Introduction: How to Gel Windows, Coke Method

About: I do cinematography and lighting. I make a neat little lighting gizmo that makes small LED lighting fixtures look better, called an Airbox. I have a lighting tips twitter feed and blog. @airboxlights, airbox…

Shooting day interior with tungsten lighting?
You need to gel the windows so the color of the  light coming in matches the tungsten lights that you're using inside. 
You need it to look good, as if it hadn't been gelled at all, with no big ripply reflections of the interior lighting. 
You need it to stay up for a while, like weeks or months?

Then this instructional is for you.  This is the technique used on most of today's top reality shows, where the lighting crews need to gel out whole houses for extended timeframe shooting. As seen on Top Chef, apprentice, She's Got the Look, Jersey Shore, Work of Art, and many others