(Quoted from Sign & Digital Magazine. Full Article Here.)

The first window films were invented by 3M in the 1960s. They were (and still are) clear or tinted adhesive backed products that allow viewing through the film with a minimum amount of distortion. The original films were dark and not all that transparent. Digital printing has added a whole new dimension to the world of window film. A variety of print media designed for use on windows has proliferated in our industry. There are films for mounting on the inside of glass and films for mounting onto the outside of glass. There are films that are opaque, translucent or transparent, and films that are permanent or removable. Let’s review some of the basics. 

Click here to read the full article from Sign & Digital Graphics