... steel not less than 1.2mm, the surface after galvanized anti-corrosion processing6.Glass:single glazing(4mm,5,6,8,10 ... Ecofriendly; Sound and Heat insulation; Good air and Water proof; Anti-aging and Easy maintainance.PVC profile1, Chinese Top Trademark, The Mix ... Tropical Profile, High Anti UV, The Wall Thickness is 2.50 mm. 2, Germany ...