Imagine this: You’re taking one of your wood double-hung window sashes out of its frame when suddenly and violently, the ...

That’s the principle of double-glazed (aka double-pane) windows. A double-glazed window comes pre-manufactured in a frame of ...

Learn how to choose replacement windows for your home with advice on window types, installation, features and brands including Andersen, Marvin, and Pella.

The method doesn’t suit most aluminium frames, and if your windows are the double-hung type, it can be tricky (though not impossible) to remove and replace the glass. Secondary glazing Helen ...