Dear James: There have been break-ins in my neighborhood, so I want to install glass block windows for security. This will result in an extremely strong window that would take a thief a long while to ...

Dear James: It would be easy for a thief to break through our utility-room window. I think a glass block window would be better. Is it difficult to install a mortar-type glass block window or is a kit ...

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 ...

When replacing basement windows, most people now consider glass block. It's a good insulator, secure, and waterproof. It lets light in, but obscures visibility from the outside, and can incorporate ...

Q: I am considering installing glass block windows on some first floor ones for security. Is the solid glass energy efficient and can I have some summertime ventilation with them? A: From a security ...

Q: My house needs more efficient windows. I live alone, so I am considering some glass block windows for security. Are they very efficient and how can I have some summertime ventilation with them? A: ...

Over the years the window above a bathtub in an older home succumbs to exposure to moisture and its wooden frame and sill rot away. Replacing the window with a glass block unit designed for the job is ...