system window is a fully integrated window solution where the frame, glazing, hardware, and sealing components are all engineered to work together for optimal performance. Unlike traditional windows assembled from separate parts, system windows are precision-designed for superior energy efficiency, air and water tightness, sound insulation, and structural strength. Commonly made from materials like aluminum or uPVC, they offer modern aesthetics, reliable durability, and are often certified to meet international standards such as NFRC or CE. System windows are ideal for both residential and commercial buildings, ensuring consistent quality, easier installation, and long-term value.
Heavy lift and slide door with blind inside to keep safety and ensure privacy. Aluminum lift and sliding doors from Xiamen KDSBuilding are designed to combine elegant appearance with superior performance. The advanced lift-and-slide system allows large, heavy glass panels to move smoothly while ensuring tight sealing when closed. With thermal break aluminum profiles and customizable glazing options, the door provides excellent insulation, durability, and expansive outdoor views for modern buildings. series: 140 series thermal break opening style: Lift and Sliding Glass: 5mm+9A+5mm clear tempered glass Color: white Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor ≤ 0.3 SHGC ≤ 0.23