卷帘门、窗
（1）保温性能：可以大大节省用于制冷、制热的能量
（2）隔音性能：利用完全闭合、安装于玻璃窗外部的卷帘窗可以大大提高窗子的隔音效果。
（3）防晒、遮阳性能：卷帘窗可以将大部分阳光反射掉；其二，卷帘窗可以任意调整进入室内的阳光或光线
（4）耐气候性能：卷帘窗具有抗风、抗雨雪和防沙的能力
（5）防盗性能：卷帘窗也是美观的防护装置，完全关闭时卷帘窗可以防止玻璃窗被损坏，也能阻止小偷的侵入
UPVC Door and Window with shutters1. Insulation Performance: Good performance of insulation significantly saves for cooling and heating energy.
2. Soundproof performance: Roller shutters installed on external window can greatly improve the sound insulation, when completely closed.
3. Owning Performance: Sunlight can be mostly reflected by roller shutters, and interior sun,or light can be adjusted by the shutters.
4. Weather Resistance: Roller shutter window performs with resistance of wind, rain and snow, and sand.
5. Anti-theft Performance: Roller shutter are beautiful protective devices, it can prevent from glass damage, and instrusion of a theft, when completely closed.
