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: 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 ...

Dear Nina: Complete glass block window installation kits are available, but it is not difficult to do it yourself using individual glass blocks and mortar. This will result in an extremely strong ...