Air Barrier versus Vapor Barrier

By Delta Adsorbents on 4/20/2016

Vapor barrier film to control moistureIt is a misconception that vapor barriers and air barriers are intended to perform the same job...not so.  By definition a vapor is a substance which is suspended within the air i.e. moisture, thus to use a vapor barrier on area that requires moisture to pass may instead trap moisture where it is not desired. 

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