Commercial Glass Block

We offer commercial glass block for the industrial, multi-family, commercial and institutional building markets.

For the commercial builder or architect, there are many benefits attained through the use of glass block in internal and external spaces:

  • Beauty and Versatilityglass block commercial windows
  • Security
  • Visibility/Light Transmission
  • Earthquake Resistant
  • Graffiti Resistant
  • Noise Resistant
  • High Impact Resistant
  • Energy Efficient
  • Fire Resistant
  • Hurricane Resistant
  • Sustainable Design / Supports LEED® Building Certification

Eastern Glass Block provides a variety of products and descriptive technical information which assists the commercial design professional in selecting and specifying Pittsburgh Corning Glass Block products.

Pittsburgh Corning stands behind all of its glass block by offering a limited five year warranty.

Commercial office walkway glass block

Beauty and Versatility

Extraordinarily versatile and available in many aesthetically pleasing sizes and styles, glass block offers virtually limitless design possibilities. Glass block walls, partitions and windows combine the delicate beauty and light transmission of glass with the strength of glass block.


When top architects need to add security to their projects, Pittsburgh Corning answers with a range of solutions from the Premiere Series, THICKSET® Series or VISTABRIK® Glass Block.

Energy Efficient

Glass block can provide more than double the thermal resistance (R-Value) of single-glaze 1/8″ thick plate glass. The differences between the shading coefficient of glass block and flat sheet glass is also significant. Click here to learn more about our Lightwise Architectural Systems Energy Efficient Glass Block Panels

Sustainable Design

glass blocks in commercial usePittsburgh Corning glass block not only supports LEED® building certification, it also contributes to sustainable design in other ways:

Safety and Security

  • Glass block is noncombustible
  • Glass block combines visibility with security


Glass Block Periodic Table



Environmentally Preferable Materials and Products

  • Glass block is made largely from sand, an abundant raw material
  • Glass block is recyclable
  • Glass block is durable
  • Glass block has low construction waste

Visual Comfort

  • Certain glass block products may help avoid glare
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