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Top Insulation Contractors in AlexandriaVA

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  • Adelphia Exteriors

    • Best of Winner
    • Elite Service
    • Free Estimates
    • Deal
    Posted by Christianna B.on 02/02/2022

    Am so happy with the final product. Received a reasonably priced quote with clear pricing and quick turnaround time. Got great recommendations for colors and decided to go with their suggestions. The crew was working while I was doing home based work and there was minimal mess and disturbance. Cleaned up every day and went the extra mile to make sure we werenâ t tripping over paint and supplies which was super important with kids and pets.

  • Newly Screened & Approved
    Call For References

    Home Energy Medics

    • Warranties
    In Business Since 2009

    We are a locally owned and operated company. We value honesty and integrity in all aspects of our business. We are different- we are a home performance company and we look at the house as a SYSTEM to get to root causes of comfort issues, high bills, and indoor air quality concerns. We offer a variety of home improvement services that are customized to each individual project. We pride ourselves on the quality of our work, as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

  • D. Fuentes Painting

    • Elite Service
    • Warranties
    • Free Estimates
    • Deal
    Posted by Raymond B.on 10/13/2022

    Very nice, professional, and easy to deal with. I had two issues. Before going into issues, I want to say the staff was nice, and easy to chat with and the work seems to be thorough. The guy that power washed my deck took well over an hour. He was slow and methodical. Great to see since prep work is so clear for restaining. When they came to stain the deck, they taped off and made sure to keep the landing clean, etc. So I like the work. In the grand scheme of things, my issues were minor and I am happy with the job. As for issues... First was a lack of communication on scheduling then rain delayed doing the outdoor project. I had to reach out to them rather than receive a message on their plan. A week later, they scheduled a time to power wash the deck but did not confirm when they would come out to apply the stain. They just showed up the next day with no word. I would have liked communications ahead of time about when people would be out. Second, after signing the contract I realized it did not include doing the posts and other main beams under the deck which had been done by the prior contractor. I am on a hill so when you stand in the yard, you can see those posts, etc. I am not talking about the underside of the deck, just the major structural elements are previously done and in a different color. I wish the original quote was more thorough than the others I had received. If I had not caught that, I would have ended up with a 2 tone deck!?!?! They agreed to do it for slightly more cost. Had I known that ahead of time, I may have gone with someone else? Finally, I have to admit, I was unhappy when there was no left over stain for touch ups later. The work looks good, but it does make me wonder, why was there no left over? Did they have exactly enough for 2 full coats? Did they have a little and just use it up going over some areas or did they not really do 2 full? We had discussed having some left over for touch ups, and it seemed odd they had exactly the amount needed... I tried to ask about getting extra for touch ups later, but it was only available by the gallon for $100.

Showing 1-13 of 13 results

Out of Network Insulation Contractors in Alexandria, VA

Frequently Asked Questions

What is insulation?

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Insulation is material that provides a barrier within a home’s walls, ceilings, and floors to regulate temperature and noise. If your home gets overly hot in the summer and cold in the winter, it’s likely not insulated properly.

Insulation efficiency is measured by R-value, which determines how resistant different types of insulation are to heat flow (or energy loss). R-values are measured by inch of thickness. The higher the R-value, the better the performance and the higher the price.

How much does insulation cost?

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Our project data lists insulation costs between $1,400 and $6,300, but your final price will depend on the type of insulation you choose, its R-value, and how much you need.

  • Fiberglass insulation: $0.30 – $1.50
  • Blown-in insulation: $1 – $2
  • Spray foam insulation: $0.50 – $2
  • Radiant insulation: $0.20 – $1
  • Rigid board insulation: $0.25 – $1

Luckily, insulation is one of the best investments you can make in your home—it has an ROI of at least 100%, meaning you’ll likely make back what you spend in a few years or so.

What is insulation made of?

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Insulation is made of many different materials, which can also impact the R-value needed for energy efficiency.

  • Fiberglass: The most common insulation material made from glass. Fiberglass is a skin and lung irritant, so you’ll need to wear gloves and clothing when working with fiberglass insulation.
  • Cellulose: Made from recycled paper products, plus borate for fire and insect resistance.
  • Foam: Made from polystyrene, polyisocyanurate, or polyurethane plastic. You can also install cement-based foam insulation using rigid foam boards.
  • Mineral wool: Made of fire-resistant rock wool, a mix of natural materials, or slag wool, made from a molten metal product.
  • Natural fibers: Made from various recycled natural materials, including cotton, sheep’s wool, and straw.

Where is insulation in a house?

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If your attic is unfinished or you’ve ever demolished an interior wall, you might notice batt or spray foam insulation between the studs. Putting insulation between your walls and floors helps keep your home comfortable and your energy costs down. In addition to walls and attics, you can install insulation in your garage, in floors above vented crawl spaces, and basements.

  • Garage Insulation: $0.50 to $1.25 per square foot
  • Floor and crawl space insulation: $1 to $5 per square foot
  • Basement insulation: $1.50 to $2.50 per square foot
  • Wall insulation: $1 to $4 per square foot
  • Attic insulation: $1,500 to $6,000
  • Roof insulation: $1,500 to $4,500 or more

What are the different types of insulation?

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There are a few types of home insulation, and they all are made of different materials— most commonly, fiberglass, cellulose, and foam. Insulation includes these materials in the following forms:

  • Loose-fill: Also called “blown-in,” loose-fill is sprayed into wall cavities, attics, and other oddly-shaped areas using special equipment. This insulation is usually made of fiberglass, cellulose, or mineral wool.
  • Batts: An affordable insulation blanket best for unfinished spaces, such as between framing, studs, or joists. They come in pre-cut sections suitable for DIY installation and are mostly made from fiberglass, though other versions are also available.
  • Rolls: Similar to batt insulation, but comes in rolls. Its make-up leaves less chance for gaps between sections and is more efficient than other types.
  • Foam board: One of the most popular insulation types that can be used almost anywhere in your home. Foam boards also have a high R-value.
  • Spray foam: Expands and hardens to fill gaps, small and large. Can be closed-cell or open-cell, but closed-cell has a higher R-value, making it more expensive per square foot.
  • Radiant barriers: Does not reduce heat flow but directs heat away from the home instead. Radiant barriers are DIY-friendly and affordable, but they won’t be as effective in the winter months.

Top Insulation Projects

HomeAdvisor Community Rating

Overall Rating:

Alexandria Insulation Contractors are rated 4.7 out of 5 based on 871 reviews of 13 pros.

The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.


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Recent Job Requests for Insulation Contractors in Alexandria, VA

  • NewProject: Install or Upgrade Batt, Rolled or Reflective Insulation
    Location: Alexandria, VA
    Date: 10/26/22
    Nature of Project: Insulation for new construction/addition
    Location: Business
    What type of insulation do you want?: Batt, rolled or reflective
    Desired Completion Date: Within 1 week
    Request Stage: Ready to Hire
    Property Owner: Yes
    Area of Home: Foundation walls
    Are you interested in financing?: Yes
  • NewProject: Install or Upgrade Batt, Rolled or Reflective Insulation
    Location: Alexandria, VA
    Date: 10/24/22
    Nature of Project: Insulation for existing home
    Type of Insulation: Rolled
    Location of Installation: Attic
    Location: Home/Residence
    Desired Completion Date: Timing is flexible
    Request Stage: Ready to Hire
  • NewProject: Install or Upgrade Batt, Rolled or Reflective Insulation
    Location: Alexandria, VA
    Date: 10/24/22
    Location: Home/Residence
    What type of insulation do you want?: Batt, rolled or reflective
    Desired Completion Date: Timing is flexible
    Request Stage: Ready to Hire
    Comment: I do not know which is best insulation
  • NewProject: Install Spray Foam Insulation
    Location: Alexandria, VA
    Date: 10/24/22
    Nature of Project: Insulation for existing home
    Location of Installation: Attic
    Location: Home/Residence
    Desired Completion Date: Timing is flexible
    Request Stage: Ready to Hire
    Area Description: Wall framing is exposed / unfinished
  • NewProject: Install Spray Foam Insulation
    Location: Alexandria, VA
    Date: 10/20/22
    Location: Home/Residence
    What type of insulation do you want?: Spray foam
    Desired Completion Date: 1 - 2 weeks
    Request Stage: Ready to Hire
  • Project: Install Spray Foam Insulation
    Location: Alexandria, VA
    Date: 10/19/22
    Nature of Project: Insulation for existing home
    Location of Installation: Attic
    Location of Installation: Masonry walls
    Location: Home/Residence
    Desired Completion Date: More than 2 weeks
    Request Stage: Planning & Budgeting
    Area Description: Wall framing is exposed / unfinished
  • Project: Install Spray Foam Insulation
    Location: Alexandria, VA
    Date: 10/19/22
    Nature of Project: Repair/Replace existing insulation
    Location of Installation: Attic
    Location of Installation: Ceiling
    Location: Home/Residence
    Desired Completion Date: More than 2 weeks
    Request Stage: Planning & Budgeting
    Property Owner: Yes
    Area Description: Not sure
    Are you interested in financing?: No
    Comment: WANT SET UP A BUDJET
  • Project: Install Spray Foam Insulation
    Location: Alexandria, VA
    Date: 10/19/22
  • Project: Install Spray Foam Insulation
    Location: Alexandria, VA
    Date: 10/19/22
  • Project: Install or Upgrade Batt, Rolled or Reflective Insulation
    Location: Alexandria, VA
    Date: 10/16/22
  • Project: Install or Upgrade Blown-In Insulation
    Location: Alexandria, VA
    Date: 10/13/22
    Location: Home/Residence
    What type of insulation do you want?: Blown-in
    Desired Completion Date: Timing is flexible
    Request Stage: Planning & Budgeting
  • Project: Install or Upgrade Blown-In Insulation
    Location: Alexandria, VA
    Date: 10/12/22
    Nature of Project: Repair/Replace existing insulation
    Location of Installation: Attic
    Location: Home/Residence
    Desired Completion Date: Timing is flexible
    Request Stage: Ready to Hire
  • Project: Install or Upgrade Batt, Rolled or Reflective Insulation
    Location: Alexandria, VA
    Date: 10/09/22
    Location: Home/Residence
    What type of insulation do you want?: Batt, rolled or reflective
    Desired Completion Date: Timing is flexible
    Request Stage: Ready to Hire
    Comment: Attic insulation needs replacement

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