If I recall correctly, standard glass block is not usually load bearing. Or at least that was always the impression I was given - that you needed other support members to hold the main weight. This stuff is as strong as regular concrete block, as the glass fibers do not weaken the mix.
When we were building, I wanted a row of glass block as a backsplash above the counter with the kitchen sink, which is an outside wall under the back porck. It would have made a wonderful night-light on the porch and let in lots of natural light during the day. The blocks existing at that type were not load-bearing and it would have cost a lot more to pour an additional lintel, so we used the ordinary concrete blocks. Maybe with this new invention someone somewhere can have my backsplash now.
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