
Overall Window Performance(1) Flame Retardancy: Class B1(2) Energy Efficiency Coefficient: U-value ≤ 1.36-1.8 (W/m²·K)(3) Sound Insulation Performance: Class 6 (35-45 dB)(4) Air Tightness: Class 8 (q

Cavity structure: Multi-cavity with three-layer sealing
Width: 103mm
Frame thickness: 90.6mm
Profile wall thickness: 1.8mm
Glass thickness: 5+12A+5+12A+5
Profile colors: Cedar White, Teak, Weathered Grey, Light Walnut, Dark Walnut, Yellow Rosewood, Cherry
Flame retardancy: Class B1
Energy efficiency coefficient: U-value ≤ 1.36-1.8 (W/㎡·K)
Sound insulation performance: Class 6 (35-45 dB)
Air tightness: Class 8 [q1 ≤ 0.5 (m³/m·k)]
Water tightness: Class 6 (Pa)
Wind pressure resistance: ≥ Class 9 (kPa)
Customizable: Yes
Sash height: 61.1mm
