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 install a radiant barrier myself?

• <div><p>It is possible to install a radiant barrier yourself. However, knowing <a href="https://www.angi.com/articles/how-install-radiant-barrier.htm">how to install a radiant barrier</a> and actually doing it are two totally different things. For example, it’s important that they be installed in a straight line but at an angle that creates a gap between the roof panels and the foil or spray. If this gap is too large or small, it won’t function as it should, and that may be hard to avoid if you’re only a novice. When in doubt, leave this job to a pro.</p></div>

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Verified Reviews for Doorbell Installation pros in Westerlo, NY

*The Angi rating for Doorbell Installation companies in Westerlo, NY 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 Westerlo, NY 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 May 20, 2026

Reviewed in May 2026
We used them for a variety of jobs in residential home. Installed new chandelier and foyer lights, change light switches and installed Ring doorbell. Chief is my go to for all my electrical needs. All jobs done right the first time.
CHIEF ELECTRIC LLC
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Reviewed in April 2025
Christian was very prompt in answering any questions I had and he and his crew did a great job in removing my damaged old fence and installing a new vinyl fence. I would highly recommend
The Grecco Group LLC
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Reviewed in January 2024
It was pleasure working with Grant Boys construction. They installed drywall, flooring, door installation, and other small jobs. The price was fair and the services were good.
Grant Boys Construction Inc.
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Reviewed in January 2023
Ed and his team helped us find and installed some great external doors, plus they did an extensive siding repair and some replacement. They took care of everything and stayed with it till it was just right. Looks great and makes me happy every time I drive up!
Exterior Coverings
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Reviewed in September 2022
Steve did a great job install three toilets; great communication prior to project about pricing and products, and installation proceeded on time and to standard.
Beagles Building Maintenance
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Reviewed in July 2022
The installer was awesome - Shannon thank you
Remodel USA Waynesboro Windows
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Reviewed in May 2022
I would highly recommend Charlie to anybody that needs garage door work service or a install Fast response come right out looked at my door ordered the parts came to my house on a Saturday and got the job done canâ t be more happier
Albany Saratoga Doors
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Reviewed in May 2022
Work was done when promised and professional The install was done in a couple of ours and I highly recommend them
Benchmark Property Maintenance
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Reviewed in March 2022
prompt service Professional Excellent job And upstanding installation crew And a very reasonable price.
Dan Dan The Gutterman
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Reviewed in November 2021
Zeni was efficient, professional, and reasonably priced. He did an awesome job building up our door frame and installing our custom awning. We will definitely be calling him again. Highly recommend!!!
Z-Line Handyman Services
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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.

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.

They recommend sustainable materials and water-saving fixtures, tailoring choices to balance sustainability and style.

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

It is possible to install a radiant barrier yourself. However, knowing how to install a radiant barrier and actually doing it are two totally different things. For example, it’s important that they be installed in a straight line but at an angle that creates a gap between the roof panels and the foil or spray. If this gap is too large or small, it won’t function as it should, and that may be hard to avoid if you’re only a novice. When in doubt, leave this job to a pro.

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