The glass block window panel sits on the block or concrete wall and is held in place with mortar and caulk. When it comes to basement windows, there’s nothing more practical than glass block windows.

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 ...

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 ...