... sheet features:1.light transmisson 2.thermal insulation 3.sound insulation 4.uv protection 5.easy ... reduce the energy consumption and therefore energy costs.3, Fire RetardancyAccording to GB8624-1997 the fire retardant ... 1.2mm,1.5mm,2.0mm,3.0mm,4.0mm,4.5mm 6.0mm,8.0mm,10.0mm,12.0mmLength(mm)Thickness≤4 ... , cellar,arch roofs and commercial green houses.3.Roofing for waiting rooms and passageways in modern ...