Double pane windows are sealed and have nitrogen gas between the panes. If one pane is cracked, the nitrogen escapes and you have to replace the entire thing. Not just the sheet of glass that is broken.
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Greg
A pessimist is an optimist with experience.
"In my many years I have come to a conclusion that one useless man is a shame, two is a law firm and three or more is a congress." - John Adams
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