Home inspectors often come across thermal pane windows with broken seals
(this is when you see foggy type stains between the glass panes) but seldom see several inches
of water in them. This window was around 30 years old. What you can not see is a crack above
the picture line but the crack was on the interior. So the water was actually from
condensation of the interior moisture. There was no vapor
barrier in the basement crawlspace, and no cooking exhaust fan. These items
contribute to the amount of water vapor available to condense on the outer glass pane, which
then drips down and gets trapped between the two glass panes.
Photo provided by Bill Baker
The Inspection Company
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![[Photo of water filled thermal pane window]](/inspection-photos/brokenthermalseal.jpg "Photo of thermal pane window with water in it")