[Greenbuilding] Water Barrier

Corwyn corwyn at midcoast.com
Fri Mar 1 09:46:16 CST 2013


A water barrier is designed to keep *liquid* water on one side of it.  A 
vapor barrier is designed to keep *gaseous* water on one side of it.

Often a water barrier is purposefully made to NOT be a vapor barrier. 
The common example is gore-tex clothing.  It keeps the rain out, but 
allows the vapor of evaporated sweat from the occupant to escape.


Thank You Kindly,

Corwyn

-- 
Topher Belknap
Green Fret Consulting
Kermit didn't know the half of it...
http://www.greenfret.com/
topher at greenfret.com
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