Should wall insulation be faced or unfaced?

• <div><p>Unfaced wall insulation is easier to cut and install, making it the better choice for a DIY project. It’s also more affordable. But if it’s unfaced, you’ll likely need to add a vapor barrier to reach your desired R-value and efficiency, as it doesn’t offer any moisture barrier.</p><p>Faced insulation uses paper or foil to create a built-in barrier and doesn’t require an extra step. It’s also more fire-resistant and safe. But it’s quite a bit more expensive and a little bit harder to work with as a DIYer.</p></div>

Should you remove old insulation before adding new insulation?

• <div><p>You do not always need to remove old insulation before adding new. If the existing insulation is in good condition—not wet, physically damaged, moldy, or infested with pests—you can add new insulation directly on top of it for a compounding effect. You can also mix different types, such as adding blown-in insulation around existing fiberglass batts.</p><p>However, removal is recommended if the old insulation is compromised by water damage or pests. You should also remove it if you plan to install a different type of insulation, like switching from roll or batt insulation to spray foam. If the existing insulation is very old or damaged, you will likely get more benefit from removing it and starting fresh.</p></div>

Does ductwork need to be insulated?

• <div><p>Insulating your ducts offers several benefits, including:</p><ul><li><p>Improved energy efficiency: Duct insulation prevents energy losses, reducing heating and cooling costs.</p></li><li><p>Cost savings: Lower energy bills make insulation a cost-effective investment.</p></li><li><p>Environmental benefits: Enhanced efficiency reduces your carbon footprint.</p></li><li><p>Consistent comfort: Insulated ducts help maintain a stable indoor temperature.</p></li><li><p>Better indoor air quality: Reduced allergens and pollutants improve air quality.</p></li></ul><p></p></div>

How do I choose the right type of insulation?

• <div><p>Your home's location, budget, and the type of insulation you’re using are just a few of the factors that can help you <a href="https://www.angi.com/articles/r-you-using-right-type-home-insulation.htm">choose the right insulation</a>. For example, blown-in insulation is typically used in attic spaces, while batts and rolls are ideal for floors and walls. Blown-in insulation is usually a good option if you're adding more insulation to an area that already has some, but not enough.</p></div>

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Last update on May 13, 2025

Reviewed in May 2025
Chase was great! Excellent communication in providing a quote and leading up to the installation. Arrived early and was well prepared. Installed our ceiling fan quickly and safely. Took extra care to work in a tidy, efficient manner - even wiped the finger prints from the blades and ceiling. He...
RDK Handyman Services and Repair
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Reviewed in April 2025
I hired Ryan from Hotleg Electric to upgrade an electrical panel. While we had him there we also decided have him install some can lights and move a few switches around. The work in the panel was perfect. Everything was labeled clearly, and all the wiring was impressively neat. He cleaned up...
Hot Leg Electric
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Reviewed in January 2024
Jeff did a great job repairing my door frame and installing the new exterior door.
Cottage Industries Handyman Services
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Reviewed in January 2024
Will and his team installed 2400 feet of pipe and barbed wire fence and two gates for us. We had good communications with Will throughout the project and the results were excellent. Will use Will again for some fencing around the house.
RBS Welding and Fab LLC
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Reviewed in October 2023
Very well, excellent installer. Completed in a timely manner.
Hamon Overhead Door Co
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Reviewed in September 2023
Great customer service from design consultation to delivery and install. Thomas was very responsive to my questions and timely in construction and delivery of the queen wall bed unit. Very pleased with the result!
Murphy Wall Beds Unlimited
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Reviewed in July 2023
This was an installation of an EV circuit and a Tesla Wall Connector for non-Tesla vehicles. Markus was outstanding! He was competitively priced, on time, extremely responsive by email, text, or cell, and did a perfect installation! I will definitely use him again!
Link Electrix
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Reviewed in January 2023
Joe is on time, polite, and his work is precise and he cleans up after himself. I had him change all of my door casings and install new baseboard in my Master suite. I am very pleased with the outcome.
Redneck Rubbish Removal
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Reviewed in September 2021
Took some time to get delivery but when they did get delivered I was given ample notice to prepare the area, clear communication on when the installers would give notification of arrival. Installers obviously have significant experience and expertise and the project was completed expeditiously.
Renewal by Andersen of Oregon & SW Washington
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Reviewed in August 2021
Did the work as requested. Responded to all of my questions and concerns. His two assistants / employees/hired help did most of the labor. Did not put a cap on the old electrical mast on the house, which would allow rain to enter the wall of the house. The replacement box did not completely...
Zumwalt Electric
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Doorbell Installation questions, answered by experts

Unfaced wall insulation is easier to cut and install, making it the better choice for a DIY project. It’s also more affordable. But if it’s unfaced, you’ll likely need to add a vapor barrier to reach your desired R-value and efficiency, as it doesn’t offer any moisture barrier.

Faced insulation uses paper or foil to create a built-in barrier and doesn’t require an extra step. It’s also more fire-resistant and safe. But it’s quite a bit more expensive and a little bit harder to work with as a DIYer.

You do not always need to remove old insulation before adding new. If the existing insulation is in good condition—not wet, physically damaged, moldy, or infested with pests—you can add new insulation directly on top of it for a compounding effect. You can also mix different types, such as adding blown-in insulation around existing fiberglass batts.

However, removal is recommended if the old insulation is compromised by water damage or pests. You should also remove it if you plan to install a different type of insulation, like switching from roll or batt insulation to spray foam. If the existing insulation is very old or damaged, you will likely get more benefit from removing it and starting fresh.

Insulating your ducts offers several benefits, including:

Improved energy efficiency: Duct insulation prevents energy losses, reducing heating and cooling costs.
Cost savings: Lower energy bills make insulation a cost-effective investment.
Environmental benefits: Enhanced efficiency reduces your carbon footprint.
Consistent comfort: Insulated ducts help maintain a stable indoor temperature.
Better indoor air quality: Reduced allergens and pollutants improve air quality.

Fiberglass is considered a favorite garage insulation choice due to its combination of affordability, ease of installation, and overall effectiveness. Fiberglass provides good thermal resistance, helping regulate garage temperatures and minimize heat transfer. Additionally, fiberglass is moisture-resistant, reducing the risk of mold or mildew formation.

Your home's location, budget, and the type of insulation you’re using are just a few of the factors that can help you choose the right insulation. For example, blown-in insulation is typically used in attic spaces, while batts and rolls are ideal for floors and walls. Blown-in insulation is usually a good option if you're adding more insulation to an area that already has some, but not enough.

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