... completed set in steel, 1.2mm, 1.5mm, 2.0mm, 2.5mm thickness U form galvanized Steel, the surface ... as decoration. 7.Sealing system:rubber sealing strip-EPDM, black color, good quality.8.Frame material:Aluminum or PVC ... Thickness:0.8mm,1.0mm,1.2mm,1.5mm,2.0mm,2.5mm,etcRubber GasketEPDM,Or Normal rubble.GlassThickness: Single ... etc Double glazing:4+16A+4mm,5+9A+5mm,5+6A+5mm,6+12A+6mm,etc Triple glazing:5+ ...