PVC double hung windows combine traditional aesthetics with modern performance. Featuring two operable sashes that slide vertically, these windows provide flexible ventilation from the top, bottom, or both. Built from reinforced uPVC, they offer excellent energy efficiency, sound insulation, and weather resistance. Both sashes can tilt inward for easy cleaning and maintenance. With options for double or triple glazing, Low-E glass, and various color finishes, these windows are ideal for residential and light commercial applications. Their classic appearance, smooth operation, and low maintenance make them a practical and stylish choice for any building design. series: 82 series PVC Color: black opening style: Double Hung Glass: 3mm+12A+3mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor ≤ 0.3 SHGC ≤ 0.21 Visible Transmittance: 0.41 Air Leakage: 0.15
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