Insulation R Values

	R-value (insulation) - Wikipedia, the free encyclopedia The R-value is a measure of thermal resistance used in the building and construction industry. Under uniform conditions it is the ratio of the temperature difference ... en.wikipedia.org/wiki/R-value_(insulation)
	Energy Savers: The R-Value of Insulation The R-Value of Insulation. An R-value indicates an insulation's resistance to heat flow. The higher the R-value, the greater the insulating effectiveness. www.energysavers.gov/your_home/insulation_airsealing/...
	Insulation Fact Sheet - Oak Ridge National Laboratory Contents: Introduction. Why Insulate Your House? How Insulation Works Which Kind of Insulation is Best? What Is an R-Value? Reading the Label ornl.gov/sci/roofs+walls/insulation/ins_16.html
	Insulation R Value - Chart, Comparison and Recommendations Insulation R value per inch and map for rigid insulation, spray foam insulation, fiberglass, batt, cellulose, wall and attic insulation. insulationrvalue.org
	Recommended Levels of Insulation : ENERGY STAR Insulation level are specified by R-Value. R-Value is a measure of insulation’s ability to resist heat traveling through it. The higher the R-Value the better the ... www.energystar.gov/index.cfm?c=home_sealing.hm...

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