Dual pane (double glazed) tempered sound and heat proof insulating glasses (5mm + 6mm air + 5mm = 16mm which is 5/8")

Hinged glass frame with heavy duty steel thumb release latch. Glass panels are movable, for you to clean the glass easily and talking to the strange visitors, while keeping him or her outside your house.

Heavy duty weather striping and rubber seals around jamb, door panels and glass frames, to keep all rain and winds outside your home.

Injected polyurethane foam per door jamb, door panels and threshold, which helps to lower your heating and cooling costs, and make your home really energy efficient.

Anti-rust treatment: Sand blasting, epoxy primer, black finish painting, hand paint faux antique color, protective clear matt lacquer.