klingsdesigns
New Member
Might be a stupid question. But I know you cant tint with normal tint on the inside of a double pane window. So I have a customer that is trying to block sun and heat coming in on a gym. They want all the windows wrapped with a design. I know you can do it with perf, but can you just lay 3m 40c on the exterior of the window and not have any problems? Never covered the entire windows of a whole building before. Not sure how much either of them will help with heat and sunlight.