Cost to Install Blown-In Attic Insulation

Updated: January 2016

Blow-In Attic Insulation Cost CalculatorZip Code
Square Feet*
ItemQuantityLow  High  
Blown-In Insulation Cost
Non-discounted retail pricing for: Fire retardant treated cellulose. Loose fill. Quantity includes typical waste overage, material for repair and local delivery.
534 square feet$132.35$309.65
Blown-In Insulation Labor
Labor estimate to install blown-in attic insulation. 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.
3.1 hours$178.38$237.66
Blown-In Insulation Materials and Supplies
Cost of related materials and supplies typically required to install blown-in attic insulation including: fasteners, vent flow baffles and sealing tape.
500 Square Feet$18.70$21.50
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..

Totals - Cost to Install Blown-In Attic Insulation - 500 Square Feet $359.43$617.56
Average Cost Per Square Foot  $0.72$1.24

Get an INSTANT estimate of the cost to Install Blown-In Attic Insulation! Our free calculator uses recent, trusted data to estimate costs for your Blow-In Attic Insulation project. For a basic 500 square feet project in zip code 47474, the benchmark cost to Install Blown-In Attic Insulation ranges between $0.72 - $1.24 per square foot* .

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

Homewyse cost estimates are "ballpark" ranges for basic work performed in normal, serviceable conditions. The estimates should only be used for preliminary planning. Homewyse estimates are NOT substitutes for firm quotes from qualified vendors. Homewyse strongly recommends that you contact reputable professionals for an accurate assessment 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.
  • Costs for job cleanup and debris removal at project completion.
  • 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 15% to 23% 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 - References

Blow-In Attic Insulation - Average Cost Per Square Foot

Expect to pay in the high end of the estimated price range for a licensed, bonded and insured contractor and for complex or rush projects. Hire carefully, only after verifying prior work quality.

For the best value on Blow-In Attic Insulation: combine related projects; get bids from several pros; and be flexible about project scheduling.

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