Cost to Install Blown-In Attic Insulation

Updated: March 2018

Blow-In Attic Insulation CalculatorZip Code
Square Feet*
Item detailsQtyLow  High
Blown-In Insulation Cost 
Non-discounted retail pricing for: Fire retardant, treated cellulose. Class 1A. Loose fill. Quantity includes typical waste overage, material for repair and local delivery.
534 square feet$223.27$522.41
Blown-In Insulation Labor, Basic 
Basic labor to install blown-in attic insulation with favorable site conditions. Install vent baffling at all ceiling soffit vent locations. Blow in and level insulation in ceiling crawl space. Includes planning, equipment and material acquisition, area preparation and protection, setup and cleanup.
534 square feet$223.27$522.41
Blown-In Insulation Job Supplies 
Cost of related materials and supplies typically required to install blown-in attic insulation including: fasteners, vent flow baffles and sealing tape.
534 square feet$223.27$522.41
Blown-In Insulation Equipment Allowance
Job related costs of specialty equipment used for job quality and efficiency, including: 115 V insulation blowing system, 500+ pounds of insulation/hour capacity. Daily rental.
534 square feet$223.27$522.41
Option: Remove Insulation
Transfer existing loose fill insulation into container and dispose of responsibly off premise. For up to 1 foot thick layer of fiberglass, wool and cellulose insulation only. Additional precautions, steps and costs for asbestos insulation are NOT included. Material cost includes dump fee.
534 square feet$223.27$522.41
Blown-In Insulation Debris Disposal
Costs to load and haul away old materials, installation waste and associated debris.
534 square feet0.41343750.4703125
 Unused Minimum Labor
Balance of 2 hr(s) minimum labor charge that can be applied to other tasks.
   
Totals - Cost To Install Blown-In Attic Insulation   
Average Cost per Square Foot  
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For a basic project in zip code 47474 with 500 square feet, the cost to Install Blown-In Attic Insulation starts at $1.02 - $1.76 per square foot*. Actual costs will depend on job size, conditions, size options.

To estimate costs for your project:

1. Set Project Zip Code Enter the Zip Code for the location where labor is hired and materials purchased.

2. Specify Project Size and Options Enter the number of "square feet" required for the project.

3. Re-calculate Click the "Update" button.


NOTE: *Input the total of the finished surface area AND the area of any openings enclosed by the finished area.


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Unit Costs: How Pros Price

Unlike sites which blend pricing from dissimilar jobs, homewyse estimates are based on the Unit Cost method. This method uses job specific detail for superior pricing accuracy and transparency - and has become an industry standard through publications and guidance of leading trade associations, including: PHCCA, the NKBA, the NECA, the AIA, and the ASPE.


Cost to Install Blown-In Attic Insulation - Notes and General Information

These estimates are for BASIC work performed in serviceable conditions by qualified trade professionals using MID GRADE materials. Work not mentioned on this page and/or work using master craftsman, premium materials and project supervision will result in HIGHER COSTS!

These estimates are NOT substitutes for written quotes from trade professionals. Homewyse strongly recommends that you contact reputable professionals for accurate assessments of work required and costs for your project - before making any decisions or commitments.

The cost estimate includes:

  • Costs for local material / equipment delivery to and service provider transportation to and from the job site.
  • Costs to prepare the worksite for Blow-In Attic Insulation, including costs to protect existing structure(s), finishes, materials and components.
  • Labor setup time, mobilization time and minimum hourly charges that are commonly included for small Blow-In Attic Insulation jobs.

The cost estimate does NOT include:

  • Costs for removing, relocating, repairing, or modifying existing framing, surfacing, HVAC, electrical, and plumbing systems - or bringing those systems into compliance with current building codes.
  • Costs for testing and remediation of hazardous materials (asbestos, lead, etc).
  • General contractor overhead and markup for organizing and supervising the Blow-In Attic Insulation. Add 13% to 22% to the total cost above if a general contractor will supervise this project.
  • Sales tax on materials and supplies.
  • Permit or inspection fees (or portion thereof) required by your local building department for your overall project.

Cost to Install Blown-In Attic Insulation - Unit Price References

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