Glass blocks make strong, attractive walls and windows that are easy to maintain and keep clean. The blocks are made of two sections of pressed glass fused together with a partial vacuum between ...

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 ...

Dear James: There have been break-ins in my neighborhood, so I want to install glass block windows for security. What are some tips for installing mortar-type glass blocks?