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en.wikipedia.org/wiki/R-value_(insulation)

The R-value is a measure of thermal resistance, or ability of heat to transfer from hot to cold, ...... Jump up to: Energy Saving Trust. "CE71 - Insulation materials chart – thermal properties and environmental ratings". Energysavingtrust.org.uk.

www.greatdayimprovements.com/insulation-r-value-chart.aspx

Feb 6, 2013 ... How to calculate the R-value of you home and what the value means. Insulation values based on location and heat type (helpful charts ...

www.energystar.gov/index.cfm?c=home_sealing.hm_improvement_insulation_table

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 ...

energy.gov/energysaver/insulation

An insulating material's resistance to conductive heat flow is measured or rated in terms of its thermal resistance or R-value -- the higher the R-value, the greater ...

structall.com/pdf/RValue_Chart.pdf

R-Value Chart. OSB. Thickness. (inch). R-Value. 3/8. 0.45. 7/16. 0.51. 1/2. 0.62. 5/ 8. 0.74. 3/4. 0.91. Plywood. Thickness. (inch). R-Value. 1/4. 0.31. 3/8. 0.47.

insulationinstitute.org/im-a-homeowner/about-insulation/how-much-do-i-need

What you see: What it probably is, Depth (inches), Total Insulation R-value ... Chart courtesy of Energy Star ... Higher R-values mean greater insulating power.

www.archtoolbox.com/materials-systems/thermal-moisture-protection/rvalues.html

In the chart above, you will notice that there are two vastly different R-values provided for insulated metal doors with polyurethane insulation. Based on ASTM  ...

www.homedepot.com/c/insulation_r_values_HT_PG_BM

This Home Depot Insulation R Value guide explains why adding insulation to your ... The map and chart shows each region of the U.S., the subsequent zones  ...

www.greenbuildermedia.com/blog/insulation-r-values-chart

Jan 21, 2015 ... This chart shows the approximate R-value per inch of various insulation products.