●
No other line of glass block is entirely North American-made, comes in
as many styles and sizes and is as reliable and widely available. There
is also no other glass block that has
Pittsburgh Corning's industry
famous quality control.
● Each
Pittsburgh Corning Glass Block is completely
computer modeled using the finest of raw materials, including pure
silica sand. After it's fired at 2,300 degrees F., each block undergoes
a slow strengthening process to ensure consistent colour, quality and
the ultimate in reliability.