Cotton Armor Blanket Insulation


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Tested STC ratings 53-62 Depending on wall configurations

Department of Energy Total R-value Recommendations

2008 U.S. Department of Energy
R-value Recommendations for New and Existing Homes



The following 2008 Department of Energy zone recommendations are based on comparing estimated future energy savings to the current cost of installing insulation. The DOE gives a range for many locations for the following reasons:


  • Energy costs vary greatly over each zone

  • Installed insulation costs vary greatly over each zone

  • Heating and cooling equipment efficiency varies from house to house

  • Best estimate of future energy costs may not be exact.1


Department of Energy Recommendations

For references and more information, see:




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"For every house is built by some man; but he that built all things is God."

— Hebrews 3:4