Frameless showers are designed to be sleek and minimal, without bulky frames or full seals to hold water in. Because of this, the slope of the shower floor is absolutely critical to ensure the shower functions properly and does not leak.
The floor inside the shower must be correctly angled towards the drain so that water flows away efficiently. If the slope is too flat, uneven, or incorrectly directed, water can pool or run outward—leading to leaks beyond the shower area.
Unlike framed showers, frameless systems rely on precision installation and proper drainage design rather than seals and barriers. Even a small issue with the slope can affect performance.