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>

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Q: What is included in winterization?

• <div><p>Winterization includes blowing out water, shutting off the system, and insulating exposed components to prevent freezing.</p></div>

Q: What is the best type of insulation for my home?

• <div><p>The <a href="https://www.angi.com/articles/best-types-insulation.htm">best type of insulation for your home</a> will largely depend on your climate and the space in your home you are trying to insulate. Fiberglass, for instance, is excellent for cold climates as it has a high R-value and won&rsquo;t settle much over time; spray foam works well for humid environments as it has excellent moisture-resistant properties. </p></div>

Q: Can an existing garage door be insulated?

• <div><p>You can insulate an existing garage door. But while it&rsquo;s a cost-effective option upfront, it may not perform as well as a garage door that comes with insulation. If you live in a colder climate&mdash;or if you plan on working in your garage and need a new door&mdash;you should purchase one with existing insulation for better efficiency. </p></div>

Q: Should you remove old insulation before adding new insulation?

• <div><p>You don&rsquo;t need to <a href="https://www.angi.com/articles/should-i-remove-old-insulation-when-i-upgrade.htm">remove old insulation before adding new insulation</a>. As long as the old insulation is still in good shape&mdash;not wet, physically damaged, or moldy&mdash;then you can stack new insulation on top of old insulation to get a compounding effect. You can also mix different types of insulation, like adding blown-in insulation around existing fiberglass batt insulation or installing rigid insulation boards over rafters in your attic that already have batt insulation installed. If your existing insulation is very old or damaged, though, you&rsquo;ll likely see more benefit from removing it and replacing it instead.</p></div>

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Verified Reviews for Drywall Insulation pros in Hot Springs, MT

*The Angi rating for Drywall Insulation companies in Hot Springs, MT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Drywall Insulation needs.

*The HomeAdvisor rating for Drywall Insulation companies in Hot Springs, MT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Drywall Insulation needs.

Last update on November 27, 2025

Reviewed in May 2025
TL;DR: Craigo lost a legal suit against me and has refused to pay. I contacted Craigo on a referral that he could cut a door in the basement of our house. Though I only got him to talk on the phone once, he agreed he could do the job and then communicated primarily over text after that. He...
CRAIGO CONSTRUCTION & RMDLNG
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Reviewed in October 2020
His work was so, so. His attitude was something else. If I could have hire another drywaller that could have started the next day I would have. We paid extra for travel expense and he still complained everyday he was here about having to travel (he obviously knew where the house was when he gave...
DREW'S DRYWALL
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Reviewed in February 2014
RED LODGE GLASS WINDOW AND DOOR REPLACED AN INSULATED 68x56 PICTURE WINDOW, CRACKED BECAUSE OF PREVIOUS INCORRECT INSULATION BY ANOTHER CONTRACTOR. RED LODGE GLASS REMOVED THE OLD TOO TIGHT INSTALLED GLASS, DISPOSED OF IT OFF SITE, CORRECTED THE INSULATION, INSTALLED THE NEW GLASS AND WERE VERY...
RED LODGE GLASS
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Reviewed in September 2013
He arrived after our agreed time however called before and explained that he'd be late. This clearly demonstrates that he respects my time and me. He carefully placed drop cloths around my woodstove, then checked around the pipe for safety issues. He noted and, using some fiberglass...
Buffalo Chimney & Stove Installation
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Reviewed in December 2009
They provided clear information about our options, came down in price by the time we were ready for them to do the job. The crew they sent worked quickly, they were careful to protect our windows and doors from overspray, and the combination of insulation products they chose are now keeping us...
BioSeal, LLC
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Cabinet Peak Construction LLC

5.00(

)

•Approved Pro

Cabinet Peak Construction LLC

5.00(

)

•Approved Pro

52 local quotes requested

1 years of experience

We invite you to experience a tradition of customer satisfaction that will exceed your greatest expectations. Our professionalism and quality workmanship will accurately reflect your taste and lifestyle. From conception to completion, we work with you until the job is done. We are ethical, honest, and easy to communicate with. Call us today you'll be pleased you did. Thank you

"The tree and stump had to be removed for a new pole barn install. David worked with me to level the area needed and have gravel installed and also leveled. I would work with David again for any future projects."

Gary H on November 2025

"The tree and stump had to be removed for a new pole barn install. David worked with me to level the area needed and have gravel installed and also leveled. I would work with David again for any future projects."

Gary H on November 2025

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Drywall Repair

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Handyman for Multiple Small Project Service

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Cabinet Peak Construction LLC

Cabinet Peak Construction LLC

All work no play construction

All work no play construction

N/A

N/A

T&D drywall

T&D drywall

Elite spray foam insulators

Elite spray foam insulators

BHS

BHS

Toby Coman

Toby Coman

The Carman Company

The Carman Company

WildCat Spray Foam Insulation

WildCat Spray Foam Insulation

Bold construction

Bold construction

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