1.Material: Hand-forged using 12 gauge steel and 5/8 inch scroll work,they are pre hung and tested for quality assurance. 2.Jamb&Frame: Thickness:2"• 6"(equal to 50• 150mm). Brackets on door jamb allow for easy installation. 3.Glass:Clear Int.,+Rainstorm Ext.(5mm+9A+5mm=19mm thickness). Operational hinged tempered double-pane glass is hinged and opens for ease of ventilation and cleaning. The operable glass is held and released with a latch. They are primed and painted with a faux finish. There are no visible welds. Heavy duty foam weather stripping is installed on all doors to prevent leaks. 4.Color: Aged Bronze 5.Insulation: Our doors are injected with polyurethane foam for insulation.