PVC double hung windows combine traditional aesthetics with modern functionality, featuring two vertically sliding sashes that can move independently. Both the upper and lower sashes tilt inward, making cleaning easy and safe from inside the home. Constructed with durable, weather-resistant PVC frames, these windows offer excellent insulation, sound reduction, and energy efficiency. Their low-maintenance design resists warping, fading, and corrosion, making them ideal for all climates. With customizable colors, grid patterns, and glazing options, PVC double hung windows suit a wide range of architectural styles. They provide superior ventilation, user-friendly operation, and timeless appeal for residential or commercial spaces. series: 82 series PVC 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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