... redundancy5)Sound insulation6)heat insulation7)Light transmissionApplications:1)Roofing light sheet and sunshade for office, department store, hotel, stadium, ect ... passages and subway entries, walkways.3) Do-It-Yourself (DIY), awning, canopy.4) Advertising lamp boxes, sign board.5) Anti-riot ... gardens.7) Industrial Roofing and Glazing8) Swimming Pools roofing/cover/sheet pc sheet use for advertising