Almost everyone has noticed the awkward gap beneath public restroom stall doors and wondered why it exists. It feels like a design flaw, a privacy issue, or maybe just a strange architectural choice—but the truth is far more intentional than most people realize, therefore
That small opening helps with cleaning, ventilation, emergency access, crowd flow, and even discourages misuse in shared spaces. What looks like an inconvenience is actually a carefully designed solution to several problems at once, and once you know the reason, you’ll never look at a restroom stall the same way again, but