This style of window is economic , and high quality. PVC casement windows provide a perfect balance of ventilation and insulation. The full-opening casement design supports fresh air circulation, while the PVC structure enhances thermal efficiency. These windows are easy to operate, simple to maintain, and suitable for a wide range of architectural styles. 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
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