Does bathroom insulation need a vapor barrier?

• <div><p>Yes. Bathroom insulation requires a vapor barrier. As a matter of fact, bathrooms and kitchens are the two areas of the home that should always get a vapor barrier because of the excess moisture. If you don’t have a vapor barrier in place in these rooms, the moisture will build up and eventually lead to mold and bacteria, not to mention the destruction of the insulation.</p></div>

Can I use fiberglass insulation to soundproof a room?

• <div><p>We do not recommend fiberglass insulation for soundproofing purposes, especially if you are working on a room that’s part of your living space. <a href="https://www.angi.com/articles/diy-dangers-fiberglass-insulation-hazards.htm">Fiberglass insulation is dangerous</a>, and the installation process is hazardous. It is also harmful to the environment. When there are so many newer, healthier non-fiberglass alternatives in the market, the lower cost of fiberglass insulation simply doesn’t justify the harm and danger it poses.</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>

Is a radiant barrier better than insulation?

• <div><p>Radiant barriers and insulation serve different purposes, so one is not inherently better than the other. Radiant barriers reflect radiant heat, helping keep spaces cool, especially in hot climates, while insulation slows heat transfer through conduction. For optimal energy efficiency, it’s best to use both together. </p><p>Radiant barriers can enhance the performance of insulation by preventing heat gain in the summer and heat loss in the winter. The choice between them depends on specific climate conditions and the building’s design requirements.</p></div>

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Last update on March 27, 2026

Reviewed in March 2026
Very friendly guys they asked all the right questions and went above and beyond with the flooring installation, They also got it done within the estimated time frame, would recommend them!
Vasquez Flooring
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Reviewed in May 2024
I guess I got what I paid for. I paid $1700 for laminate countertops. I like the countertops, they are exactly what I was expecting. The installation on the other hand is ridiculously amateurish. Where the counter turns at the elbow of the counter does not line up with the corner at all. The...
Valley Countertops
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Reviewed in May 2023
Daniel helped me install kitchen cabinets and he did an exceptional job! He's very energetic and he is always looking to help out. I will certainly use him again!
Dan's Handy Services
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Reviewed in October 2021
Alin is still working on finalizing the project, which was delayed when Lowes had to postpone delivery of the tub from original date of Oct 18th until mid-December. Alin located a comparable whirlpool tub locally, and expects to complete the installation this week. He is an excellent craftsman...
A-M Plumbing
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Reviewed in May 2021
Clinton is professional and easy to communicate with, He fixes and prepares the area to make sure the concrete will be perfect. His bid was fair and he never cut corners or complained about old pipes and drainage problems, It was a big job that I have had many compliments. ...
C L Allen Concrete Construction
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Reviewed in September 2017
Very friendly and professional technicians, Jon determined we needed a new mother board which he had to order from the company, and, amazingly it came the next day. Jon came out and installed it but it did not do the trick, the whole 20 year old unit needed replacing. since we would be gone for...
Bob's Air Repair
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Reviewed in May 2017
We called the company and they sent a technician in less than 2 hours. Upon receiving the free quote we agreed to the repair and they fixed the 3/4" copper pipe by our main shut-off valve. The repairs were quick and they were able to remove a outdated regulator valve. While they were there we...
Earl's Performance Plumbing
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Reviewed in July 2016
Dale and his staff are fantastic!! <br /> Great experience from the initial phone conversation, all the way through the final carpet installation. <br /> Consulted with Dale on the best options of flooring, based on our needs and budget. <br /> Installers were excellent, could tell they were...
Dale's Carpet & Design
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Reviewed in April 2015
I did not hire to replace water heater, however, had them install a filter system on our house pump . I thought they did an excellent job, answered all questions and called back to see how things were going. as to value for money, I have no idea because never have had a filter installed...
Earl's Performance Plumbing
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Reviewed in April 2013
Gallagher called and said that the HVAC technician would be arriving in 30 minutes. One hour later, he arrived. <br /> The technician laid out some marketing materials right away and encouraged us to review them, particularly he wanted us to look at the benefits of the Gallagher Club. <br...
Gallaghers Plumbing, Heating & Air Inc.
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Doorbell Installation questions, answered by experts

Yes. Bathroom insulation requires a vapor barrier. As a matter of fact, bathrooms and kitchens are the two areas of the home that should always get a vapor barrier because of the excess moisture. If you don’t have a vapor barrier in place in these rooms, the moisture will build up and eventually lead to mold and bacteria, not to mention the destruction of the insulation.

We do not recommend fiberglass insulation for soundproofing purposes, especially if you are working on a room that’s part of your living space. Fiberglass insulation is dangerous, and the installation process is hazardous. It is also harmful to the environment. When there are so many newer, healthier non-fiberglass alternatives in the market, the lower cost of fiberglass insulation simply doesn’t justify the harm and danger it poses.

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.

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.

Radiant barriers and insulation serve different purposes, so one is not inherently better than the other. Radiant barriers reflect radiant heat, helping keep spaces cool, especially in hot climates, while insulation slows heat transfer through conduction. For optimal energy efficiency, it’s best to use both together.

Radiant barriers can enhance the performance of insulation by preventing heat gain in the summer and heat loss in the winter. The choice between them depends on specific climate conditions and the building’s design requirements.

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