, worked very hard and were always prompt. He did multiple projects for me involved in installation of attic flooring and access door as well as lighting.
Watterson Construction
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Reviewed in July 2024
Francisco can do it all! He maintains our lawn and has done much more - from installing a microwave and fireplace mantle to building double bunkbeds. He always answers phone calls and texts and shows up when he says he will. I would highly recommend!
Franco Landscaping, Hardscaping & Maintaining
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Reviewed in August 2023
The contractor used to install shower was great. Joyce, not so much. Their salesmen/women act like used car sales. Once they get a deposit, they don’t really care. Plans and ideas that were agreed upon are stated not existence in their proposals. Everything can of course be added for...
Bath Fitter
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Reviewed in December 2021
Kevin did a great job installing my kitchen cabinets and new sink. His pricing was fair and he worked quickly and efficiently.
Uncle Bubba's Home Repair and Remodeling
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Reviewed in August 2021
My husband and I can never say enough about Mr. Cox. He was very professional and explained in detail exactly what he had to offer when installing our blown in insulation. He came out and gave us an estimate of the costs one day, we hired him and within a week, he came out to do our insulation...
3E Insulation
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Reviewed in July 2021
Great sales and Installation crew. Back office paperwork follow through needs a little fine tuning, but overall a great experience. Highly recommended.
Renu Energy Solutions, LLC
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Reviewed in December 2020
Techs got right to work as a team, worked until project(installed drain line from water heater pan to outside home) was complete and left area as clean as when they arrived!!
Suburban Plumbing
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Reviewed in June 2020
Lovell was polite, knowledgeable, and communicated timely. He installed a hot tub, which required three visits and was there to ensure the installation was perfect.
L. Webb Electric, LLC
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Reviewed in January 2020
Gus Higdon was recommended by a local flower/plant nursery. He arrived at the appointed time, recommended a solution to our problem area and submitted a bid. He built a retaining wall, graded a flower/plant bed, installed plants and decorative stones all within the specified time limit and...
Higdon Landscaping
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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.

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

If you’re using faced insulation with paper, face the paper toward the inside of the room during the installation process.

A good way to remember this is that the paper should face the “warm side” as it’s the vapor barrier, meaning it should face toward where the heat will be coming from.

Doubling the insulation in your home also doubles the R-value of said insulation. In other words, by adding more insulation, you can reduce the heat loss by half. Most homes benefit from increasing insulation. Older homes, in particular tend to have less insulation as is, so doubling your insulation could drastically reduce your energy bills, keep your home more comfortable, and take the strain off your HVAC system.

Mineral wool wraps are the most affordable and effective insulation for crawl space ducts. They are easy to cut, last for a long time, and healthier for humans. Meanwhile, fiberglass wraps are cheaper but more hazardous and difficult to handle. If you do choose to use a fiberglass wrap, make sure you are wearing long sleeves and wear proper protective gear.

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