Dear Jim: I want to replace some old single-pane, first-floor windows with glass-block windows for security. Are they as efficient as other new windows, can they be opened and can I install them ...

I received a call from a regular reader this week, asking how to replace a rotten window sill. I said, “I’m not sure if I can articulate the detail involved in a written article.” I told him I would ...

The windows install from the inside. Give yourself at least half a day to install the first unit. Once you’ve learned the steps, the second retrofit window installation will go much faster. The post ...