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How Much Does Batt & Roll Insulation Cost?

$1 - $3
cost per square foot
$1,000 - $3000
average cost per project
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Understanding the costs associated with installing batt and roll insulation is crucial for planning any construction or renovation project. This comprehensive guide provides detailed insights into the expenses involved, helping homeowners and contractors make informed decisions.


Key Takeaways

AspectDetails
Cost Per Square Foot$0.80 – $2.60
Average Total Cost$1,100 – $3,900
Cost FactorsMaterial type, R-value, labor costs, location, and project complexity
Cost by LocationVaries for attics, walls, ceilings, crawl spaces, and more
Installation OptionsProfessional vs. DIY installation
Comparison with Other InsulationDifferences in cost-effectiveness and application scenarios

Batt Insulation Cost

Cost Overview

The cost of batt and roll insulation typically ranges from $0.80 to $2.60 per square foot installed, with the total cost for a standard project falling between $1,100 and $3,900. These costs can vary based on several factors, including the type of insulation material, the R-value, and the size of the area being insulated.

Cost Breakdown by Location

The cost to install batt and roll insulation can differ significantly based on the location within a building:

LocationAverage Cost Installed
Attic floor$1,100 – $3,900
Exterior walls (whole house)$1,100 – $5,300
Ceilings (whole house)$2,000 – $11,800
Ceilings (average room)$200 – $2,400
Unvented crawl space$1,400 – $2,800
Garage walls$670 – $2,600
Garage attic floor$600 – $1,500

This variability underscores the importance of precise measurements and evaluations before beginning insulation projects.

Batt and Roll Insulation Cost Per Square Foot

The table below provides a detailed look at how costs can scale with the size of the insulation project:

Square FeetAverage Cost to Install
100$80 – $260
300$240 – $780
500$400 – $1,300
700$560 – $1,800
1,000$800 – $2,600
1,200$960 – $3,100
1,500$1,200 – $3,900
2,000$1,600 – $5,200
2,500$2,000 – $6,500

Average Cost to Install Batt and Roll Insulation

Nationally, the average cost for batt and roll insulation installation is approximately $2,500, but this can range from a low of $200 to a high of $6,500. This broad range reflects the varying complexities and requirements of different insulation projects.

Roll of Insulation Cost

Batt Insulation Prices by R-value

The cost of batt insulation is also influenced by its R-value, which measures thermal resistance. Here’s a breakdown of typical costs associated with different R-values:

R-valueThickness (inches)Material Price (per sq ft)Total Cost Installed (per sq ft)
R-113.5$0.10 – $0.70$0.60 – $2.00
R-133.6$0.15 – $0.80$0.65 – $2.10
R-196 – 6.25$0.40 – $1.00$0.90 – $2.30
R-215.5$0.60 – $1.20$1.10 – $2.50
R-309.5 – 10$0.50 – $1.70$1.00 – $3.00
R-3812$0.60 – $2.00$1.10 – $3.30

Labor Cost to Install Batt Insulation

The labor costs for installing batt insulation vary depending on the complexity of the installation, geographic location, and the contractor’s rates. Typically, labor constitutes a significant portion of the total installation cost.

Batt Insulation Cost Factors

Several factors can affect the cost of batt insulation:

  1. Type of Insulation: Fiberglass, mineral wool, and cotton each have different price points.
  2. R-value: Higher R-values generally result in higher costs.
  3. Area Size: Larger areas require more materials and labor.
  4. Accessibility: Difficult-to-reach areas can increase labor costs.
  5. Geographic Location: Costs vary significantly across different regions.

Differences between Batt and Roll Insulation

Batt and roll insulation are similar but have key differences in installation and use. Rolls are better suited for long, uninterrupted spaces like floors, while batts are pre-cut to fit between studs and joists in walls and ceilings.

Where to Use Batt Insulation

Batt insulation is versatile and can be used in various parts of a home, including attics, walls, and crawl spaces. It is particularly effective in areas where there are standard spacing between joists and studs, which allows for easy installation of pre-cut sections.

DIY Cost to Install Batt and Roll Insulation

For those considering a DIY approach, the cost can be significantly lower, mainly involving the purchase of materials. However, proper installation is crucial to achieving the desired energy efficiency.

How Many Rolls of Insulation Do I Need?

To determine the number of rolls needed for a project, calculate the total square footage of the area to be insulated and divide by the coverage of the insulation product being used.


For more detailed information on home insulation options and costs, visit our comprehensive guide on batt and roll insulation costs.

This guide aims to provide you with all the necessary information to make the best choice for your insulation needs, ensuring optimal energy efficiency and comfort in your home.

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