🌐EnglishEnglishEspañolNederlandsPolskiPortuguêsTiếng ViệtРусскийالعربية中文日本語EntityQ3361425· pop 7· linked from 113 articlesR-valueAlso known as RSI-valuemeasure of how well an object, per unit of area, resists conductive flow of heatAvailable in 7 languagesEspañolРусскийPortuguêsالعربيةMalayalamTiếng Việtvia Wikidata sitelinks · CC0Connectionsthermal insulationEntityinsulated glazingEntityCategoriesBuilding engineeringBuilding insulation materialsCustomary units of measurement in the United StatesHeat transferInsulatorsNorth America-centricThermal protection