Dear Robert:
Condensation between the two layers of glass simply means you have lived
long enough for a leak to have developed in the seal between the two panes of
glass, or in some cases, moisture has failed to exit through the vents provided
for that purpose.
Some of the more expensive windows, such as Pella, have some models which
allow for opening one side in order to clean between the two panels, while
other models simply attempt to seal the edges so that no air can enter.
Some companies have a warrantee for a set number of years, against the
fogging problem you are describing, so you might check on that, if the windows
are not ancient.
Unfortunately, it has been my experience that most insulated windows will
fog up, given enough time. We are on our third set of glass doors which permit
a person in our living-room to see mountains all the way down to Georgia, on
a clear day. My wife became unhappy when her view was blocked by the fog
between the panels The first two sets were the sliding glass variety, but we
now have the French style which hopefully will last longer.
An errant stone from a lawn mower solved this problem for my brother, on
one of his sliding door panels. Breaking out one of the two panels will
definitely resolve the problem, although you loose the insulating factor.
Yours Truly,
Clifford Wilson.
----- Original Message -----
From: Robert Riddle
To: [email protected]
Sent: Friday, June 13, 2008 12:49 PM
Subject: [BlindHandyMan] window condensation
What does it mean when there is condensation between the panes of a double
paned window?
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