 ##  [Thermal Bridging](/thermal-bridging) 

  ##  [Thermal Bridging](https://engineering.quantumdictionary.io/thermal-bridging-0) 

  
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**Engineering &amp; Applied Technologies Dictionary**

 
Definition

A localized conductive path through a building envelope or assembly—formed by materials, joints or penetrations—whose thermal conductivity significantly reduces the intended thermal resistance of the assembly and increases local heat flow compared with surrounding insulated areas.