Cost of R21 Insulation

Item Buy Qty Low High
Material start qty $170.73 $207.09
Labor start qty $238.43 $301.14
Supplies, Tools $18.05 $20.88
Total   $427.21 $529.11

Insulated Area 1000 square feet

Material Grade Premium builder grade

Labor Type Vendor supplied

Difficulty Typical complexity/access

Zip Code

Do you need to know the average cost to install R21 Insulation in your zip code? Do you need a fair and easy-to-understand 2014 estimate of R21 Insulation material, installation and job supply costs?

The homewyse R21 Insulation cost estimator provides up-to-date pricing estimate ranges for your area. Just enter your project size/quantity, job options and zip code - and then select "Update".


R21 Insulation - Pricing and Installation Cost Notes

  • R21 Insulation cost estimates may require an onsite inspection. Usually these estimates will be "free". You should expect any estimate to be presented with an in-depth sales pitch/presentation.
  • The homewyse cost estimates include all typical costs for labor and equipment required to unpackage, fit, and place insulation.
  • The homewyse R21 Insulation cost estimates do not include costs for removal of existing insulation or debris; modification or repair of existing structure or finish surfaces.
  • Low to High labor cost range differences are in part due to variations in work load, job location and seasonal wage rates.
  • The variation in installation costs for complex configurations (non-rectangular shape, many corners, multiple levels, etc.) can be considerable. For accurate cost estimates, collect detailed bids from several qualified professionals.
  • Higher priced R21 Insulation may include features/attributes that include facing, installation tabs and easy-to-handle precut lengths.
  • R21 Insulation installation costs vary considerably by location. For an accurate estimate in your area, enter your zip code in the calculator above.
  • Save on installation costs by combining similar jobs and by being willing to have your project completed during low demand periods for the vendor/installer.
  • Reduce total project cost by having multiple vendors bid on the same, detailed work specification of your R21 Insulation project.

R21 Insulation - Pricing References

  • Insulation United States Department of Energy, Dec 2009, Editorial Staff
  • Air Sealing United States Department of Energy, Dec 2009, Editorial Staff
  • Insulation Handbook McGraw-Hill, Nov 2000, Richard T. Bynum, ISBN 71589856
  • Thermal Insulation Building Guide Krieger Publishing Company; Original edition, Feb 1990, Edin F. Strother, William C. Turner, ISBN 088275985X

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