Nah, Lexan is like a flexable acrylic, as each gets thicker they get stronger, up to bullet proof. They use it in banks, limo's, race cars etc. When they want insulation properties they go with layers . The thin films provide uv, uva, uvb protection and kept the store front items from fading. I think now, they also have security features with the films where they 'detect' intrusion, break ins etc. Some can even turn frosty with a small electric charge for privacy.