Broken Seal On Double Pane Window -

The most common symptoms of seal failure are often visual, but some require a closer look or a simple "test." How Can You Tell If A Window Seal Is Broken

As they watched, the fogging began to clear in some areas, only to reappear in others, like a slow-moving mist. It was as if the window was breathing, exhaling and inhaling the moisture from the air.

This is the telltale signature of a broken seal on a double-pane window. While it is a common household issue, understanding what it means for your home’s efficiency, aesthetics, and wallet requires a deeper look into the mechanics of modern glazing.