DETAILED NOTES ON RETROFIT WINDOWS

The frame consists of spacers that maintain the panes separated by 1 / 4 to half an inch. Producers commonly replace the air within the gap with an inert fuel like argon, xenon or krypton.That means the window is double-glazed, which is a superb thing. But Additionally, it implies the gap involving the panes is not sealed, and that’s undesirable.