Using multi-chamber construction with 30mm weather strip for better thermal insulation; Adopting isobaric drainage and rain screen, ensuring the waterthightness and air-tightness of the aluminum window; Four-level sealing design is utilized, and sound insulation cotton can be optionally added to improve the thermal insulation performance; Configured with 5mm 27A 5mm hollow glass, featuring high energy efficiency and comfort; Adopting flush sash frames, flyscreen with corner protector, eliminating all safety hazards; Concealed drainage design ensures smooth drainage while maintaining a simple structure;
Performance Wind resistance | p3≥5.0 |
Airtightness | q1≤0.5 |
Watertightness | △p≥700 |
Sound insulation | 35≤Rw Ctr﹤40 |
Thermal insulation | 2.0>k≥1.6 |