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. Our home is about 50 years old. We have tried many different solutions to combat a problem with leaking around the glass-block windows. After a heavy rain, we notice water-drip marks on the blocks.

Aliza Vigderman is an Advisory Board expert for Forbes Home. As a freelance writer and editor, Aliza has contributed to publications such as AutoInsurance.com, MSN, Security.org, The Huffington Post, ...

Dear Jim: 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 ...

Dear Jim: 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 ...