... coating 4)Short delivery 5)OEM acceptable corrugated polycarbonate sheet:Specifications: MaterialBayer,Lexan,TeijinWidth1220mm,1560mm,1820mm,2100mmLengthNo ... : 4mm-27dB,10mm-33dB Applications: 1) Roofing skylight for office building, department store, hotel, stadium, school, ... botanical gardens.6) Swimming Pools roofing/cover/sheet7)lighting for corridors, balcony, passages and subway entries, walkways. ...