Does basement insulation need a vapor barrier?

• <div><p>Yes, basement insulation needs a vapor barrier due to its susceptibility to moisture seeping in from the outside of the house. You should install a moisture barrier before you <a href="https://www.angi.com/articles/how-to-install-insulation.htm">install insulation</a> or purchase insulation that comes prebuilt with a moisture barrier to avoid water damage in your insulation and costly mold and water remediation expenses. </p><p> </p></div>

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Q: Is it OK to put plywood over insulation in an attic?

• <div><p>Installing sheets of plywood over <a href="https://www.angi.com/articles/attic-insulation-guide.htm">attic insulation</a> is a popular choice, especially in storage spaces. That said, insulation works by trapping hot air&mdash;so it needs extra space to expand and be effective, or you might reduce the energy efficiency of your home. </p><p>It&rsquo;s important that you never compress the insulation by installing flooring directly on top of it. In many houses, you&rsquo;ll need to install a subfloor before putting plywood over insulation in your attic.</p></div>

Q: How do pros determine the right type and amount of insulation for my attic?

• <div><p>Through R-value assessments based on climate and existing insulation.</p></div>

Q: How long does fiberglass insulation last?

• <div><p>The <a href="https://www.angi.com/articles/when-should-i-replace-my-insulation.htm">life span of fiberglass insulation</a> can be as long as 80 to 100 years, but because of changing building codes, it&rsquo;s best to get your insulation checked every 10 to 15 years. Signs of degrading fiberglass insulation include bits of batts on the floor or batts detached from frames. Having optimal, healthy insulation in your home will improve its energy efficiency, lowering your monthly bills.</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>

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Verified Reviews for Doorbell Installation pros in Drummond, MT

*The Angi rating for Doorbell Installation companies in Drummond, MT 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 Drummond, MT 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 August 25, 2026

Reviewed in August 2026
We are so excited to get our house updated with new siding! Patrick Roskowyk did an amazing job helping us find the financing we need for this project to get started! It will be a little bit before the job gets started which gives us a chance to get ready! We highly recommend that you request...
DaBella - Missoula (Siding)
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Reviewed in January 2025
Even though JJ Is my son, he is very professional. There was no different treatment for me than for his other customers. He told me what needed done, what it would take to get it done, how much it would cost & what he does to get the job done. He is very meticulous about his work & does an...
Murray's Mountain Side Painting
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Reviewed in October 2024
Todd and Jesse came out to my home, wanted to know my concerns concerning my heating/ac needs. Both did a thorough evalution of my home underneath crawl space, and one day later gave me a solid bid for the work to be performed with the pricing. One week later, installation started. They are...
American Heating Cooling & Refrigeration, LLC
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Reviewed in April 2024
Skyler and his crew did great work! Would highly recommend!
Havoc Roofing LLC
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Reviewed in March 2024
Clint was so easy to work with, his fee was reasonable, he was flexible in his time available and our garage doors look beautiful!
Coffman Garage Door Services
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Reviewed in April 2023
Nathan got back to me immediately and was doing the job within two days!! They cleaned up all the branches and debris and would definitely recommend them to anyone considering tree removal!
Montana Tree Masters
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Reviewed in October 2022
Westley completed my Bathroom renovation about 4 months ago and did an amazing job. I was very happy he was so detailed oriented and made sure things were done right.
Concrete Coating Systems
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Reviewed in September 2021
They are incredibly helpful and very responsive and I will hire them if they are 2miles away from my location
Eagle Pump Service
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Reviewed in September 2021
Really nice guy to work with, prom0t.for every appointment and.did the work we agreed on in very good time.
Precision Tree Care
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Reviewed in November 2020
Michael is reliable and did a great job cleaning my gutters
Reimer & Sons Painting, LLC
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Doorbell Installation questions, answered by experts

Yes, basement insulation needs a vapor barrier due to its susceptibility to moisture seeping in from the outside of the house. You should install a moisture barrier before you install insulation or purchase insulation that comes prebuilt with a moisture barrier to avoid water damage in your insulation and costly mold and water remediation expenses.

Installing sheets of plywood over attic insulation is a popular choice, especially in storage spaces. That said, insulation works by trapping hot air—so it needs extra space to expand and be effective, or you might reduce the energy efficiency of your home.

It’s important that you never compress the insulation by installing flooring directly on top of it. In many houses, you’ll need to install a subfloor before putting plywood over insulation in your attic.

Through R-value assessments based on climate and existing insulation.

The life span of fiberglass insulation can be as long as 80 to 100 years, but because of changing building codes, it’s best to get your insulation checked every 10 to 15 years. Signs of degrading fiberglass insulation include bits of batts on the floor or batts detached from frames. Having optimal, healthy insulation in your home will improve its energy efficiency, lowering your monthly bills.

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.

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