Well it's one to one, it's a single pane of this stuff to a single pane of traditional glass. Nothing says you can only use a single pane of this new material.

Well it's one to one, it's a single pane of this stuff to a single pane of traditional glass. Nothing says you can only use a single pane of this new material. Someone mentioned that this isn't weatherproof, but it could still be used for the inside plies of a triple glazed window for instance.