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How to Tell If Your Windows Have Failed Seals
How Seal Failure Shows Up In Real Homes Seal failure usually means the edge bond between insulated panes has broken down, which lets air and moisture enter the space between the glass. That is why the problem often shows up as fogging, haze, or a cloudy look that you cannot wipe away from either side. If you see moisture trapped inside the sealed unit, that is one of the clearest signs the seal has failed. After that happens, the pane loses part of its insulating valu
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