Adopt upvc or pvc frame for push up window to save building cost. Compared to fixed or awning windows, PVC double hung windows offer flexible ventilation and enhanced user convenience. Both sashes can tilt inward, allowing effortless cleaning from indoors. PVC profiles provide excellent resistance to moisture, UV rays, and temperature changes, preventing warping and discoloration. With strong insulation and soundproofing performance, these windows deliver lasting comfort while minimizing maintenance requirements. 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
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