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How Much Does Batt & Roll Insulation Cost To Install?

Typical Range: $1,033 - $2,419

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Batt Insulation Costs

The cost for batt and roll insulation starts at $0.12 to $0.16 per square foot for a three-and-a-half-inch barrier that provides a value of R-11. The cost of a single roll of reflective insulation varies according to its R-value. Typically, the cost averages $0.30 to $0.90 per square foot and comes in rolls up to 50 feet long.

The average cost to install batt and roll insulation is between $1,033 and $2,419 but can vary depending on the size of your space and where you’re having the insulation installed. Labor for this project runs from $35 to $80 per hour on average.

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National Average $1,707
Typical Range $1,033 - $2,419
Low End - High End $490 - $3,982

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Cost data is based on actual project costs as reported by 6,095 HomeAdvisor members in .

Cost to Install Batt and Roll Insulation

A standard insulation project requires about 535 square feet of insulation, which averages $145 to $200. Along with miscellaneous supplies like tape, cutters and fasteners, the cost of labor averages $170 to $420 for a complete installation. The cost varies depending on the home's location, the amount of labor necessary and ancillary supplies.

Batt Insulation Pricing

Higher R-values typically cost more when it comes to batt and roll insulation. According to the U.S. Department of Energy, R-19 insulation costs up to $0.34 per square foot. A higher R-value of R-38 costs up to $0.60 per square foot. Here is a breakdown of some typical R-values and their average costs according to the U.S. Department of Energy.

R-valueThickness in inchesPrice range per square foot
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Batt Insulation Cost Per Square Foot

Blanket insulation comes in the form of batts or rolls and consists of flexible fibers, commonly known as fiberglass. Fiberglass is the most common insulation material and is constructed of tiny pieces of glass fiber. It comes in low density, medium and high density options.

Blanket insulation is also made with wool, plastic and organic fibers like cotton. Homeowners can purchase batt and roll insulation with or without facing. Facing helps defend against moisture and temperature. Some types of batt insulation also have fire resistant features. The most common R-value for batt and roll insulation is between R-3 and R-4 per inch. Depending on the thickness of your insulation, the R-value can go up to 60.

Roll of Insulation Price

A roll of insulation costs about $0.80 to $1.00 per square foot. The price fluctuates depending on the brand, material, thickness and R-value of the insulation.

Ecobatt Insulation Price

Ecobatt insulation costs about $1.80 per square foot of R-19 grade material. Ecobatt is made of organic materials and is a sustainable insulation option.

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Differences Between Batt and Roll Insulation

Homeowners can choose from many types of batt and rolled insulation for residential uses. Keep in mind that roll insulation is available in a roll, whereas batts come in pre cut sections.

  • Made to fit in between joists and studs, rolled insulation is available in lengths that range from 20 to 40 feet, making it better suited to insulate areas such as attics, flooring and other spaces with long spans.
  • Batt insulation is better suited to fitting right into spaces. It can be a good option on and in walls, floors, ceilings and attics, rafters and trusses within attics.
  • Batt insulation may also be covered with paper or aluminum exterior layers, which act as a vapor, air or dual barrier. This type of insulation can also have optional flame retardant coverings for exposed insulation.
  • Batt insulation can be used in any unfinished wall, including the foundation. Floors and ceilings can also benefit from batt insulation.
  • Thanks to its low price, homeowners can install insulation themselves or hire contractors to install in between joists, beams and studs during new construction or a home renovation.

Where to Use Insulation

Heat typically flows upward and can escape through the roof and attic of a home during colder months, so it is important to insulate these areas well. Here are a few other places to consider:

  • Cathedral ceilings
  • Walls
  • Crawl spaces
  • Around ductwork
  • In basements
  • Floors above cold spaces
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Additional Insulation Considerations

Up to 70 percent of a home's energy usage comes from heating and cooling. Properly installed insulation can lower energy costs and increase comfort. Here are a few factors to consider before starting an insulation project, according to the U.S. Department of Energy.

  • First, determine the quality of any existing insulation.
    • Southern U.S. homes should have R-30 insulation
    • Northern U.S. homes require R-38 insulation
  • If existing insulation is R-19 or is less than the recommended R-value, consider adding more insulation
  • Determine the location of heating and cooling air ducts and assess how well they are sealed. Repairing leaks or resealing air ducts can contribute significantly to year round energy savings.

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DIY vs. Hiring Batt & Roll Installer

If you choose to DIY install your batt and roll insulation, watch out for skin and eye irritation. Take proper safety precautions and wear goggles and gloves throughout the process. A local professional batt and roll installer can help you avoid these hazards and get the job done right.

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Is batt insulation better than blown-in?

One benefit to batt insulation is that it does not require special machinery to install. Both blanket insulation and blown-in insulation have comparable R-values. Talk to a professional insulation contractor to see which option is best for your space.

How much does it cost to insulate a 1,500 sq. ft. house?

It costs from $180 to $1,350 in materials to insulate 1,500 square feet. The amount of insulation for an entire house varies from home to home, depending on the structure of the house.

How much does it cost to insulation a 2,500 square foot house?

Expect to pay from $300 to $2,250 in materials to insulate 2,500 square feet. Different homes require different amounts of insulation depending on the structure. A professional insulation contractor can quote a price true to your space.

How much does it cost to install R-30 insulation?

Expect to pay about $130 to $360 in labor costs to install 1,000 square feet of R-30 insulation.

How many sq. ft. does a roll of insulation cover?

A single roll of insulation typically covers from 40 to 50 square feet. Coverage areas vary depending on the product manufacturer and type of blanket insulation.

How do you estimate insulation?

You can estimate the amount of insulation needed for your home by calculating the total square footage of insulation needed and multiplying it by the cost per square foot of insulation for your chosen R-value. Or, find an insulation contractor to give you an accurate quote.

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How do we get this data?

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