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Out of Network Insulation Contractors in Litchfield, CT

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:

Litchfield Insulation Contractors are rated 4.9 out of 5 based on 140 reviews of 7 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 Litchfield, CT

  • Project: Install Spray Foam Insulation
    Location: Litchfield, CT
    Date: 07/12/22
    Nature of Project: Insulation for existing home
    Location: Home/Residence
    What type of insulation do you want?: Spray foam
    Desired Completion Date: Timing is flexible
    Request Stage: Ready to Hire
    Property Owner: Yes
    Area of Home: Attic
    Area of Home: Non-masonry walls
    Area of Home: Other
    Are you interested in financing?: No
    Comment: Attic insulation and some other spots around the house
  • Project: Install Spray Foam Insulation
    Location: Litchfield, CT
    Date: 07/11/22
    Nature of Project: Add insulation
    Location: Business
    What type of insulation do you want?: Spray foam
    Desired Completion Date: More than 2 weeks
    Request Stage: Ready to Hire
    Property Owner: Yes
    Approximately how many square feet is the attic?: More than 1000 sq. ft.
    Comment: Spray foam insulation to the underside of a wood framed office building.
  • Project: Install or Upgrade Batt, Rolled or Reflective Insulation
    Location: Litchfield, CT
    Date: 06/27/22
    Nature of Project: Insulation for existing home
    Type of Insulation: Batts
    Type of Insulation: Want recommendation
    Location of Installation: Ceiling
    Location: Home/Residence
    Desired Completion Date: Timing is flexible
    Request Stage: Planning & Budgeting
  • Project: Install or Upgrade Batt, Rolled or Reflective Insulation
    Location: Litchfield, CT
    Date: 06/23/22
  • Project: Install or Upgrade Batt, Rolled or Reflective Insulation
    Location: Litchfield, CT
    Date: 06/17/22
    Nature of Project: Insulation for existing home
    Type of Insulation: Want recommendation
    Location of Installation: Ceiling
    Location of Installation: Foundation walls
    Location: Home/Residence
    Desired Completion Date: Timing is flexible
    Request Stage: Planning & Budgeting
    Property Owner: Yes
    Are you interested in financing?: No
    Comment: Old colonial farmhouse. Need old insulation removed and new insulation installed between basement and ground floor.
  • Project: Install or Upgrade Batt, Rolled or Reflective Insulation
    Location: Litchfield, CT
    Date: 04/13/22
  • Project: Install or Upgrade Batt, Rolled or Reflective Insulation
    Location: Litchfield, CT
    Date: 04/11/22
  • Project: Install Spray Foam Insulation
    Location: Litchfield, CT
    Date: 03/30/22
    Nature of Project: Insulation for new construction/addition
    Location: Home/Residence
    What type of insulation do you want?: Spray foam
    Desired Completion Date: Timing is flexible
    Request Stage: Ready to Hire
    Property Owner: Yes
    Area of Home: Non-masonry walls
    Are you interested in financing?: No
  • Project: Install or Upgrade Blown-In Insulation
    Location: Litchfield, CT
    Date: 01/28/22
    Nature of Project: Insulation for existing home
    Location: Home/Residence
    Desired Completion Date: Timing is flexible
    Request Stage: Ready to Hire
    Property Owner: Yes
    Are you interested in financing?: No
    Comment: There is a wall adjacent to the garage on the first floor on condo that has three floors. There are plumbing pipes to second floor kitchen and third floor bathroom that in wall and freeze each winter.
  • Project: Install Spray Foam Insulation
    Location: Litchfield, CT
    Date: 01/21/22
    Nature of Project: Repair/Replace existing insulation
    Location of Installation: Floor
    Location: Home/Residence
    Desired Completion Date: 1 - 2 weeks
    Request Stage: Planning & Budgeting
    Property Owner: Yes
    Area Description: Wall framing is exposed / unfinished
    Are you interested in financing?: No
    Comment: its a 9 1/2 by 12 1/2 dining room floor in an addition on an old house. The original owner put in fiberglass insulation in the floor which has since fallen down. Its accessible via a trellis covered crawlspace from the patio and the floor feels almost exactly the temperature outside.
  • Project: Install Spray Foam Insulation
    Location: Litchfield, CT
    Date: 01/06/22
    Nature of Project: Insulation for existing home
    Location: Home/Residence
    Desired Completion Date: Timing is flexible
    Request Stage: Ready to Hire
    Property Owner: Yes
    Area Description: Not sure
    Are you interested in financing?: No
    Comment: I need my home insulated
  • Project: Install Spray Foam Insulation
    Location: Litchfield, CT
    Date: 12/27/21
    Location: Home/Residence
    What type of insulation do you want?: Spray foam
    Desired Completion Date: Timing is flexible
    Request Stage: Planning & Budgeting
    Comment: I need my home insulated
  • Project: Install Spray Foam Insulation
    Location: Litchfield, CT
    Date: 10/07/21
    Nature of Project: Insulation for existing home
    Location of Installation: Floor
    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: Litchfield, CT
    Date: 08/25/21
    Nature of Project: Insulation for new construction/addition
    Location of Installation: Ceiling
    Location of Installation: Floor
    Location of Installation: Non-masonry walls
    Location: Home/Residence
    Desired Completion Date: 1 - 2 weeks
    Request Stage: Ready to Hire
    Property Owner: Yes
    Area Description: Wall framing is exposed / unfinished
    Are you interested in financing?: No
    Comment: 5 car garage with living space above

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