Current R-Value Calculator

R-Value Map

Please use the map and table below to determine the recommended R-Value for your area.

Zone U.S. DOE Recommended R-Value Range
1 R30-R49
2-3 R38-R49
4 R38-R60
5-8 R49-R60

Map Notes:

Zone 1 includes Hawaii, Guam, Puerto Rico, and the Virgin Islands.

All of Alaska is in Zone 7 except for the following Boroughs in Zone 8: Bethel, Dellingham, Fairbanks N. Star, Nome, North Slope, Northwest Arctic, Southeast Fairbanks, Wade Hampton, and Yukon Koyukuk.

Bag Calculator

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Association of Structural Pest Control Regulatory Officials (ASPCRO) Arizona Pest Professional Organization (AZPPO) Cellulose Insulation Manufacturers Association (CIMA) Florida Pest Management Association (FPMA) Georgia Pest Control Association (GPCA) Greater Hall Chamber of Commerce Habersham Chamber of Commerce Insulation Contractors Association of America (ICAA) New England Pest Management Association (NEPMA)
National Pest Management Association (NPMA) National Insulation Contractors Exchange (NICE) National Wildlife Control Operators Association (NWCOA) Pest Control Operators of California (PCOC) Professional Pest Management Alliance (PPMA) South Carolina Pest Control Association (SCPCA) Tennessee Pest Management Association (TNPMA) Texas Pest Control Association (TXPCA) Virginia Pest Management Association (VPMA)
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