The external french door is expertly crafted with thermal break technology, providing superior insulation and energy efficiency. With this customized french door, you'll experience a significant reduction in heat loss and save on energy costs. GID iron french doors provide an elegant, contemporary design to any home. They are all crafted from durable iron to last for years to come. Glory Iron Doors provide multiple choices for size, finish, glass, door top design, transom & sidelight, handle & locks. You are the designer of your dream door and we make it happen. DESCPTION & DETAILS Material: Standard door jamb and slab are made with heavy-duty 12-gauge steel. Finishes: 7 coats of paint on top of zinc galvanized steel to prevent iron doors from dust & rust. Scroll Works: 5/8” solid decorative scrolls 100% hand forged by our expert artisans. Jamb: Standard 2" x 6" jamb injected with high-density polyurethane foam for energy saving. Glass: All standard exterior iron doors come with dual pane tempered glass 5/8” for great safety. Glass Window: Operable glass panels on certain styles that can be opened independently from the doors for easy cleaning and ventilation. Thermal Break: Low conductive material acted as a barrier in the frame to reduce the flow of heat. All standard doors can be upgraded to thermally broken which is a good choice for severe cold winters. Installation: All our doors come pre-hung for your easy installation. Custom Service: We provide multiple and flexible custom options on size, finish & glass. Pls contact us at info@gloryirondoors.com if you have your own design.