... Thickness 5mm+9A+5mm,6mm+12A+6mm double(triple)glazingSealantEPDM, PVC,Silicone SealantHardwareChinese Kin Long, Greman Roto, Siegenia, Italian Guise, ... ,better in energy-saving and comprehensive after-sale service.A.Adopt 14.8mm or other type heat insulation strip ... with high performance heat preservation, heat insulation .C.Sash width ≥300mm;Sash height≤2400mm;Weight of window sash ≤250kg.D.Side frame ...