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 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>

Q: Is it worth it to insulate a garage?

• <div><p>Insulating a detached garage won't reduce your home's heating or cooling bills&mdash;and insulating an attached garage will only have a small effect on your home's energy efficiency. However, insulating an attached garage can reduce the transfer of heating and cooling to and from the outdoors, which can reduce the amount of energy your home needs to stay comfortable. Also, having an insulated garage is just more pleasant. Balance the cost of insulating your garage with how you'll use the space to determine if the project is worth it.</p></div>

Q: What is the most cost-effective way to insulate a garage?

• <div><p>The most affordable way to insulate a garage involves choosing cost-effective materials like fiberglass, which comes in batts or rolls and is relatively easy to install. You can often install this type of insulation without needing to add drywall, which helps reduce costs. While a DIY approach might seem cheapest, hiring a professional installer can be highly cost-effective. Experts can accurately determine your garage's specific insulation needs and ensure the best results for your investment, often using batt insulation for the bulk of the project.</p></div>

Q: What is the best type of insulation for crawl spaces?

• <div><p>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.</p></div>

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Verified Reviews for Doorbell Installation pros in Altheimer, AR

*The Angi rating for Doorbell Installation companies in Altheimer, AR 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 November 08, 2025

Reviewed in November 2025
Came and looked at a challenging project of installing a new shower kit from the floor up, and a new water heater installed. Excellent job done, and inside the amount quoted !
L&L Services LLC
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Reviewed in September 2024
Excellent, job well done in reasonable time and cleaned up afterwards.
MHC Roofing and Construction
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Reviewed in July 2023
Construction, LLC's customer service team was prompt in their responses. They were always available to assist us and provided solutions in a timely manner.
All Country Construction, LLC
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Reviewed in March 2023
The project was in a timely manner and professionally done. I was very pleased.
Latham land management
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Reviewed in October 2022
I had over my place to replace old water heater. Have got an excellent service from him.I would recommend everyone to try his service. Thumbs up ð
Leak Troopers
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Reviewed in March 2017
Brent Strout from Foundation Pro showed up on time and went to work right away assessing the floor slope. He found only a slight change in the floor slope and found what he called a soft spot in the floor where the boards were (now slightly) buckled. He then went under the house and took several...
Foundation Pro
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Reviewed in August 2013
Wow, where do I begin. Kudos to Nicholson Heating and AC. My needs requirements were met and exceeded. <br /> The company customer image is very tidy, clean-cut and professional looking. Crew, vehicles and equipment showed pride in their appearance. This company was the only company out of the...
Nicholson Heating & AC
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Reviewed in April 2013
THEY ARRIVED FROM ROYAL, AR WITH 2 VEHICLES, PLENTY OF WORKERS and SET ABOUT REMOVING THE OLD WINDOWS, MODIFYING SOME OF THE OPENINGS and INSTALLING THE VINYL DOUBLE PANED WINDOWS. THEY CHATTED AS THEY WENT and EXPLAINED WHAT THEY WERE DOING. THEY WERE OPEN TO MY INPUT and DID EVERYTHING...
Royal Windows & Siding
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Reviewed in April 2013
FROM ESTIMATE, TO THE REMOVAL & DISPOSAL OF THE OLD UNIT, TO THE INSTALLATION OF THE NEW CENTRAL HEATING & AIR UNIT & THERMOSTAT----ALL WAS PROFESSIONAL & PLEASANT. WE HAVE HAD 1 PROBLEM. ABOUT 1 YEAR AFTER INSTALL THE DRAFT INDUCTION MOTOR WENT OUT. THEY REPLACED IT WITH NO LABOR OR PARTS...
SCOTT SYSTEMS INC
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Reviewed in April 2013
I DID NOT HIRE THIS COMPANY DUE TO THE AWFUL WAY I WAS TREATED BY JOE PULLMAN'S SON, JOEY PULLMAN, THE ROOFER RESPONSIBLE FOR MY ESTIMATE and THE JOB. WITH THE EXCEPTION OF THE MISSING AGREEMENT TO INSTALL THE WHIRLYBIRDS WHEN ROOFING AT NO CHARGE, THIS COMPANY HAD THE MOST PROFESSIONAL...
Joe Pullman Construction and Roofing
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Doorbell Installation questions, answered by experts

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.

Insulating a detached garage won't reduce your home's heating or cooling bills—and insulating an attached garage will only have a small effect on your home's energy efficiency. However, insulating an attached garage can reduce the transfer of heating and cooling to and from the outdoors, which can reduce the amount of energy your home needs to stay comfortable. Also, having an insulated garage is just more pleasant. Balance the cost of insulating your garage with how you'll use the space to determine if the project is worth it.

The most affordable way to insulate a garage involves choosing cost-effective materials like fiberglass, which comes in batts or rolls and is relatively easy to install. You can often install this type of insulation without needing to add drywall, which helps reduce costs. While a DIY approach might seem cheapest, hiring a professional installer can be highly cost-effective. Experts can accurately determine your garage's specific insulation needs and ensure the best results for your investment, often using batt insulation for the bulk of the project.

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.

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.

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