Application of polycarbonate sheet infrastructure 1.roofing for carport, airport, stadium, mass transportation station, party halls, auditorium, covering between building, swimming pool closures, balcony, industrial and storage roofings with natural light harvesting 2.compound wall gate , indoor/outdoor decoration 3.sound barrier, partition walls 4.canopy Awning , walkways, bus stop, waiting halls 5.green house 6.door and window glazing 7.excellent day light product