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Top Insulation Contractors in Saint LouisMO

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Featured Service Pros

    DLC Brothers Construction, LLC Logo
    St. Louis, MO·

    Areas Of Expertise: Home Improvement Services

    "Super nice to work with Victor and easy to understand all the ideas ð ¡"

    Jhoan D. in August 2022

    Healthy Home Pest Control & Services Logo
    Belleville, IL·

    Areas Of Expertise: Duct Cleaning, Lawn Treatment, Pest Control , and 1 more

    "I live in a condo building and I was unsure the last time the dryer vent was cleaned. When they finished, they told me to call the back if I continued to have problems. When I needed to call them back out, they came the same day and worked until they found what was blocking the vent. I was impressed at his persistence and making sure I was completely satisfied. I would highly recommend them!"

    JANE W. in December 2017

    C & D General Contractors, LLC Logo
    Fenton, MO·

    Areas Of Expertise: Tuck Pointing, Siding, Roofing

    "We had a great experience with C&D General Contractors. Dale came to take a look at our roof and took pictures to let me know exactly what needed to be done. He got a crew in quickly and they did the work in a timely manner. I would absolutely recommend to friends!"

    Rachel Q. in May 2022

Service Pros

    RC 360 Design, LLC Logo
    Saint Louis, MO·

    Areas Of Expertise: Insulations Bat and Rolled only, Additions & Remodels, Complete Construction , and 1 more

    "Excellent work. Will hire again"

    Lynn R. in December 2019

    Triple B Pest Insulation & Services Logo

    "A good job was done installing the insulation, competitive prices."

    Angela S. in February 2023

    USA Insulation of St. Louis Logo
    Arnold, MO·

    Areas Of Expertise: Insulation

    "this company makes an effort to hire veterans and train them to do a good job. The attitude of the crew that came to our house was impressive. THey worked hard, kept things as neat as possible and - to me- what was impressive is that there was NO VULGAR language so common in other constructin crews. VERY NICE fellows who worked hard for two days!"

    Paul B. in December 2022

    Holper's Insulation & Weatherization Logo
    Affton, MO·

    Areas Of Expertise: Pest & Animal Solutions, Crawl Spaces, Attic Insulation , and 2 more

    "The installers were efficient, quick and clean. Would hire again"

    Patricia M. in November 2019

    Nelux Development, LLC Logo
    Staint Louis, MO·

    Areas Of Expertise: Remodeling, Custom Wood Work, Additions , and 2 more

    "I originally had them out for a new patio and since then they have completed numerous projects for us. I'm so happy I met then, they can take care of anything I would ever need."

    Juliana B. in February 2023

    Best Hands Construction Logo

    In business since 2013

    About us: "We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests and make their concerns the basis of our business."

Showing 1-9 of 9 results

Out of Network Insulation Contractors in Saint Louis, MO

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:

Saint Louis Insulation Contractors are rated 4.8 out of 5 based on 351 reviews of 9 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 Saint Louis, MO

  • NewProject: Blown-in Insulation Install
    Location: Saint Louis, MO
    Date: 03/08/23
    Nature of Project: Insulation for existing home
    Location: Home/Residence
    Desired Completion Date: Timing is flexible
    Request Stage: Ready to Hire
    Location of Installation: Ceiling
    Comment: I have a 1.5 story brick house with a flat roof. I'd like to have insulation added to the ceilings.
  • NewProject: Spray Foam Insulation Install
    Location: Saint Louis, MO
    Date: 03/08/23
    Request Stage: Ready to Hire
    Desired Completion Date: Timing is flexible
    Location: Home/Residence
    Comment: I would like to get an estimate for insulation installation
  • NewProject: Spray Foam Insulation Install
    Location: Saint Louis, MO
    Date: 03/03/23
    Desired Completion Date: Timing is flexible
    Request Stage: Planning & Budgeting
    Nature of Project: Insulation for existing home
    Property Owner: Yes
    Location: Home/Residence
  • Project: Spray Foam Insulation Install
    Location: Saint Louis, MO
    Date: 03/01/23
    Request Stage: Ready to Hire
    Desired Completion Date: Timing is flexible
    What type of insulation do you want?: Spray foam
    Location: Home/Residence
    Comment: Our home has existing rooms which seem to need additional insulation added. All walls are currently drywalled.
  • Project: Spray Foam Insulation Install
    Location: Saint Louis, MO
    Date: 02/27/23
    Nature of Project: Repair/Replace existing insulation
    Location: Home/Residence
    Desired Completion Date: Timing is flexible
    Request Stage: Planning & Budgeting
    Area Description: Wall framing is exposed / unfinished
    Location of Installation: Attic
  • Project: Batt, Rolled or Reflective Insulation Install
    Location: Saint Louis, MO
    Date: 02/27/23
    Location: Home/Residence
    What type of insulation do you want?: Batt, rolled or reflective
    Request Stage: Planning & Budgeting
    Desired Completion Date: Timing is flexible
  • Project: Spray Foam Insulation Install
    Location: Saint Louis, MO
    Date: 02/26/23
    Nature of Project: Repair/Replace existing insulation
    Location: Home/Residence
    What type of insulation do you want?: Spray foam
    Desired Completion Date: Timing is flexible
    Request Stage: Planning & Budgeting
    Are there any other areas that need insulation installed or upgraded?: None
  • Project: Blown-in Insulation Install
    Location: Saint Louis, MO
    Date: 02/24/23
    Nature of Project: Insulation for existing home
    Location: Home/Residence
    Desired Completion Date: Timing is flexible
    Request Stage: Planning & Budgeting
    Other Services Selected: Interior sound proofing
    Location of Installation: Foundation walls
    Comment: I would like the blow in insulations to save on gas bill and outside noise.
  • Project: Spray Foam Insulation Install
    Location: Saint Louis, MO
    Date: 02/23/23
    Desired Completion Date: Timing is flexible
    Request Stage: Planning & Budgeting
    Nature of Project: Repair/Replace existing insulation
    Location: Home/Residence
  • Project: Blown-in Insulation Install
    Location: Saint Louis, MO
    Date: 02/20/23
    Other Services Selected: Insulating hot water pipes
    Request Stage: Planning & Budgeting
    Desired Completion Date: Timing is flexible
    Nature of Project: Repair/Replace existing insulation
    Location of Installation: Foundation walls
    Location of Installation: Masonry walls
    Location of Installation: Non-masonry walls
    Location: Home/Residence
    Comment: I need to have bathroom walls insulated.
  • Project: Batt, Rolled or Reflective Insulation Install
    Location: Saint Louis, MO
    Date: 02/20/23
    Other Services Selected: Insulating hot water pipes
    Request Stage: Planning & Budgeting
    Desired Completion Date: Timing is flexible
    Nature of Project: Insulation for existing home
    Type of Insulation: Rolled
    Location of Installation: Foundation walls
    Location of Installation: Masonry walls
    Location of Installation: Non-masonry walls
    Location: Home/Residence
    Comment: I need to have bathroom walls insulated.
  • Project: Batt, Rolled or Reflective Insulation Install
    Location: Saint Louis, MO
    Date: 02/19/23
    Nature of Project: Insulation for existing home
    Location: Home/Residence
    Desired Completion Date: Timing is flexible
    Request Stage: Planning & Budgeting
    Location of Installation: Ceiling
    Location of Installation: Masonry walls
    Type of Insulation: Rolled
  • Project: Blown-in Insulation Install
    Location: Saint Louis, MO
    Date: 02/19/23
    Nature of Project: Insulation for existing home
    Location: Home/Residence
    Desired Completion Date: Timing is flexible
    Request Stage: Planning & Budgeting
    Location of Installation: Attic
    Comment: I need to have insulation added to my finished attic space. It has wood-paneled walls and ceiling. It is a brick home built in 1951.
  • Project: Batt, Rolled or Reflective Insulation Install
    Location: Saint Louis, MO
    Date: 02/18/23
    What type of insulation do you want?: Batt, rolled or reflective
    Request Stage: Ready to Hire
    Location: Business
    Desired Completion Date: Timing is flexible
  • Project: Spray Foam Insulation Install
    Location: Saint Louis, MO
    Date: 02/17/23
    Location: Home/Residence
    What type of insulation do you want?: Spray foam
    Desired Completion Date: Timing is flexible
    Request Stage: Ready to Hire
    Comment: Our home has existing rooms which seem to need additional insulation added. All walls are currently drywalled.

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