The symptoms of failed or broken window seals are easy to spot. The multi-pane thermal glass window can develop things like condensation or fogginess that can't be wiped off from either side of the window. The cause is a failure in the edge seal that secures the individual panes of glass.
If you notice a window seal failure, you have a few options. Read on to see what you can do to fix it or if it can be left alone.
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