Hard To Find Glass Block

Pittsburgh Corning Corporation produced glass blocks from 1937 and remained the only domestic manufacturer in North America for decades. Their wide range of patterns, styles, and sizes was designed to work seamlessly in any project as part of a complete system. The company began with the DECORA® and ARGUS® being the first glass blocks made at their Port Alleghany plant.

In 1958, they introduced rectangular glass blocks, followed by color-coated options. By the late 1970s, they planned to end production, but demand from architects led them to continue. The 1980s saw a strong comeback in residential use, prompting the release of the Hedron Glass Block. This allowed for walls to connect at 90-degree angles and became a popular choice for building shower enclosures and partition walls. By the end of that decade, Pittsburgh Corning also launched the EndBlock.

Clear crystal blocks from Pittsburgh Corning were well-known for providing excellent visibility and meeting ADA guidelines in enclosed areas. With a variety of sizes and designs, Pittsburgh Corning Glass Block offered nearly endless design potential. When the company closed its office and warehouse in Pittsburgh, PA, in 2016, GBA, one of their largest distributors, acquired the remaining inventory. Today, GBA continues to offer the largest remaining supply of Pittsburgh Corning Glass Block for sale.

Trusted Glass Block Manufacturers

Partner with leading glass block manufacturers for high-quality, durable, and stylish solutions tailored to your needs.
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Thinline® Series Glass Block

The Thinline® Series (3" Nominal Thickness) is specifically designed for panels of limited size and applications where weight is a consideration.  Decora thinline glass block is the most popular block pattern in this series as it is known to provide maximum light transmission with subtle visual distortion.  

Premiere Series Glass Block
High Performance Glass Block
Glass Block Shapes
Glass Pavers
Metric Glass Block
  • 1919/8 Weck Green Nubio 
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The GBA Advantage

GBA is an installer of glass block applications ranging from glass block pavers to glass block systems engineered for security and detention centers, hurricane resistance, fire resistance, blast resistance, and even tornado resistance. We have been installing glass block and walkable glass floor systems for over 35 years all across America. In addition, we have supplied glass block and glass block floor panels across the world to create dramatic design elements at Coach stores worldwide.

To discuss the possibility and advantages of incorporating GBA Structural Glass flooring or glass stair treads into your new construction or a remodel, contact one of the three numbers listed below or contact us to fill out our contact form.

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Midwest: 877-280-7700

East Coast: 212-255-5787

West Coast:213-634-7050

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