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>

Is a radiant barrier better than insulation?

• <div><p>Radiant barriers and insulation serve different purposes, so one is not inherently better than the other. Radiant barriers reflect radiant heat, helping keep spaces cool, especially in hot climates, while insulation slows heat transfer through conduction. For optimal energy efficiency, it’s best to use both together. </p><p>Radiant barriers can enhance the performance of insulation by preventing heat gain in the summer and heat loss in the winter. The choice between them depends on specific climate conditions and the building’s design requirements.</p></div>

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Verified Reviews for Doorbell Installation pros in Glasgow Village, MO

*The Angi rating for Doorbell Installation companies in Glasgow Village, 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 January 11, 2026

Reviewed in January 2026
Austin Fish and Coe were both great to work with. This was our first time ever having windows installed and they made the process easy. There were only a few minor issues but they both jumped in quickly to make sure everything was resolved. Over all we are happy with our new windows.
Four Seasons Home Products
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Reviewed in June 2025
I asked the guys to install an egress wi dow in a basement bedroom. They did exactly as I asked and worked efficiently. They showed up when they said they would and communication was great from estimate to finish! (Drop down option says kitchen remodel for work done only because window...
Enyeart Construction
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Reviewed in November 2023
We recently found out that our tankless heater was installed improperly. When we called to ask about it he tried to turn it around on us and argued that the manufacturers requirements were not his even though when you look online there are multiple sources that say you must follow certain...
D's Service Co
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Reviewed in January 2023
He did a good job with putting on a storm door. All of the parts were there, he was very professional and even added a 2x4 to my threshold to make sure it completely fit.
Adam's Handyman Services
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Reviewed in August 2022
Trenton was very professional, made sure we were happy with the job, and communicated very well. Will definitely hire him for future projects!
Straight Edge FLAT Work
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Reviewed in January 2022
Donnie is always on-time and prepared for any task I might discover. He installed the door and it looks and works great. In addition, he did some minor work in the laundry room and installed handicap accessories in the bathroom. Fair wages for excellent work. I would highly recommend his...
Hilltop Home Repairs
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Reviewed in June 2021
After calling Zach Bahner, Certified Inspector for Foundation Recovery Systems to come for an inspection, he came to our home to inspect an area of concern that needed attention. He was very professional, knowledgeable, and thorough in his inspection and explained to us about the company and...
Foundation Recovery Systems
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Reviewed in October 2020
Very professional. Removed old siding and installed new insulated siding. Helps to improve efficiency and reduce electrical costs. Extremely happy.
Continental Siding Supply, Inc.
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Reviewed in January 2016
The windows are great and the installers did a great job. The clean up was excellent and we are very satisfied. It definitely made a difference in the energy efficiency and made the house look much better and increased the value of the home! <br />
Continental Siding Supply
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Reviewed in January 2016
The windows are great and the installers did a great job. The clean up was excellent and we are very satisfied. It definitely made a difference in the energy efficiency and made the house look much better and increased the value of the home!
Continental Siding Supply, Inc.
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Doorbell Installation questions, answered by experts

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.

Several types of insulation are effective for crawl spaces, with spray foam and rigid foam boards being two of the best options. Closed-cell spray foam insulation is a strong choice because it effectively repels moisture, resists biological growth, seals the air, and provides excellent thermal protection, especially in hard-to-reach areas. Rigid foam insulation boards are another excellent material as they insulate well, resist water damage, and will not settle over time like fiberglass or cellulose.

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.

Radiant barriers and insulation serve different purposes, so one is not inherently better than the other. Radiant barriers reflect radiant heat, helping keep spaces cool, especially in hot climates, while insulation slows heat transfer through conduction. For optimal energy efficiency, it’s best to use both together.

Radiant barriers can enhance the performance of insulation by preventing heat gain in the summer and heat loss in the winter. The choice between them depends on specific climate conditions and the building’s design requirements.

Depending on the item, several different materials are beneficial for long-term storage. Bubble wrap and plastic wrap help ensure delicate ceramics or furniture are safe and secure. High-quality moving boxes made of durable materials like plastic also help ensure the longevity of your storage, as cardboard will degrade faster over time.

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