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 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: ...

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? Glass ...

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 ...

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 ...