The film is cut and shaped to the window from the outside, then applied inside to the inside of the window.
For a car 40% on the front doors, 25% on the back doors, and 12% on the back glass. For trucks and SUV's the same applies except for there is no limitation to the back glass.
The percentage is based on how much light the film allow through. The lower the number the darker the film.
No, the metal strips are so thin the film can lay over them.
Yes, provided the product does not contain ammonia.
Yes, but there is a possibility of the glass getting too hot and breaking.
Yes, but the darkness of the film is limited.