Windows & Doors
Foggy glass (between panes) or a crack
Likely cause, what to safely try first, and whether it gets worse if you wait.
Likely cause
A failed seal on double-pane glass, or impact damage.
What to try first
- Foggy glass is a seal failure, not dirt — cleaning won't fix it, only glass replacement will.
- Cover a cracked pane with clear tape/plastic temporarily if it's exposed to weather.
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