Factory direct Tilt-turn aluminum window nice modern design large window for bedroom
Product features and advantages
The exterior design of the box fan interior is flush
1 appearance: indoor flush appearance design, simple atmosphere, in line with high-level aesthetics
2 functions: anti-theft function, from the outdoor can not find the pry point to violently open doors and windows, increase security
3 performance: the outdoor side of the fan material is drained independently, improving the waterproof performance, and the rainwater flows directly out from the glass fan, which will not cause problems such as rainwater leakage
Performance | Parameter | National Standard |
Wind Load Resistance | 4.5<=p3>=5.0 | level 8 |
Air Tightness | 2.5<=q1<=2.0 | level 8 |
Water Tightness | 350<=△p>=700 | level 5 |
Thermal Insulation | 3.0>k>=2.5 | level 5 |
Sound Insulation | 35=<Rw+Ctr<40 | level 3 |
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