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SCIENCE QUESTION #2

By KDESIGN
Created 12/31/2012 - 10:36

So then if the warm side of

by KDESIGN in reply to DanH [1] [original] [2] on Tue, 01/01/2013 - 07:42

So then if the warm side of the drywall will not be below the dewpoint of the warm air, the only way condensation will ocurr is if vapor diffuses into the drywall and reaches the dewpoint temperature inside of the drywall mass at some point.

Also, since the warm side of the drywall will not be below the dewpoint of the warm air, if that drywall surface were covered with polyethylene, no condensation would occur on it. 

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Source URL: http://forums.finehomebuilding.com/breaktime/energy-heating-insulation/science-question-2#comment-$cid

Links:
[1] http://forums.finehomebuilding.com/members/danh
[2] http://forums.finehomebuilding.com/comment/2232187#comment-2232187