http://kannikar.net/Education/use-opaque-window-film-to-create-total-privacy/ If have a flat-bed scanner, you want the positive side DOWN, facing your window. Properly installed tinting has additional good thing about strengthening the glass. However, there is good reason to take things a step further and have the glass tinted. Fri, 08 Aug 2025 10:56:27 EDT en