安全性是所有门类最基本的功能。大多卷闸门由于宽度比较大，都是采用弹子横杆锁。这种锁具简单方便，价格也便宜。但安全性一般。容易被破坏。不过室内有人居住。由于一般门动响比较大。也是可以选择这类锁具的。如果像仓库等无人看守的高价值房室。选择上面的锁具显然是不够的。所以应当选择高强度材料跟有防撬工艺的卷闸门。
Security is the most basic function of all categories. Because of the large width, most of the rolling gates adopt the spring crossbar lock. This kind of lock is simple, convenient and cheap. But the security is not so good. Vulnerable to damage. But there are people living inside. Because the door is usually noisy. You can also choose this kind of lock. If there are unattended high-value rooms like warehouses. It is obviously not enough to choose the upper lock. Therefore, it is necessary to select the rolling gate with high-strength material and anti prying technology.