Polycarbonate sheet features:1.light transmisson 2.thermal insulation 3.sound insulation 4.uv protection 5.easy install. Polycarbonate sheet for greenhouse applications: 1. Roofing light sheet and sunshade for office building,amusement center,hotel,stadium.2. skylight,lighting for corridors ,balcony,passages and subway entries ,walkways.3. Advertising lamp boxes ,signboard .4. Conservatories , ...