 ##  [Joint Sealant Failure](/joint-sealant-failure) 

  ##  [Joint Sealant Failure](https://engineering.quantumdictionary.io/joint-sealant-failure-0) 

  
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**Engineering &amp; Applied Technologies Dictionary**

 
Definition

Breakdown, detachment, penetration, or loss of elastomeric function of a perimeter or interface sealant that causes a loss of continuous weatherproofing, airtightness, or capacity to accommodate designed movement at a building joint or interface.