What accessories are available and how do I get them?

Pittsburgh Corning offers a J channel, brick mold and mullion accessories. These are available by calling the Customer Support Department at 800/245-1217.

Can you replace an individual glass block?

Yes, Pittsburgh Corning Corporation offers a free LightWiseŽ window repair kit by calling the Customer Support Department at 800/245-1217.

Can I install a series of LightWiseŽ windows in an existing frame?

Yes, remove the adjacent nailing fins (using a utility knife) of the two LightWiseŽ windows and install the mullion cap design to cover the seam.

What is the R-value for the LightWiseŽ windows?

LightWiseŽ windows have an R-value of 1.92 which equates to a double pane window.

What are some other physical properties of the window?

Installed Weight

9.8 pounds/square foot

Light Transmission


Sound Transmission


Do LightWiseŽ Windows have a warranty?

The glass block panel assembly and window frame are covered by a ten (10) year limited warranty. Included in the warranty are manufacturing defects, frame chipping, cracking, peeling, pitting, and blistering. The window panel is warranted against leaks, discoloration, and separation.


Glass Block Creations, Inc.
1 - 515 - 251 - 6562
Email: info@glassblockcreations.com