The glass of DERCHI doors and windows is manufactured by Hong Kong Xinyi Glass (stock code: HK0868), with strictly controlled production standards to ensure optimum safety and aesthetics. Choosing DERCHI means choosing a clear, secure, and comfortable living experience.
DERCHI doors and windows are engineered for optimum performance using state-of-the-art energy-saving technology, providing maximum energy efficiency across all climates. Featuring high-performance insulated glass systems, they consistently exceed Energy Star standards.










| 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 350-750mm / Height 400-1600mm Fixed Panel: Each 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 |







Our windows and doors feature premium glass manufactured by Hong Kong Xinyi Glass (HK0868). Standard units incorporate double tempered glass (5mm+27A+5mm), with custom options available for triple tempered, laminated, Low-E, reflective, and tinted glass.
The S19 Series utilizes heavy-duty 6063-T5 thermal break aluminum profiles with a robust 2.0 mm wall thickness, offering excellent structural rigidity, long service life, and high thermal insulation performance.
To guarantee smooth operation, air tightness, and enduring reliability, we integrate world-class hardware systems from German brand WEHAG and American brand CMECH.
We offer diverse architectural finishes including standard and custom powder coating, anodized finishes, realistic wooden grain transfers, and highly durable PVDF coatings tailored to various architectural aesthetics.
Yes, opening panels support widths between 350-750 mm and heights between 400-1600 mm, while fixed panels can be constructed up to 12 m² per unit to suit both residential and commercial requirements.
The combination of thermal break multi-chamber aluminum profiles, precision sealing, and high-performance insulated glass units exceeds Energy Star standards to significantly reduce heat gain and heat loss.