Lock Up Safely with Double Glazed Sash Windows It’s more likely to force entry through sash windows with just one layer of glass. The extra pane in double glazing makes it tougher. You get peace of mind when thicker panes are installed. Block Out the Noise from Nearby Roads https://holdennqqqj.p2blogs.com/33688664/things-to-know-before-you-upgrade-your-sash-windows-with-double-glazing