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About: R-value (insulation)     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Substance100019613, within Data Space : dbpedia.org associated with source document(s)

Type: Thingyago:Abstraction100002137yago:Insulator114821590yago:Material114580897yago:Matter100020827yago:Part113809207yago:PhysicalEntity100001930yago:Relation100031921yago:WikicatInsulatorsyago:Substance100019613 New Facet based on Instances of this Class

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. R-value is the temperature difference per unit of heat flux needed to sustain one unit of heat flux between the warmer surface and colder surface of a barrier under steady-state conditions.