Windows can be of two different types:
- Single Pane
- Dual Pane
The Dual Pane being the most energy efficient but also the most costly to maintain. These windows are prone to leaking / fogging.
All windows need to have the top outside edge of them resealed with a layer of silicone periodically but checked annually. If not checked these can be a water entry point because the silicone over the top of the window has failed.
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