Cost to Insulate an Attic

Updated: December 2016

Attic Insulation Cost CalculatorZip Code
Square Feet*
Item detailsQtyLow  High
Attic Insulation Cost 
Non-discounted retail pricing for: R21 thickness - fire retardant treated cotton recycled fibers. Loose fill. Quantity includes typical waste overage, material for repair and local delivery.
534 square feet$502.38$1,175.35
Attic Insulation Labor, Basic 
Basic labor to insulate attic with favorable site conditions. Fit and secure batt insulation between open ceiling joists. Includes planning, equipment and material acquisition, area preparation and protection, setup and cleanup.
534 square feet$502.38$1,175.35
Attic Insulation Job Supplies 
Cost of related materials and supplies typically required to insulate attic including: fasteners, vent flow baffles and sealing tape.
534 square feet$502.38$1,175.35
Attic 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.
534 square feet$502.38$1,175.35
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.
534 square feet$502.38$1,175.35
Attic 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 Insulate Attic   
Average Cost per Square Foot  

Get an INSTANT, detailed estimate of the cost to Insulate an Attic! Our free calculator uses up-to-date, trusted data to estimate typical subcontractor costs for a Attic Insulation project. For a basic 500 square feet project in zip code 47474, the benchmark cost to Insulate an Attic ranges between $1.59 - $3.08 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 Insulate an Attic - 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! Explore the full range of denim insulation new installation labor options and material prices here.

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 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 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 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 Insulate an Attic - References

Attic Insulation - Average Cost Per Square Foot

Expect to pay in the higher end of the price range for a licensed, insured and reputable pro - and for complex or rush projects.

To lower Attic Insulation costs: combine related projects, minimize options/extras and be flexible about project scheduling.


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