TEX•COTE® COOLWALL® does not work by an insulation process; thus, it does not have an R-value. R-value is simply the resistance of heat flow. Instead, TEX•COTE® COOLWALL® reflects the infrared energy from the sun, so that the wall does not become as hot initially. This substantially reduces the amount of heat that the fiberglass or other types of insulation need to keep out. By increasing solar reflectivity in the entire color spectrum, TEX•COTE® COOLWALL® can reduce surface temperatures and cooling costs.