Over the years the window above a bathtub in an older home succumbs to exposure to moisture and its wooden frame and sill rot away. Replacing the window with a glass block unit designed for the job… ...

Historically, one of the most common reasons to install glass block windows was for privacy. The thick glass is translucent, letting light through but blocking passersby from seeing clearly inside.

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 ...

I think glass block windows would be more secure. Are they efficient, and can I install them myself?

Q–I want to replace a bathroom window. There is now a double-hung window with a storm window, and I would like to install window blocks and an exhaust fan. Can you give me the pros and cons and ...

Dear Amy: Glass block windows are definitely more secure than standard double-pane glass windows for several reasons. Although it is possible to hammer one’s way through a glass block window, it ...

Both glass and plastic blocks now have high-efficiency features of regular windows. For example, low-emissivity coatings are deposited on the inside surface of the block before it is fused together.