The Materials Book

310 A Transparent Solution: A film that plays with light and keeps the heat out Privacy film can create opacity, transparency, or reflection, depending on where the light source is located. And adding it to a single-glazed window can double the insulation, making it almost as effective as a double-glazed window at a fraction of the material and monetary cost. By reducing cooling and heating loads, the film can serve as an alternative to installing new windows or HVAC systems in existing buildings. Example: Privacy film by 3M, seen in Aesop Wynwood, Miami, FL Contributed by: Frida Escobedo, Mexico

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