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R-Value Recommendations

Figure 1 shows which building spaces should be insulated. Use the form below to get recommendations for your situation. If you need to determine the ZIP code for a city click here. Click your browser's back button twice to return to this page after you have the ZIP code.

R-Value Recommendation Form

House Status:

Fuel Type:

House Location
(First Three Digits of ZIP Code):

The homeowner could then check Table 1 to find several choices. Remember to buy the insulation based on this R-value, and to check the product label to determine the insulation's proper thickness. Specialty insulation products are available to provide higher insulation values in confined spaces in new homes, such as in wall cavities and cathedral ceilings.


Revised: November 11, 2003 by Juanita Denton