There are many styles and options from which to choose. There are attractive colors and patterns in plastic and glass, in individual blocks, kits and carry-install units for use in both windows and freestanding walls (in both straight and curved designs).
Glass blocks also are energy-efficient. Much like double-pane thermal windows, they have a vacuum-filled space that insulates.
Beyond their beauty, versatility and efficiency, they also offer security against break-ins. Solid bulletproof glass blocks are available; they are virtually indestructible. There are inserts for ventilation, too.
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