Double-glazed units are often referred to as (DGU's) double-glazed units or (IGU's) insulated glass units. Double Glazing consists of two pieces of glass with a spacer bar in between that creates an airspace, which is then sealed together producing a completely sealed insulated glass unit (IGU).
Tempering glass, laminated glasses, insulated glasses, curve glasses.
Glass sheets, tempered glass, stained glass, laminated glass, insulating glass units, glass hardware.