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>

Can I use fiberglass insulation to soundproof a room?

• <div><p>We do not recommend fiberglass insulation for soundproofing purposes, especially if you are working on a room that’s part of your living space. <a href="https://www.angi.com/articles/diy-dangers-fiberglass-insulation-hazards.htm">Fiberglass insulation is dangerous</a>, and the installation process is hazardous. It is also harmful to the environment. When there are so many newer, healthier non-fiberglass alternatives in the market, the lower cost of fiberglass insulation simply doesn’t justify the harm and danger it poses.</p></div>

Does insulating windows with plastic work?

• <div><p>Insulating windows with plastic works, but it can be time-consuming, and the end results can—and often do—end up lacking in aesthetics. Window film and <a href="https://www.angi.com/articles/how-to-caulk-windows.htm">caulking your windows</a> to make sure there are no drafts are two options that increase the energy efficiency of your home in a low-cost way. Plastic can be a good strategy while you consider alternatives.</p></div>

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Verified Reviews for Doorbell Installation pros in Van Meter, IA

*The Angi rating for Doorbell Installation companies in Van Meter, IA 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 Van Meter, IA 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 March 13, 2026

Reviewed in March 2026
Excellent customer service and garage door installation went smoothly
Hicklin Door Services
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Reviewed in December 2025
Very professional. Timely and courteous install. Would highly recommend.
Epp Foundation Repair
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Reviewed in March 2024
Bret came out and met with me first to talk about the project, my expectations and needs. We chatted for a bit and he took measurements and had a quote over to me within 24 hours. He followed back up with me after the quote to discuss if I had any concerns or changes that needed to be addressed....
Top Rail Fence Des Moines
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Reviewed in March 2024
Great price point for professional installation performed.
US Energy Savers
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Reviewed in November 2023
Very prompt. Communicates quickly. Honest and friendly. Good value. Allowed me to pick out the water heater I wanted and they installed it at a flat rate. They brought the water heater I bought down the stairs and brought the old one upstairs.
Peak Plumbing, LLC
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Reviewed in November 2023
Great recommendation as to what systems to install. He went on Amazon set up my order and all I had to do was press order.
Smart Homes Security and IT Services
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Reviewed in July 2023
Installed bathroom vanity and toilet. Dave brought all supplies needed, friendly, clean, punctual, and efficient. Everything looks and works great.
Dave the Handyman
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Reviewed in September 2022
They had to order a part and it came quickly and was installed quickly.
WireOne, LLC
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Reviewed in June 2022
Work was done in one day as promised. After completion of the installation there was two small pieces of quarter round that needed to be installed. The installer told me this was not part of the installation and I would have to take care of this.
Bath Planet of Des Moines
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Reviewed in May 2022
Most Affordable and Reliable service. Technician is on time and had gone through in detail on what he is going to install. It was a nice interactive session. I would recommend WTD to my friends
Water Treatments Des Moines
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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.

Acoustic foam, fiberglass insulation, soundproof curtains, and specialized drywall are effective in reducing noise transmission.

We do not recommend fiberglass insulation for soundproofing purposes, especially if you are working on a room that’s part of your living space. Fiberglass insulation is dangerous, and the installation process is hazardous. It is also harmful to the environment. When there are so many newer, healthier non-fiberglass alternatives in the market, the lower cost of fiberglass insulation simply doesn’t justify the harm and danger it poses.

Ductwork should be wrapped in insulation in certain locations. This includes unconditioned interior parts of the home, such as attics, crawl spaces, basement ceilings, and between floors. Duct joints should also be insulated since they're more likely to leak air than other parts of your system. Building codes in some areas also require ductwork to be insulated.

Insulating windows with plastic works, but it can be time-consuming, and the end results can—and often do—end up lacking in aesthetics. Window film and caulking your windows to make sure there are no drafts are two options that increase the energy efficiency of your home in a low-cost way. Plastic can be a good strategy while you consider alternatives.

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