I am searching for a way to explain this to otherwise seemingly intelligent humans without raising my voice and screaming at them. I just got off the phone with a Window Contractor who can not understand this concept to save his life. I have known him for 30 years and have explained this 100+ times as well as to his customers. I had another customer for whom I tinted 2 panes, 45x755, with a DR 35. The glass has a light gray smoke color to begin with. His complaint was that you can still see in at night and the glass was reflective on the inside. The glass with no film was mirror like at night. It could be due to all his walls being white or mirrors. It could be because he had more halogen lights in a small room than Lowes. I've spent more time on the phone and even made a nighttime house call to try to explain this mysterious phenomenon of physics that he never notice in his 68 years of existence. I left saying, you can't understand the professionally written data sheets, you can't understand anything I say, you can't understand what you are seeing with your own eyes, then I can't help you. He was a chronic interrupter so I literally had to tell him to shut up and listen.
If anyone has found a way to explain this better, I'd love to hear it.
measure2x got a reaction from DougW in Application for nighttime privacy