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 bathroom insulation need a vapor barrier?

• <div><p>Yes. Bathroom insulation requires a vapor barrier. As a matter of fact, bathrooms and kitchens are the two areas of the home that should always get a vapor barrier because of the excess moisture. If you don’t have a vapor barrier in place in these rooms, the moisture will build up and eventually lead to mold and bacteria, not to mention the destruction of the insulation.</p></div>

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Q: How do you insulate windows without plastic?

• <div><p>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 &ldquo;low-E.&rdquo;</p></div>

Q: What are the disadvantages of wool insulation?

• <div><p>Each of the three types of wool insulation has particular disadvantages. While their R-value is higher, they all cost more than fiberglass versions. Installing mineral wool and sheep wool requires protective gear. Because of its vulnerability to insects, chemicals are used in its production. Hemp wool is more costly to install than other types because additional tools and labor are involved. </p></div>

Q: How long does it typically take to install attic insulation?

• <div><p>It is generally completed in a day, depending on the attic size and access difficulty.</p></div>

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Verified Reviews for Doorbell Installation pros in Craig, MO

*The Angi rating for Doorbell Installation companies in Craig, MO 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 December 18, 2025

Reviewed in December 2025
We contacted Doerr Enterprises this last fall to trim our tree in our front yard that was looking a little sad. He was very prompt to get to the job, get it done and cleaned up! We have also hired him for the first snow we got so far this year and he cleaned our drive in no time! Would highly...
Doerr Enterprises, LLC.
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Reviewed in June 2025
We found Farm and Home at the KC Home show. We needed siding and windows. John came out and gave us a quote for both. We had interviewed 3 other companies and found they didn't know as much or were mush higher priced. John had extensive knowledge and answered all our questions. They installed...
Farm and Home Builders Inc
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Reviewed in July 2024
Charles, Justin and Spencer were great to work with. They took great care to wrap and protect furniture and belongings and moved them from my house to a storage unit. I would highly recommend this company!
All My Sons Moving & Storage
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Reviewed in September 2023
Fast and no noise installation
LeafGuard
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Reviewed in August 2023
Excellent at communicating. We know when he plans to mow. We also hired him for spring clean up. He does a great job. I would highly recommend Mikeâ s Lawn Service.
Milke's Lawn Care Service
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Reviewed in April 2022
He also helped me build and fill four 4 x 10 raised beds. He also helped us grade and shape up our driveway. He did a really good job. Very pleased.
WBN Lawn Care, LLC
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Reviewed in April 2022
fast and professional but a little pricey
LeafFilter Gutter Protection
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Reviewed in October 2017
The company was very responsive with the quote but the work was not. We were told that there was a two to three week wait for install which was fine, 4 weeks later we call back to see when they would install, two weeks later they were installed, total of six weeks so frustrating. On top of that...
Wallis Guttering Company LLC
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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 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. Bathroom insulation requires a vapor barrier. As a matter of fact, bathrooms and kitchens are the two areas of the home that should always get a vapor barrier because of the excess moisture. If you don’t have a vapor barrier in place in these rooms, the moisture will build up and eventually lead to mold and bacteria, not to mention the destruction of the insulation.

Each of the three types of wool insulation has particular disadvantages. While their R-value is higher, they all cost more than fiberglass versions. Installing mineral wool and sheep wool requires protective gear. Because of its vulnerability to insects, chemicals are used in its production. Hemp wool is more costly to install than other types because additional tools and labor are involved.

It is generally completed in a day, depending on the attic size and access difficulty.

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