Insulated Glass Units (IGU) Insulated glass units consist of two or more panes separated by a spacer and sealed with air or gas in between for superior insulation. Features:Reduces heat transfer and saves energyExcellent sound insulationMinimizes condensation Specs:Thickness: 20 mm to 50 mm (customizable)Fill: Air, Argon, Krypton Applications: High-rise buildingsResidential complexesAirports and hospitals