When you purchase upvc profile double hung  window 006, you purchase directly from the factory. PVC double hung windows feature two operable sashes that slide vertically, allowing flexible ventilation from the top or bottom. Compared with sliding or fixed windows, they provide better airflow control and easier cleaning, as both sashes tilt inward. PVC material offers excellent thermal insulation, long-term durability, and resistance to moisture, corrosion, and UV exposure, making maintenance minimal and ensuring stable performance in various climates. 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

KDSBUILDING supply factory direct sale upvc sliding window 017. Designed for modern architecture, PVC sliding windows offer a perfect balance of functionality and efficiency. The stable PVC frame ensures excellent thermal performance, while the sliding panels provide smooth, quiet operation. These windows are easy to clean, cost-effective, and suitable for a wide range of climate conditions. series: 60 series PVC opening style: Top sliding and bottom fixed Color: White Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

KDSBUILDING supply factory direct sale upvc casement window 11. PVC casement windows are engineered for comfort and durability. The casement structure ensures tight closure and excellent sealing, reducing heat loss and noise. The PVC frame is resistant to rust and decay, requiring minimal maintenance, and is ideal for homes, offices, and commercial buildings. series: 60 series PVC opening style:  casement Color: white Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23 Visible Transmittance :  0.41 Air tightness :  0.15 Nail Fin Design  :  NO Window Screen :  no Grille design : no

The white surface of upvc sliding window looks beautiful. PVC sliding windows are a smart choice for projects requiring space efficiency and durability. The sliding panels allow controlled ventilation, while the PVC profiles improve insulation and weather performance. Easy cleaning and low maintenance make them suitable for both residential and commercial use. series: 60 series PVC opening style:  sliding  Color: white Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23 Visible Transmittance :  0.41 Air tightness :  0.15 Nail Fin Design  :  NO Window Screen :  With removable screen Grille design : Yes

The function of pvc door window is good insulation,watertight,wind resistance and anti-thief. With reliable performance and classic design, PVC casement windows are a popular choice for residential projects. The hinged opening provides easy operation and ventilation, while insulated PVC profiles reduce heat transfer and noise. They are durable, cost-effective, and simple to maintain. series: 60 series PVC opening style:  casement and top fixed Color: white Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23 Visible Transmittance :  0.41 Air tightness :  0.15 Nail Fin Design  :  NO Window Screen :  no Grille design : no