[BLDG-SIM] dew point and moisture control in walls

[Thomas White]

Alpana,
 
You might try MOIST, a free software program you can use to calculate
temperature profiles and dew point in wall assemblies. Check out this URL
for details:
 
 <http://www.bfrl.nist.gov/863/moist.html> www.bfrl.nist.gov/863/moist.html.

 
MOIST is a one-dimensional, steady-state analysis, and there are other
considerations that have to be taken into account when analyzing dew point.
Among them are; seasonal and diurnal variation in wall temperature and RH;
the edge effects of studs, windows and framing; the dynamics of wetting and
drying in a cavity; and how a vapor barrier is used. 
 
...Tom
 
Thomas J. White, P.E.
Lead Engineer, Energy Services

 <http://www.glumac.com/>  
  _____  

320 SW Washington, Suite 200
Portland, OR 97204-2640
T.  503.227.5280  F. 503.274.7674  D. 503-345-6246

Thinking. Inside the building.
 <http://www.glumac.com/> http://www.glumac.com
 
 
-----Original Message-----
From: Alpana Jain [mailto:ajain at setty.com]
Sent: Tuesday, July 12, 2005 2:19 PM
To: BLDG-SIM at GARD.COM
Subject: [BLDG-SIM] dew point and moisture control in walls



Hi,

 

I was wondering if there is some way of modeling the effect and extent of
the vapor pressure, dew point and condensation within walls? 

 

Alpana



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