Cost of R21 Insulation

Item Buy Qty Low High
Material start qty $232.25 $281.70
Labor start qty $277.63 $350.65
Supplies, Tools $18.05 $20.88
Total   $527.93 $653.23

To estimate costs for your R21 Insulation project, change the size and default options below...

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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 an easy-to-understand 2015 estimate of R21 Insulation job options and costs? Get pricing INSTANTLY. Enter your options and zip code above - then select "Update".


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R21 Insulation - Pricing and Installation Cost Notes

Homewyse cost estimates are approximate ranges for basic work in typical conditions. The estimates should only be used for preliminary planning. Homewyse estimates are NOT substitutes for 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.

  • 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

R21 Insulation - Related Items


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