When you purchase upvc profile double hung  window 002-2, you purchase directly from the factory. PVC double hung windows combine classic appearance with modern performance. Unlike casement windows, they do not swing inward or outward, saving interior and exterior space. The dual movable sashes enhance air circulation and safety. Made from durable PVC, these windows resist rot, rust, and fading while providing excellent thermal and acoustic insulation. Their smooth surface allows easy cleaning and minimal maintenance throughout long-term use. 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

In America,double hung vinyl windows is popular for home and commercial buildings to save space. Offering superior ventilation control compared to single hung windows, PVC double hung windows allow both upper and lower sashes to operate independently. The tilt-in design simplifies glass cleaning and maintenance. PVC frames deliver outstanding durability, resisting moisture, insects, and extreme weather conditions. With excellent insulation performance, these windows improve energy efficiency while requiring far less upkeep than traditional wooden window systems. 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 32. Designed for superior performance, PVC casement windows open fully to maximize airflow and natural light. The multi-chamber PVC frame enhances thermal efficiency, while secure hardware ensures safety. Resistant to moisture, corrosion, and UV exposure, these windows maintain stable performance and appearance over time. series: 60 series PVC opening style:  casement and fixed  Color: wood grain 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 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