That "glass" looks like it might be white powder-coated perforated aluminum to me. Above that it's glass for sure, but below that, I'm not sure that's frit we're looking at.
The third condo development to be built at the Shops of Don Mills is still to be completed. Here's how it looked on the weekend, starting off with the view past Liv Lofts (2015) and Reflections (2014):
I really like the sweeping lines meeting up with an orthogonal wall.
When you get up close, you see that the balcony guards are in fact perforated aluminum. The holes are smaller in front of the slabs.
The backside, facing the service lane of the Shops at Don Mills.
Now if only CF could take some of this, and apply it to some of their shopping malls and office developments instead of plastering the CF name all over those developments and calling it a day.