Public restroom stall doors often appear unusually short, but the design is intentional. The gap at the bottom is meant to support hygiene, safety, and efficiency in spaces that serve large numbers of people every day. What might look like a cost-cutting measure is actually a practical solution to common challenges in shared restrooms.

One key reason for the gap is to make cleaning easier. Public restrooms experience constant use, and floors need to be cleaned frequently. Doors that do not reach the ground allow staff to mop and sanitize the area more quickly and thoroughly without entering each individual stall. This helps maintain a cleaner environment overall.

Safety is another important consideration. In the event of a medical issue or emergency, the space under the door allows others to notice if someone needs assistance. It also provides a way for help to reach a person without having to break a lock or damage a door. The design supports ventilation as well, helping air circulate more freely and reducing lingering odors.

The raised stall door also helps with simple visibility: people can easily see whether a stall is occupied, which keeps restroom lines moving smoothly in busy locations like malls, airports, and arenas. While some prefer full-length doors for added privacy, the design commonly used in public facilities remains popular because it offers a practical balance of cleanliness, safety, and convenience.