The glass of DERCHI doors and windows is manufactured by Hong Kong Xinyi Glass (stock code :HK0868), and the production standards are strictly controlled to ensure the safety and beauty of the glass. Choose us, not only choose a door and window, but also choose a clear, safe and comfortable living experience.
DERCHI door are designed and built for optimum performance using the latest energy saving technology, providing maximum savings in any climate. They are the most energy-efficient dual-pane replacement doors in the industry with high performance insulated glass systems that exceed Energy Star requirements.










| SERIES | S19 Series Aluminum Casement Window with flyscreen |
|---|---|
| BRAND | DERCHI |
| PROFILE | 6063-T5 thermal break aluminum profile |
| THICKNESS | 2.0 mm aluminium thickness |
| AVAILABLE SIZE | Opening Panel: Width 350-750 mm / Height 400-1600 mm Each fixed panel ≤ 12m² |
| GLASS | Double Tempered Glass 5mm+27A+5mm Triple tempered / Laminated / Low-E / Reflective / Tinted Glass |
| MIDDLE HOLLOW | 5MM+27A+5MM |
| HARDWARE | Germany brand WEHAG / American brand CMECH |
| SURFACE TREATMENT | Powder Coating, Anodized, Wooden Grain, PVDF Coating |







The S19 Series features high-grade 6063-T5 thermal break aluminum profiles with a 2.0 mm wall thickness, integrated flyscreens, and premium double/triple tempered glazing options engineered for maximum energy efficiency, soundproofing, and durability.
All glass panels are supplied by Hong Kong Xinyi Glass (Stock Code: HK0868). Configurations include standard 5mm+27A+5mm double tempered units, as well as options for laminated, Low-E, reflective, and tinted glass combinations.
DERCHI casement systems utilize internationally recognized, high-durability hardware systems, primarily Germany's WEHAG and America's CMECH, ensuring smooth operation, anti-corrosion, and long-term security.
Yes, custom sizing is fully supported. Operating panels range within widths of 350-750 mm and heights of 400-1600 mm, with fixed sections up to 12 m². Surface finishes include Powder Coating, Anodized, Wooden Grain, and PVDF Coating in various colors.
The 6063-T5 thermal break structure separates the interior and exterior aluminum frames with an insulating barrier. Combined with multi-pane insulated glass systems, it significantly reduces heat transfer and condensation, exceeding Energy Star efficiency standards.