| Real glass block windows and acrylic block windows may look similar at first. But over time, the differences become all too clear as acrylic block windows can become cloudy, scratched, faded, or cracked. And that's just from using ordinary household cleaners. So do you really want to risk using acrylic block in your next project? |
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| On the other hand, pre-fabricated LightWise® Windows with real glass block have somewhat simpler care instructions: Install. Enjoy. There is no substitute for real glass block. Pittsburgh Corning has been helping top builders and architects enhance their projects with real glass block since 1937. |
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The unsurpassable privacy, beauty, and strength of Pittsburgh Corning
Glass Block is now available in pre-assembled, vinyl or aluminum clad wood frame windows. LightWise® Windows are a wise choice when you want the beauty and durability of real glass block with less installation hassle. By starting with Real Pittsburgh Corning Glass Block, which will not burn or discolor, LightWise® Windows give you a combination of features you won’t find in any other glass or acrylic block window. And now LightWise® Windows are even lighter thanks to our new 2” thick glass block. LightWise®
windows will revolutionize the way Pittsburgh Corning Glass Block is specified,
ordered and installed for residential applications. 
