CPV Chart Thread, page-4731

In that video above, Victor mentions the comparison in quality to a Low E Glass Window.

As just a quick Google search to find what size a random maker makes that Glass Grade shows 3.6m x 2.4 m Glass size is possible with that grade of glass. Source link, open and scroll down for max sizes of that grade glass.

http://www.temperedsolarglass.com/s...with-fine-polished-edge-sample-available.html

But with all things there will be ways to achieve whatever is required in Architecture, There is always a way, thats why so many Engineers exist, to find solutions to requirements.