bn:01885436n
Noun Named Entity
Categories: archived copy as title, Building engineering, Building insulation materials, Customary units of measurement in the United States, All articles with vague or ambiguous time
EN
R-value  Building heat-loss factor  insulating value  insulation value  RSI
EN
In the context of construction, the R-value is a measure of how well a two-dimensional barrier, such as a layer of insulation, a window or a complete wall or ceiling, resists the conductive flow of heat. Wikipedia
English:
unit
Definitions
Sources
EN
In the context of construction, the R-value is a measure of how well a two-dimensional barrier, such as a layer of insulation, a window or a complete wall or ceiling, resists the conductive flow of heat. Wikipedia
A non-SI measure of thermal resistance used in housing insulation Wikipedia Disambiguation