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>

Is bubble wrap or dish foam better?

• <div><p>Bubble wrap is better for moving since it can be cut to size, whereas dish foam comes in precut sheets that are harder to manipulate. However, if you’re packing items like dishes, wine glasses, picture frames, or mirrors, dish foam will protect them better. Ensure you measure your box beforehand so you know what size dish foam to purchase. </p></div>

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Q: What is the life expectancy of wool insulation?

• <div><p>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. </p></div>

Q: What eco-friendly options can pros integrate into your remodel?

• <div><p>They recommend sustainable materials and water-saving fixtures, tailoring choices to balance sustainability and style.</p></div>

Q: What is the lifespan of crawl space insulation?

• <div><p>The lifespan of crawl space insulation depends on how well you maintain your insulation and the type of insulation. Fiberglass will need replacing every 15 to 20 years on average if you don't have a vapor barrier in place. If you do have vapor barriers in place, then your insulation could last much longer. Spray foam insulation can last anywhere from 80 to 100 years. </p></div>

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Verified Reviews for Doorbell Installation pros in Gayville, SD

*The Angi rating for Doorbell Installation companies in Gayville, SD 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 Gayville, SD 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 July 12, 2026

Reviewed in July 2026
Tre a good guy and his family member who came with him shortly after he left I experienced several different leaks on the unit (New Furnace/ A/C unit furnace apparently has been draining water out of it and had to tighten many areas since he installed the unit and still have air leaks in the...
Apex Aire
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Reviewed in May 2023
Tim was very nice doing our plumbing. Scott removed our tub & installed a walk in shower both guys were very nice, friendly answered our questions did a excellent job on our shower it turned out beautiful thank u all
Your Home Improvement Company, LLC
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Reviewed in April 2022
They went above and beyond for me. Picked up and installed door and notified me about handle issue and found one for my specific strength issues . They had some issues to run by me and helped me to resolve what would work and then transported to door for me so I didn't have to worry about...
TK Handyman Service
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Reviewed in October 2016
It went great from beginning to end. The salesman knew his products and didn't try to sell us anything we didn't need. I can't say enough about the crew which came out and installed the new system. We bought a Lennox system and so far everything runs great. Our gas and electricity bills have...
Kalins Indoor Comfort
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Reviewed in October 2012
I called for two appointments. They called back when they could come <br /> over (gave my wife about 15 minutes notice), which ended up being okay - <br /> maybe not ideal though. <br /> First time they told me what I needed. Second time they came in and <br /> installed what I bought. They...
A & E Plumbing
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Reviewed in September 2011
Project started 6 weeks later than what I was originally told. The original start date was why I decided to go with him over another contractor. I had to constantly watch that the work that contracted for was being done. They forgot to put in the sound barrier, some of the quality was poor and I...
Slattery Construction
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Reviewed in February 2011
This was full day project including excavation, installation of approximatly 200ft of 1-1/2" pvc water line from the water main to the house basement. Project included boring under the township road. Presure testing and installation of the water meter and valve in the basement.
Fejfar Plumbing & Heating 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.

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

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 lifespan of crawl space insulation depends on how well you maintain your insulation and the type of insulation. Fiberglass will need replacing every 15 to 20 years on average if you don't have a vapor barrier in place. If you do have vapor barriers in place, then your insulation could last much longer. Spray foam insulation can last anywhere from 80 to 100 years.

Bubble wrap is better for moving since it can be cut to size, whereas dish foam comes in precut sheets that are harder to manipulate. However, if you’re packing items like dishes, wine glasses, picture frames, or mirrors, dish foam will protect them better. Ensure you measure your box beforehand so you know what size dish foam to purchase.

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