Why Window Seals Fail
Do your current windows have condensation problems? Are there beads of moisture running down between the panes of glass? Both of these are indications that your windows have seal failure. Visible fog, moisture, or condensation are all signs that the window unit has simply reached its threshold to absorb moisture.
What is it that causes window seal failure? There are a number of things that can lead to it, but I’ll touch on the most common causes.