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>

What is the downside of radiant barriers?

• <div><p>The primary downside of radiant barriers is their limited effectiveness in cold climates. They are designed to reflect radiant heat, making them less beneficial in cooler conditions where heat retention is more important. </p><p>Radiant barriers require proper installation to maximize effectiveness. Incorrect placement can lead to minimal benefits. They also do not provide insulation, meaning they should be used in conjunction with traditional insulation for optimal energy efficiency. </p></div>

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Q: What is the life expectancy of wool insulation?

• <div><p>Mineral wool has an excellent life expectancy of up to 50 years, provided it's kept dry and free of pests. Compared to fiberglass, with a life span of 20 to 30 years, mineral wool stacks up well for long-term cost savings. Sheep wool maintains a similar life span to fiberglass, while estimates for hemp wool insulation life expectancies are all over the board, ranging anywhere from 20 to 100 years. </p></div>

Q: How long does it take to install a radiant barrier?

• <div><p>Professionals can install a radiant barrier in a day or two, but DIY installation will take several days. The time it takes to install a radiant barrier depends largely on the size of the space and the installation method. Larger homes can take a pro two to three days to finish the job. It&rsquo;s also quicker to lay foil over existing insulation. </p></div>

Q: How is batt, rolled, or reflective insulation professionally installed?

• <div><p>Insulation is professionally installed by measuring spaces, cutting materials to fit correctly, and placing them without gaps for optimal thermal resistance.</p></div>

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Verified Reviews for Doorbell Installation pros in Cedar Valley, UT

*The Angi rating for Doorbell Installation companies in Cedar Valley, UT 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 Cedar Valley, UT 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 19, 2025

Reviewed in September 2025
He was honest, open and had the best price.
SureFix Garage Doors
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Reviewed in April 2025
Luna was fast and informative about everything from scheduling to job details. Very professional!
Luna Seamless Rain Gutters
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Reviewed in April 2025
Jordon M. Did a phenomenal job. He was intelligent and very friendly. I would recommend again.
Bulwark Exterminating, LLC
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Reviewed in October 2024
Easiest experience ever! Parker was on time and got even more done than I thought. Price was fair.
Speed Goat Property Services
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Reviewed in June 2024
After installing a sprinkler system and grading my yard, the overall appearance and functionality of my outdoor space have significantly improved. The sprinkler system ensures that my lawn receives the proper amount of water, promoting healthy growth and reducing the need for manual watering....
Heritage Haven
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Reviewed in September 2023
excellent ~ I had a very very long list that has taken 3 days ... has always said 'yes' & proceeded to get it done! Cheerful ~ great to work with!!
KCL Custom wood and home repair
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Reviewed in July 2023
The customer service was phenomenal from the start. The company was very professional and informative. I would certainly hire them again for any future projects as well as refer any friends or family.
Wasatch Peaks Heating and Air Conditioning LLC
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Reviewed in December 2022
Both my parents passed away this year. Creative Hand & More, took over the remodel and sale of their home. All three children live out of state and we needed a company who would do the whole process...start to finish. Ben and CC are amazing. They drove an hour to the property and met with us...
Update Your Place Inc
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Reviewed in October 2022
The entire process was very smooth, from start to finish.
Black Diamond Electric Plumbing Heating & Air
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Reviewed in August 2021
Very quick to respond and get the job done
Cottonwood Constructor Cleaning Solutions
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Doorbell Installation questions, answered by experts

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.

Mineral wool has an excellent life expectancy of up to 50 years, provided it's kept dry and free of pests. Compared to fiberglass, with a life span of 20 to 30 years, mineral wool stacks up well for long-term cost savings. Sheep wool maintains a similar life span to fiberglass, while estimates for hemp wool insulation life expectancies are all over the board, ranging anywhere from 20 to 100 years.

The primary downside of radiant barriers is their limited effectiveness in cold climates. They are designed to reflect radiant heat, making them less beneficial in cooler conditions where heat retention is more important.

Radiant barriers require proper installation to maximize effectiveness. Incorrect placement can lead to minimal benefits. They also do not provide insulation, meaning they should be used in conjunction with traditional insulation for optimal energy efficiency.

Professionals can install a radiant barrier in a day or two, but DIY installation will take several days. The time it takes to install a radiant barrier depends largely on the size of the space and the installation method. Larger homes can take a pro two to three days to finish the job. It’s also quicker to lay foil over existing insulation.

Insulation is professionally installed by measuring spaces, cutting materials to fit correctly, and placing them without gaps for optimal thermal resistance.

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