Q: I have three windows with glass that's either cracked or fogged. These windows, original to my early 1980s house, are double-hung and framed in wood, with vinyl on the frame and a string-type ...

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 ...