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>

How do I add insulation to existing walls?

• <div><p>If you need to insulate behind finished walls, the best option will likely be to have an insulation professional install <a href="https://www.angi.com/articles/blown-in-insulation.htm">blown-in insulation</a>. The installation requires small holes cut in your wall, after which the installer can blow loose-fill insulation into the void. After the installation, you’ll have minor drywall patching, which shouldn’t cost more than <b>$100</b>. Compared to ripping down the existing drywall, using a different type of insulation, and replacing and finishing the drywall, this should save you hundreds or even thousands, depending on the size of the room you’re insulating.</p></div>

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Last update on November 03, 2025

Reviewed in November 2025
if your reading the reviews to see if you want to hire this company I suggest that you go ahead and give them a call . Cortez is the owner/operator of his company and he?s very knowledgeable at what he does ! I had an indoor unit replaced , he came all the way from Tulsa to pull the unit so I...
Tulsa Comfort Systems
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Reviewed in October 2025
We had vinyl siding installed. The installation was completed as expected. Very professional installer who was a perfectionist. We were extremely happy with the M.Rhodes Company, LLC from OKC. Highly recommend.
M. Rhodes Company LLC
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Reviewed in April 2024
I am very pleased with the mantel he installed over my fireplace. It looks awesome
Osburn Consulting Contractor
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Reviewed in June 2022
I highly recommend Cortez and I would give home 5+ stars if I could. We had to replace our old system of 25+ years and he was able to give us several options at great prices. The level service and installation was even better, by far one of the most quality and professional installs I have ever...
Mountain View Heating & Air
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Reviewed in February 2021
Our new construction drywall looks great. Everything was installed as discussed. He arrived each day at 8am sharp and cleaned up at the end of each day until the job was complete. He went beyond expectations with a couple of tricky spots and we are very pleased with the results. I would...
Williams Construction & Drywall
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Reviewed in January 2021
OkStairs installed a new wood railing for us, they did a beautiful job to exactly what we wanted, easy to work with, and always on time with our schedule. Highly recommended!!!! Thanks Ok Stairs
Oklahoma Stair Supply, LLC
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Reviewed in October 2020
From the time they came to give us our estimate they were extremely helpful even with financing they walked us through the process and made everything easy. The guys doing the installation were very helpful and awesome. We get compliments on our home all the time.
Continental Siding Supply
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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.

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.

If you need to insulate behind finished walls, the best option will likely be to have an insulation professional install blown-in insulation. The installation requires small holes cut in your wall, after which the installer can blow loose-fill insulation into the void. After the installation, you’ll have minor drywall patching, which shouldn’t cost more than $100. Compared to ripping down the existing drywall, using a different type of insulation, and replacing and finishing the drywall, this should save you hundreds or even thousands, depending on the size of the room you’re insulating.

Fiberglass is considered a favorite garage insulation choice due to its combination of affordability, ease of installation, and overall effectiveness. Fiberglass provides good thermal resistance, helping regulate garage temperatures and minimize heat transfer. Additionally, fiberglass is moisture-resistant, reducing the risk of mold or mildew formation.

Minimal maintenance is required, though regular inspections to ensure insulation hasn't shifted or deteriorated can improve performance over time.

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