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 casement window 22. PVC casement windows combine classic operation with modern materials. The outward or inward opening design allows flexible ventilation, while the insulated PVC profile reduces heat loss and noise. With low maintenance requirements and strong durability, they are suitable for homes, apartments, and commercial projects. series: 60 series PVC opening style: casement with top arch 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 : Yes
KDSBUILDING supply factory direct sale upvc casement window 6. Featuring a practical side-hinged design, PVC casement windows provide full opening for effective ventilation. The PVC frame delivers excellent insulation and weather resistance, while multi-point locking systems enhance security. These windows are easy to clean, cost-effective, and suitable for modern residential 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 : With screen Grille design : no
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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