Add Yahoo as a preferred source to see more of our stories on Google. Green plants and shelf in front of glass block windows - Ina Smirnova/Getty Images Glass block windows were trendy in the 1980s, ...

Have you ever wondered if glass block windows are going out of style? After all, they've been around for ages and are sometimes associated with more dated designs. However, these windows actually ...

Dear Jim: 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 ...

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: ...

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: ...

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 ...

Contradicting the industry trend, Hy-Lite/U S Block Windows recently moved all their Hy-Lite vinyl extrusion purchases and acrylic block manufacturing out of China and back into the United States.

If you’ve been in Pittsburgh for more than a few hours, you’ve definitely seen them. They’re in basement, bathroom and kitchen windows, of course — odds are you have one in your house. But they also ...