Q.I am concerned about the security and efficiency of some of my old single-pane, first-floor windows. I think glass block windows would be more secure. Are they efficient and can I install them ...

Q: 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 myself? A: ...

Have you ever wondered if glass block windows are going out of style? After all, they've been around for ages and are sometimes associated with more dated designs. However, these windows actually ...