In addition to privacy, i need a film that will cut down on the light coming through the windows. What is the light % that is blocked from this film? In general is there a film that will block up to 8

This material allows up to 80% of light to pass through. If you are wanting a material that will block up to 80% please take a look at our frosted materials here: https://www.decorativefilm.com/plain-light-diffusing