PVC double hung windows offer a timeless aesthetic combined with advanced performance and functionality. Designed to suit both traditional and modern architecture, these windows feature two operable sashes that slide vertically, allowing for flexible ventilation from the top, bottom, or both. Engineered using premium uPVC profiles reinforced with galvanized steel, our double hung windows provide exceptional strength, durability, and resistance to warping, cracking, and corrosion. The multi-chambered frame enhances thermal insulation and energy efficiency, helping reduce heating and cooling costs in all climate zones. series: 82 series PVC Color: white 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
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