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

KDSBUILDING supply factory direct sale upvc casement window 34. PVC casement windows offer excellent ventilation and energy efficiency through their outward or inward opening design. The tight sealing system enhances thermal and acoustic insulation, while high-quality PVC profiles resist moisture, corrosion, and UV exposure. These windows are easy to operate, low maintenance, and ideal for residential and commercial buildings. series: 60 series PVC opening style:  casement 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