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>

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Q: Do I need a vapor barrier in my basement?

• <div><p>Yes, usually you will need some kind of vapor barrier on the exterior walls when the framing is attached to concrete and masonry surfaces. </p></div>

Q: What is the most affordable way to insulate behind drywall?

• <div><p>The most affordable way to insulate behind unfinished walls is to install fiberglass batts or rolls. These total around <b>$0.75 per linear foot</b>, with the width matching the gaps between standard studs perfectly. However, it&rsquo;s important to consider the R-value of your insulation and the climate in your area, as fiberglass insulation isn&rsquo;t the best in terms of preventing heat transfer. Plus, the most affordable option may cost more on electricity bills over time. The most affordable way to insulate behind finished walls is to leave them up and use blown-in insulation to avoid drywall replacement.</p></div>

Q: Will pros manage window drafts more effectively than DIY methods?

• <div><p>Yes, they address underlying issues, providing long-term seals and energy savings you might need help to achieve.</p></div>

Q: Do you have to staple insulation?

• <div><p>You don&rsquo;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&rsquo;s an unnecessary step.</p><p>If you&rsquo;re adding a vapor barrier, you will need to staple that in place.</p></div>

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Verified Reviews for Doorbell Installation pros in Big Timber, MT

*The Angi rating for Doorbell Installation companies in Big Timber, MT 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 Big Timber, MT 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 18, 2025

Reviewed in November 2025
I would highly recommend Diamond Roofing and solar. They are very professional and explained all aspects of the shingle and gutter repair/replacement. All the personnel were respectful which set my mind at ease. Before hiring them, they came out and inspected the job explaining everything and...
Diamond Roofing and Solar, LLC
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Reviewed in November 2023
Working with Anthony was a great experience. He was prompt, friendly, and very meticulous with his work. He and Tyler put on our metal roof and snow guards. There were some tricky angles, but he figured them out with no problem and it looks great. We asked him if he would also put Versetta stone...
Peace by peace
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Reviewed in May 2023
Great customer service and excellent cleaning. I've used other carpet and upholstery companies and always return. Carpets look new Took all the time necessary to clean everything perfectly. Great Job, guys!
Spartan Gutter Guards
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Reviewed in April 2023
Highly skilled, professional plumber. Treated my wife and I with the upmost dignity and respect. Tobin did a major repair of our homes boiler and heating system. System needed major repair due to damage from frozen pipes. We would highly recommend Bridger Creek Plumbing.
Bridger Creek Plumbing, LLC
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Reviewed in January 2023
They were timely, professional and they did a wonderful job.
TEK Excavating LLC
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Reviewed in June 2022
Top notch company from the first call inquiring about their service to the installation. They did everything they said they would, including the time they showed up. No surprises! The installation guys did a fantastic job! We were very comfortable with them in our home. We are so thrilled we...
Renewal by Andersen of Montana
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Reviewed in May 2021
There was no long wait to get a call back for an estimate or for them to return to complete the work.
D & D Home Repair and Landscape
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Reviewed in April 2020
Was very happy with the quality of work and professionalism. Gave the best estimate I received and came in under that even!
STENBERG CONSTRUCTION & PLBG
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Reviewed in November 2016
They didn't have sufficient follow up once the windows were installed. I had to call them in order to get my final paperwork to sent in for my city of Riverside Utilities Rebate. Never put up a sign like they said they would to let my neighbors know who did my windows.
Vinyl Window Broker, Inc.
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Doorbell Installation questions, answered by experts

Yes, usually you will need some kind of vapor barrier on the exterior walls when the framing is attached to concrete and masonry surfaces.

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.

The most affordable way to insulate behind unfinished walls is to install fiberglass batts or rolls. These total around $0.75 per linear foot, with the width matching the gaps between standard studs perfectly. However, it’s important to consider the R-value of your insulation and the climate in your area, as fiberglass insulation isn’t the best in terms of preventing heat transfer. Plus, the most affordable option may cost more on electricity bills over time. The most affordable way to insulate behind finished walls is to leave them up and use blown-in insulation to avoid drywall replacement.

Yes, they address underlying issues, providing long-term seals and energy savings you might need help to achieve.

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.

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