No matter which Corning Glass glass block pattern you select, or where they're installed... basement, entryway, kitchen, bathroom, family room, living room... they will add distinctive visual appeal. Corning Glass windows and panels made with glass block use natural and artificial light to produce beautiful and dramatic effects. Enhance the security of your home by turning any high-risk window into a safe, secure window. Keep out unwanted views, energy-wasting drafts and uninvited guests. When it comes to building materials that are affordable, practical and decorative, nothing else comes close.